M190-730 MRC Engineering Handbook 2015 TCM 12-279709 PDF
M190-730 MRC Engineering Handbook 2015 TCM 12-279709 PDF
M190-730 MRC Engineering Handbook 2015 TCM 12-279709 PDF
MRC
Engineering
Handbook
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Introduction Engineering data Marathon series Made-to-order
specification tables
Introduction
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Section 1-Introduction 1
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MRC® history
The historical perspective corporated in 1909 as the U.S. Ball Bearing The manufacturing experience, technical
Manufacturing Company. Axel Strom became background, and managerial skills of these
of MRC
sole owner and changed the name to Strom antecedent companies provided Marlin Rock-
MRC is the outgrowth of three of America’s
Ball Bearing Manufacturing Company. The well with a firm base out of which to develop
oldest bearing companies—Standard Roller
company established itself as a major supplier and grow. In 1953, a new state-of-the-art
Bearing Company, Gurney Ball Bearing Com-
of precision ball bearings to the automotive plant was built at Falconer, New York, and an
pany, and Strom Bearing Company.
and machinery industries. A major innovation addition to the plant was completed in 1966.
The Standard Roller Bearing Company
by Strom was engineering service, provided The plant was devoted to the manufacture of
was formed when a Philadelphia industrialist,
to customers, “to aid in proper choice of ball high-precision ball and roller bearings.
S. S. Eveland, merged the Ball Bearing Com-
bearings, their use, and guidance for mount- In 1964, Marlin Rockwell Corporation
pany of Boston with seven other major ball
ing and maintenance.” was merged with TRW, Incorporated, and
bearing and ball-making equipment manu-
Prior to World War I, Albert F. Rockwell, renamed TRW Bearings Division in 1979.
facturers. The company used the SRB Dia-
one of two brothers who founded New De- With the technological background and facili-
mond trademark. SRB made many contribu-
parture Company, formed the Rockwell- ties of the parent company at its disposal,
tions to the advancement of anti-friction
Drake Corporation to manufacture ball bear- TRW Bearings Division entered a new period
bearings; most notably, the development of
ings in Plainville, Connecticut. During the war, of growth. A ball manufacturing plant was
52100 steel, a high carbon, high chrome alloy
Rockwell combined Rockwell-Drake Corpora- acquired in 1964 at Winstead, Connecticut.
steel that greatly improved bearing life.
tion with several other corporations including In 1976, the Division built a new facility at
In 1902, Frederick W. Gurney started the
the Standard Roller Bearing Company of Gainesville, Georgia, to specialize in high-
manufacture of ball bearing machinery in
Philadelphia. volume bearing production.
Jamestown, New York. He originated the
After World War I, some of the manufac- In 1986, the Bearing Division was acquired
Gurney “radial-thrust angular-contact”
turing units were liquidated and the company by the SKF Group, which is an international
bearing (today’s 7000 Series) in 1905, and
was reorganized as Standard Steel and manufacturing and marketing organization
the Gurney “radial-Type R” bearing (same
Bearing, Inc., Division of Marlin Rockwell composing approximately 200 companies
designation today) in 1909. Gurney also
Corporation. In 1923, the bearing manufac- with 85 factories, together operating in more
developed duplex bearings—a matched pair
turing plants were consolidated at Plainville, than 130 countries. SKF sales units are
of counterbored bearings—which were a
Connecticut. The following year, Gurney Ball backed up by nearly 200 sales offices and
major contribution to the accuracy of high
Bearing Company merged with Marlin Rock- over 10,000 distributors and retailers.
speed machine tool spindles.
well Corporation. MRC® purchased Strom Ball
Stephen Snyder began manufacturing
Bearing Manufacturing Corporation in 1925
filling slot radial ball bearings in a small
and its assets were moved to Jamestown,
Chicago shop in 1908. His business was in-
New York, in 1931.
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Disclaimer Warranty
The contents of this catalog are the copyright MRC warrants that products sold by it shall
of the publishers and may not be reproduced be free from defects in material and work-
(even extracts) unless permission is granted. manship. MRC’s obligation under this war-
Every care has been taken to insure the ac- ranty is expressly limited to furnishing without
curacy of the information contained in this additional charge a replacement, or at its
catalog but no liability can be accepted for any option, repairing or issuing credit for any
errors or omissions. product which shall within one year from the
Listing in this catalog does not necessarily date of sale be returned freight prepaid to the
imply product availability. Cage type speed plant designated by an MRC representative
adjustment factor footnotes does not mean and which upon inspection is determined by
that particular cage variants are available. MRC to be defective in materials or workman-
The designs and load ratings shown in ship. Complete information as to service,
this catalog are those being used at the time mounting and relubrication should accompany
of publication. The possibility exists that the any product returned for inspection. The
designs and ratings may be changed to reflect provisions of this warranty shall not apply to
product improvement or may be procured any MRC product which has been subjected
from a different company facility. To determine to misuse, improper mounting, assembly
current conditions, contact MRC Engineering. or lubrication; or which has been repaired or
altered if such repair or alteration in the
Interchange information judgement of MRC would adversely affect
Interchanges provided in this catalog can performance of the product.
provide a fast conversion of manufacturer This warranty is in lieu of all other warran-
numbers to MRC equivalents. Please note ties, expressed or implied, including any lim-
that interchanges are made on an application ited warranty of merchantability or fitness for
basis and may not be completely identical to a particular purpose and is also in lieu of all
MRC products. Basic interchanges indicate other obligations or liabilities on the part of
overall compatible design. The interchange MRC, including any obligation or liability arising
information was compiled using data available from contract, tort or otherwise for damages
at the time of publication; however, SKF USA and in no event shall seller be liable hereun-
Inc. and MRC assume no responsibility or der or otherwise for loss of profits; special,
liability for errors or omissions. Also, bearing incidental, or consequential damages of any
illustrations depict closure grooves; however, kind. There are no warranties, expressed or
actual bearings may or may not have closure implied, made by MRC, except the warranty
grooves. against defects in material and workmanship
set forth above. MRC and SKF USA Inc. nei-
ther assume nor authorize any other person
or firm to assume for it any other obligation
or liability in connection with its products.
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2 03 S ZZ
Metric angular contact bearings Example of marking on bearing box H501 = MRC internal suffix code
R07 R07 = Date code
7308 PJDU - H501
Bearing identification code Pressed brass/ABEC-3
Type
BB Pumpac Diamond
C Double-row, Conrad
M Double-row, maximum capacity
P 40° contact angle, counterbored outer
Series Series PJ 40° contact angle, counterbored inner
and outer
1900 Extremely light 7200 Angular contact, light R 15° contact angle, counterbored outer
100K Extra light 7300 Angular contact, medium SB Double-row, Conrad
200 Light 7400 Angular contact, heavy SBK Double-row, Conrad with closures
300 Medium 8000 Pumpac® U 29° contact angle, split ring
400 Heavy 9200 Angular contact, split ring, light UP 40° contact angle, split ring
5200 Double-row, light 9300 Angular contact, split ring, medium U2 Matched set of 7000DT /9000UDT Accessories
5300 Double-row, medium 97200 7200/9200 matched set, light 29° contact angle F One shield
5400 Double-row, heavy 97300 7300/9300 matched set, medium UP2 Matched set of 7000PDT /9000UPDT, FF Two shields
7100K Angular contact, 40° contact angle Z One seal
extra light ZZ Two seals
73 08 PJ DU
Bearing symbols
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Bearing symbols
BTK Double-row, integral shaft ball bearing, with seal and shield. BTK4800
BWF Double-row, integral shaft ball bearing, with two seals. BWF4800
CONV A Conveyor bearing, two seals, slotted for bracket mounting. CONV4A
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Bearing symbols
CTR Clutch release bearing, with housing and grease fitting. 209CTR
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Bearing symbols
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Bearing symbols
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Bearing symbols
FSF One felt seal and one shield, replaced by 87XXX. 203FSF
FSFG One felt seal and one shield with snap-ring on seal side. 203FSFG
FSG One felt seal with snap-ring on open side of bearing. 209FSG
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Bearing symbols
G Snap-ring. 208SG
One felt seal and one shield with snap-ring on shield side,
G FSF replaced by 487XXX.
G209FSF
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Bearing symbols
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Bearing symbols
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Bearing symbols
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Bearing symbols
O B Single-row, metric, high speed rotor bearing, less inner ring. 034B
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Bearing symbols
RAP M Airframe bearing, rod end type, with male threaded shank. RAP3M
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Bearing symbols
RDT Single-row, split inner ring bearing, 20° contact angle. 309RDT11/2
REPB N Airframe bearing, rod end type, with female threaded shank. REPB3N
REP F Airframe bearing, rod end type, with female threaded shank. REP4F7
REP H Airframe bearing, rod end type, with hollow shank. REP3H5
REP M Airframe bearing, rod end type, with male threaded shank. REP4M6
REP S Airframe bearing, rod end type, with solid shank. REP4S10
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Bearing symbols
2RS1 Self-aligning ball bearing with two synthetic rubber seals. 22102RS1
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Bearing symbols
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Bearing symbols
Felt seal replacement bearing with one seal and one shield
V with snap-ring on seal side.
487508V
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Bearing symbols
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Nomenclature
S-Single-row deep groove type F-Shield
M-Single-row filling notch type Z-Seal
R-15° angular contact type G-Snap-ring
WI-Wide inner ring filling notch type FS-Felt seal
SWI-Wide inner ring non-filling notch type X-Tapered bore
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Nomenclature
S-Single-row deep groove type F-Shield
M-Single-row filling notch type Z-Seal
R-15° angular contact type G-Snap-ring
WI-Wide inner ring filling notch type FS-Felt seal
SWI-Wide inner ring non-filling notch type X-Tapered bore
-FSFG G-RF
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Nomenclature
M-Filling notch type
C-Non-filling notch type
F-Shield
Z-Seal
G-Snap-ring
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204SZZ H501
A four digit manufacturing suffix is used by The standard MRC part number is sufficient
MRC internally to define bearing specifica- for specifying customer requirements for all
tions as well as to track such information as “stock” sizes. The use of a non-descriptive
plant-of-manufacture as product is distrib- manufacturing suffix permits minor changes
uted throughout the MRC warehousing net- to the design and manufacture of standard
work. This suffix is assigned sequentially product without a confusing nomenclature
within the MRC computer system and can change. The revised product may still be
only be cross-referenced internally by the tracked through distribution by the four digit
MRC Customer Service Representative. manufacturing suffix.
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Introduction Engineering data Marathon series Made-to-order
specification tables
Bearing
specification
tables
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2
Table of contents page
Bearing types summary chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Single-row deep groove, type S. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Single-row deep groove cartridge type SFFC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Single-row deep groove, type S hybrid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Single-row maximum capacity, filling notch, type M . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Self-aligning ball bearings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Double-row angular contact, 5000 series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Single-row 15° angular contact, type R. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
Single-row 15° angular contact, type XLS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120
Single-row 29° angular contact, 7000 series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127
Single-row 40° angular contact, 7000P series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
Single-row 40° angular contact, 7000PJ series. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153
PumPac 8000, 8000BB and 8000AAB series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 163
Single-row 29° angular contact, split ring, 9000U series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173
Single-row 40° angular contact, split ring, 9000UP series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177
Duplex 29° angular contact 97000U series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183
Duplex 40° angular contact 97000UP series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 186
Precision ABEC-5 and ABEC-7 bearings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193
Single-row 15° angular contact, type R . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 194
Single-row deep groove, type S, woodworking bearings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 202
Ball screw support bearings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 203
Specialty bearings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 205
Adapter type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206
Dynamometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 207
Electric motor quality/ABMA cross reference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 209
Felt seal replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 224
Mast guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 228
Wide inner ring. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 231
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Extremely high
Type “R” 15° Pressed 15°
Very high
angular contact steel
High
Moderate
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Description
Ordinarily supplied with loose internal clearance. Outer and inner races have full shoulders. Has equal load-carrying capacity in either
direction. Recommended for moderately heavy radial loads, thrust loads in either direction, or combination loads.
Ordinarily supplied with standard internal clearance. Has inch boundary dimensions. Outer and inner races have full shoulders.
Has equal load-carrying capacity in either direction. Recommended for moderately heavy radial loads, thrust loads in either direction,
or combination loads.
Ordinarily supplied with standard internal clearance. This type has a filling notch on one side of the inner and outer rings to insert a
maximum ball complement. Can carry heavy radial load or combined radial and thrust load where the radial load predominates.
Not recommended for pure thrust loads or combined loads where thrust load predominates.
Supplied with loose internal clearance for normal applications. Counterbored outer ring to assemble maximum ball complement.
Outer ring is heated in order to assemble. Can carry heavy radial load, moderate thrust load in one direction only, or combined loads
where thrust load is against the heavy shoulder on the outer ring.
C type ordinarily supplied with loose internal clearance. Has full shoulders and no filling notches. Has outwardly converging contact angles.
C type will support heavy radial loads, and equally heavy thrust load in either direction, or heavy combined radial and thrust loads.
M type ordinarily supplied with loose internal clearance. Has filling notches on one side only for inserting maximum ball complement.
Has outwardly converging contact angles. M type has heavy radial capacity. Also has moderate thrust capacity in one direction and can
take light thrust load in reversing direction.
Counterbored outer ring, non-separable type. Ordinarily available in single and paired variants. Paired variants typically supplied with line-
to-line internal clearance. Other degrees of internal clearance/preload may be necessary for special conditions. Two-piece pressed steel cage
for normal use or one-piece non-metallic or solid brass cage for high speed, high operating temperature, or severe vibration application.
High thrust load in one direction, combined radial and thrust load where thrust load predominates. Should not be used for radial loads only.
Similar in design to the 7000 series bearing. Thrust capacity is 1.18 to 1.4 times that of the 7000 series, varies with individual sizes.
Restricted to primarily thrust loads. Should not be used for radial loads only or combined radial and thrust loads where radial load
predominates.
Counterbored outer ring, non-separable type. Similar to the type R angular contact except that it has inch dimensions. It also has a
relatively light cross section for space constraints. Can carry heavy radial load, moderate thrust load in one direction only, or combined
loads where thrust load is against the heavy shoulder on the outer ring.
Designed with two-piece inner ring and one-piece outer ring and snap-ring. Differs from the 5000C and M types because of its
40° contact angle and split inner ring. Also has a machined brass cage and reduced axial clearance. Can carry very heavy thrust loads in
either direction or combined loads where the thrust load predominates.
Bearing assembly consists of a 40° and 15° bearing, ABEC-3 precision tolerances, reduced axial clearance, and machined brass cages.
Can carry high thrust load in one direction and light reversing thrust load in the opposite direction. The lower contact angle of the back
bearing helps prevent ball skidding during periods of no load.
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Description
Consists of two 15° bearings as opposed to one 40° and one 15°, ABEC-3 precision tolerances, reduced axial clearance, and machined brass
cages. Can carry predominantly radial load with intermittent thrust load in either direction. Very similar performance to the 7000R series,
except that it is a back-to-back paired arrangement.
Can carry very high thrust loads in one direction and light reversing thrust load in the opposite direction. The pair of 40° “A” bearings in tandem
provides very high thrust capacity in the primary direction, while the 15° “B” bearing handles any reversing thrust load.
Designed with solid one-piece outer ring and two-piece inner ring, maximum ball complement and one-piece machined brass cage. Can carry
greater thrust in either direction than the type S. May be used where there is substantial radial load providing there is always sufficient thrust
load present. Often paired with another angular contact ball bearing in an assembly.
Paired assembly of a 9000U and a 7000 angular contact bearing. Assembly comes with axial clearance as standard and provides the capacity
of a triplex set in the boundary dimensions of a pair. Very heavy thrust load capacity because of tandem assembly of 9000U and 7000 bearing
in one direction. 9000U supports reversing thrust load in the opposite direction.
Very similar to the 97000U2 series except that it has a 40° contact angle. Because of the higher contact angle, this assembly has the highest
thrust carrying capacity for its given boundary dimensions.
Series of corrosion resistant housings and bearings used in heavy wash down and contaminated environments such as food, car wash, gypsum,
etc. The unique double sealing arrangement makes Marathon units very effective at keeping out solid and liquid contamination. These units
incorporate an insert bearing based on the type S Conrad bearing so they can handle moderate radial loads and light thrust loads in either
direction. However, since they are set screwed to the shaft, the axial load carrying capacity is determined by the holding power of the set screws.
ABEC-7 tolerances for machine tool applications that require high speeds and precise running accuracies. Type DS are available in 15° and 25°
contact angles. These bearings are normally used in paired arrangements. They function very similarly to the type R and 7000 series bearings
except for the fact that they are much higher precision.
ABEC-7 tolerances for high speeds required by machine tool spindles. Very high radial stiffness because of its double-row roller design.
Very high radial load carrying capacity. Zero axial load carrying capacity because of the shoulderless outer ring which allows the bearing to
expand with shaft thermal growth.
ABEC-7 tolerances for high speed. Counterbored inner and outer ring construction. Very high axial stiffness because of the 60° contact angle
and larger quantity of small balls. Usually used in paired, triplex, or quad sets in order to provide adequate stiffness and capacity for the given
application conditions. Primarily designed for high thrust loads and very little radial load because of the 60° contact angle.
Type DT has a one-piece outer ring construction with a two-piece inner ring construction. Like the type J bearing, it has a 60° contact angle.
It is also a paired assembly. Its large quantity of small balls also provides high axial stiffness as with the type J bearings. The type DT bearing can
handle high thrust load in either direction and virtually zero radial load. It is usually paired with a radial type bearing in order to isolate it from
any radial loading.
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Series Page
30 Extra small 37
R Small inch size 38
1800S Thin section 39
1900S Extremely light 40
100S Narrow-type light 41
100KS Extra light 42
200S Light 43
300S Medium 44
400S Heavy 45
Cartridge type 46
Equivalent load and life 47
Life calculation examples 48
Hybrid bearings 49
100KS Extra light hybrid 52
200S Light hybrid 54
300S Medium hybrid 56
HNCR Hybrid 58
SRDG Stainless steel 60
HNCR Spherical roller bearing 62
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30 series
extra small size
B These single-row radial conrad-type bearings
ra
have 4 mm to 9 mm bores (approximately
5/32 in. to 3/8 in.), and are designed for very
ra
small shafts. They are suitable for high speed
fractional horsepower motors and small tur-
D d bines. MRC offers open, shielded, and sealed
types. Some sizes are available in stainless
F Z FF ZZ steel. The 30 series is supplied with ABMA CO
One shield One seal Two shields Two seals radial clearance unless otherwise specified.
Outside
diameter Width Fillet radius1) Basic radial load rating Speed rating2)
Single and
Bore Dynamic Static Open and shielded double sealed
MRC d D B ra ZD2 C3) C0 Grease Oil Grease
bearing
number mm in. mm in. mm in. mm in. mm in. N lbf N lbf rpm rpm rpm
34 4 .1575 16 .6299 5 .1969 .30 .012 45 .07 1 470 330 600 135 43 000 50 000 30 000
35 5 .1969 19 .7480 6 .2362 .30 .012 96 .15 2 210 497 950 214 36 000 43 000 26 000
36 6 .2362 19 .7480 6 .2362 .30 .012 96 .15 2 210 497 950 214 36 000 43 000 26 000
37 7 .2756 22 .8661 7 .2756 .30 .012 110 .17 3 250 731 1 360 306 36 000 43 000 23 000
38 8 .3150 22 .8661 7 .2756 .30 .012 110 .17 3 250 731 1 360 306 36 000 43 000 23 000
39 9 .3543 26 1.0236 8 .3150 .64 .025 161 .25 4 620 1 040 1 960 441 28 000 34 000 20 000
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) Listed values are for pressed steel or polyamide cage, ABEC-1.
For phenolic composition cage, multiply by 1.66 for grease and 2.00 for oil. For machined bronze cage, multiply by 1.25 for grease and 1.50 for oil. For phenolic composition cage, ABEC-5 or 7,
multiply by 2.30 for grease and 2.80 for oil. The speed rating adjustment factors have been determined through historical application and practice.
For a more complete explanation, see page 272.
3) Rating for one million revolutions or 500 hours at 331/3 rpm.
37
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R series
small inch size
B R series bearings are single-row radial
ra
conrad-type bearings that are available in
ra inch sizes for shafts from 1/8 in. to 11/2 in.
diameter. Open, shielded, and sealed types
are available, and many sizes are available in
D d
stainless steel. The R series is supplied with
ABMA CO radial clearance unless otherwise
F Z FF ZZ specified.
One shield One seal Two shields Two seals
Outside
Bore diameter Width Fillet radius1) Basic radial load rating Speed rating2)
Single and
double
Dynamic Static Open and shielded sealed
Shielded
MRC d D B or sealed ra ZD2 C3) C0 Grease Oil Grease
bearing
number mm in. mm in. mm in. mm in. mm in. mm in. N lbf N lbf rpm rpm rpm
R2 3.2 .1250 9.5 .3750 4.0 .1562 4.0 .1562 .30 .012 19 .03 312 70 120 27 75 000 91 000 52 000
R2A 3.2 .1250 12.7 .5000 4.4 .1719 4.4 .1719 .30 .012 19 .03 312 70 120 27 75 000 91 000 52 000
R3 4.8 .1875 12.7 .5000 4.0 .1562 5.0 .1960 .30 .012 39 .06 956 215 490 110 57 000 69 000 40 000
R4 6.4 .2500 15.9 .6250 5.0 .1960 5.0 .1960 .30 .012 45 .07 1 480 332 620 139 44 000 54 000 31 000
R4A 6.4 .2500 19.1 .7500 5.6 .2188 7.1 .2812 .41 .016 71 .11 2 810 632 1 160 261 39 000 48 000 27 000
R6 9.5 .3750 22.2 .8750 5.6 .2188 7.1 .2812 .41 .016 110 .17 3 320 746 1 340 301 31 000 38 000 21 000
R8 12.7 .5000 28.6 1.1250 6.4 .2500 7.9 .3125 .41 .016 181 .28 5 070 1 140 2 400 540 24 000 29 000 16 000
R10 15.9 .6250 34.9 1.3750 7.1 .2812 8.7 .3438 .79 .031 226 .35 6 050 1 360 3 250 731 18 000 22 000 13 000
R12 19.1 .7500 41.3 1.6250 7.9 .3125 11.1 .4375 .79 .031 361 .56 9 360 2 100 5 100 1 150 16 000 19 000 11 000
R14 22.2 .8750 47.6 1.8750 9.5 .3750 12.7 .5000 .79 .031 406 .63 10 100 2 270 5 850 1 320 14 000 17 000 9 600
R16 25.4 1.0000 50.8 2.0000 9.5 .3750 12.7 .5000 .79 .031 406 .63 10 100 2 270 6 000 1 350 13 000 16 000 9 000
R18 28.6 1.1250 54.0 2.1250 9.5 .3750 12.7 .5000 .79 .031 510 .79 12 500 2 810 7 500 1 690 11 000 14 000 7 900
R20 31.8 1.2500 57.2 2.2500 9.5 .3750 12.7 .5000 .79 .031 613 .95 14 000 3 150 9 300 2 090 11 000 13 000 7 500
R24 38.1 1.5000 66.7 2.6250 11.1 .4375 14.3 .5625 .79 .031 755 1.17 16 800 3 780 11 800 2 650 9 000 11 000 6 200
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) Listed values are for pressed steel or polyamide cage, ABEC-1.
For phenolic composition cage, multiply by 1.66 for grease and 2.00 for oil. For machined bronze cage, multiply by 1.25 for grease and 1.50 for oil.
For phenolic composition cage, ABEC-5 or 7, multiply by 2.30 for grease and 2.80 for oil. The speed rating adjustment factors have been determined through historical application and practice.
For a more complete explanation, see page 272.
3) Rating for one million revolutions or 500 hours at 331/3 rpm.
38
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1800S
thin section series
Outside
Bore diameter Width Fillet radius1) Basic radial load rating Speed rating2)
Single and
Dynamic Static Open and shielded double sealed
MRC d D B ra ZD2 C3) C0 Grease Oil Grease
bearing
number mm in. mm in. mm in. mm in. mm in. N lbf N lbf rpm rpm rpm
1800S 10 .3937 19 .7480 5 .1969 .30 .012 62 .10 1 820 410 930 209 36 000 43 000 20 000
1801S 12 .4724 21 .8268 5 .1969 .30 .012 68 .11 1 900 427 1 040 234 32 000 38 000 19 000
1802S 15 .5906 24 .9449 5 .1969 .30 .012 80 .12 2 080 468 1 250 281 28 000 34 000 17 000
1803S 17 .6693 26 1.0236 5 .1969 .30 .012 91 .14 2 250 505 1 460 328 24 000 30 000 16 000
1804S 20 .7874 32 1.2598 7 .2756 .30 .012 141 .22 3 510 790 2 240 504 19 000 24 000 13 000
1805S 25 .9843 37 1.4567 7 .2756 .30 .012 184 .28 4 360 980 2 900 652 17 000 20 000 11 000
1806S 30 1.1811 42 1.6535 7 .2756 .30 .012 208 .32 4 490 1 010 3 400 764 15 000 18 000 9 500
1807S 35 1.3780 47 1.8504 7 .2756 .30 .012 233 .36 4 750 1 070 3 800 854 13 000 16 000 8 000
1808S 40 1.5748 52 2.0472 7 .2756 .30 .012 257 .40 4 940 1 110 4 150 933 11 000 14 000 7 500
1809S 45 1.7717 58 2.2835 7 .2756 .30 .012 315 .49 6 050 1 360 5 100 1 150 9 500 12 000 6 700
1810S 50 1.9685 65 2.5591 7 .2756 .30 .012 347 .54 6 240 1 400 5 500 1 240 9 000 11 000 6 000
1811S 55 2.1654 72 2.8346 9 .3543 .30 .012 454 .70 8 320 1 870 7 350 1 650 8 500 10 000 5 180
1812S 60 2.3622 78 3.0709 10 .3937 .30 .012 499 .77 8 710 1 960 8 000 1 800 7 500 9 000 4 800
1813S 65 2.5591 85 3.3465 10 .3937 .60 .025 679 1.05 11 700 2 630 11 000 2 470 7 000 8 500 4 500
1814S 70 2.7559 90 3.5433 10 .3937 .60 .025 741 1.15 12 100 2 720 11 800 2 650 6 700 8 000 4 300
1815S 75 2.9528 95 3.7402 10 .3937 .60 .025 803 1.24 12 500 2 810 12 900 2 900 6 300 7 500 4 000
1816S 80 3.1496 100 3.9370 10 .3937 .60 .025 864 1.32 13 000 2 920 13 700 3 080 6 000 7 000 3 600
1817S 85 3.3465 110 4.3307 13 .5118 1.0 .040 1 230 1.90 19 500 4 380 19 600 4 410 5 300 6 300 3 400
1818S 90 3.5433 115 4.5276 13 .5118 1.0 .040 1 280 1.98 19 500 4 380 20 400 4 590 5 300 6 300 3 200
1819S 95 3.7402 120 4.7244 13 .5118 1.0 .040 1 330 2.06 19 900 4 470 21 200 4 770 5 000 6 000 3 000
1820S 100 3.9370 125 4.9213 13 .5118 1.0 .040 1 380 2.14 20 300 4 560 22 000 4 950 4 800 5 600 3 000
1821S 105 4.1339 130 5.1181 13 .5118 1.0 .040 1 480 2.29 20 800 4 680 23 600 5 310 4 500 5 300 2 800
1822S 110 4.3307 140 5.5118 16 .6299 1.0 .040 1 910 2.95 28 100 6 320 30 500 6 860 4 300 5 000 2 600
1824S4) 120 4.7244 150 5.9055 16 .6299 1.0 .040 2 060 3.19 29 100 6 540 32 500 7 310 3 800 4 500 2 400
1826S4) 130 5.1181 165 6.4961 18 .7087 1.0 .040 2 660 4.13 37 700 8 480 43 000 9 670 3 600 4 300 2 200
1828S4) 140 5.5118 175 6.8898 18 .7087 1.0 .040 2 870 4.46 39 000 8 770 46 500 10 500 3 400 4 000 2 000
1830S4) 150 5.9055 190 7.4803 20 .7874 1.0 .040 3 540 5.49 48 800 11 000 57 000 12 800 3 000 3 600 –—
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) Listed values are for pressed steel cage for 1800S through 1830S. All others for outer land guided machined bronze.
The values have been determined through historical application and practice. For a more complete explanation, see page 272.
3) Rating for one million revolutions or 500 hours at 331/3 rpm.
4) Typically non-stocked sizes, please check availability before designing into equipment.
39
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1900S
extremely light series
B 1900S series bearings are single-row radial
ra
conrad-type bearings that can accommodate
ra light radial loads, two-directional thrust loads,
or a combination of both. They are designed
for applications where a lack of space or limi-
D d tations on weight require a bearing with a
thinner section than 100KS series bearings.
Some sizes are available with shields or seals.
SZ SZZ SFP SFFP
One seal Two seals One shield Two shields
Outside
Bore diameter Width Fillet radius1) Basic radial load rating Speed rating2)
Single and
Dynamic Static Open and shielded double sealed
MRC d D B ra ZD2 C3) C0 Grease Oil Grease
bearing
number mm in. mm in. mm in. mm in. mm in. N lbf N lbf rpm rpm rpm
1900S 10 .3937 22 .8661 6 .2362 .30 .012 840 .13 2 510 565 1 120 252 34 000 40 000 19 000
1901S 12 .4724 24 .9449 6 .2362 .30 .012 103 .16 2 910 655 1 500 337 30 000 36 000 18 000
1902S 15 .5906 28 1.1024 7 .2756 .30 .012 142 .22 4 030 906 2 040 459 24 000 30 000 16 000
1903S 17 .6693 30 1.1811 7 .2756 .30 .012 155 .24 4 360 980 2 320 522 22 000 28 000 14 000
1904S 20 .7874 37 1.4567 9 .3543 .30 .012 252 .39 6 370 1 430 3 650 821 18 000 22 000 12 000
1905S 25 .9843 42 1.6535 9 .3543 .30 .012 271 .42 6 630 1 490 4 150 933 16 000 19 000 10 000
1906S 30 1.1811 47 1.8504 9 .3543 .30 .012 317 .49 7 280 1 640 5 000 1 120 14 000 17 000 8 500
1907S 35 1.3780 55 2.1654 10 .3937 .64 .025 432 .67 9 560 2 150 6 800 1 530 11 000 14 000 7 500
1908S 40 1.5748 62 2.4409 12 .4724 .64 .025 637 .99 13 800 3 100 10 000 2 250 10 000 13 000 6 700
1909S 45 1.7717 68 2.6772 12 .4724 .64 .025 683 1.06 14 000 3 150 10 800 2 430 9 000 11 000 6 000
1910S 50 1.9685 72 2.8346 12 .4724 .64 .025 728 1.13 14 600 3 280 11 800 2 650 8 500 10 000 5 600
1911S 55 2.1654 80 3.1496 13 .5118 1.00 .040 864 1.34 16 500 3 710 14 000 3 150 8 000 9 500 5 000
1912S 60 2.3622 85 3.3465 13 .5118 1.00 .040 864 1.34 16 500 3 710 14 300 3 210 7 500 9 000 4 500
1913S 65 2.5591 90 3.5433 13 .5118 1.00 .040 968 1.50 17 400 3 910 16 000 3 600 6 700 8 000 4 300
1914S 70 2.7559 100 3.9370 16 .6299 1.00 .040 1 300 2.01 23 800 5 350 21 200 4 770 6 300 7 500 4 000
1915S 75 2.9528 105 4.1339 16 .6299 1.00 .040 1 370 2.13 24 200 5 440 22 400 5 040 6 000 7 000 3 600
1916S 80 3.1496 110 4.3307 16 .6299 1.00 .040 1 450 2.25 25 100 5 640 24 000 5 400 5 600 6 700 3 400
1917S 85 3.3465 120 4.7244 18 .7087 1.00 .040 1 810 2.81 31 900 7 170 30 000 6 740 5 300 6 300 3 200
1918S 90 3.5433 125 4.9213 18 .7087 1.00 .040 1 920 2.97 32 500 7 310 31 500 7 080 5 000 6 000 3 100
1919S 95 3.7402 130 5.1181 18 .7087 1.00 .040 2 025 3.14 33 800 7 600 33 500 7 530 4 800 5 600 2 900
1920S 100 3.9370 140 5.5118 20 .7874 1.00 .040 2 550 3.96 42 300 9 510 41 500 9 330 4 500 5 300 2 700
1921S 105 4.1339 145 5.7087 20 .7874 1.00 .040 2 770 4.18 44 200 9 940 44 000 9 890 4 300 5 000 2 600
1922S 110 4.3307 150 5.9055 20 .7874 1.00 .040 2 770 4.18 43 600 9 800 44 000 9 890 4 000 4 800 2 500
1924S 120 4.7244 165 6.4961 22 .8661 1.00 .040 3 460 5.36 55 300 12 400 57 000 12 800 3 600 4 300 2 300
1926S4) 130 5.1181 180 7.0866 24 .9449 1.50 .060 4 100 6.35 65 000 14 600 67 000 15 100 3 400 4 000 2 100
1928S4) 140 5.5118 190 7.4803 24 .9449 1.50 .060 4 320 6.70 66 300 14 900 71 000 16 000 3 200 3 800 2 000
1930S4) 150 5.9055 210 8.2677 28 1.1024 2.00 .080 5 670 8.78 88 400 19 900 93 000 20 900 2 800 3 400 1 800
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) Listed values are for pressed steel or polyamide cage, ABEC-1.
For phenolic composition cage, multiply by 1.66 for grease and 2.00 for oil. For machined bronze cage, multiply by 1.25 for grease and 1.50 for oil. For phenolic composition cage, ABEC-5 or 7,
multiply by 2.30 for grease and 2.80 for oil. The speed rating adjustment factors have been determined through historical application and practice. For a more complete explanation, see page 272.
3) Rating for one million revolutions or 500 hours at 331/3 rpm.
4) Typically non-stocked sizes, please check availability before designing into equipment.
40
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100S
narrow-type light series
Outside
Bore diameter Width Fillet radius1) Basic radial load rating Speed rating2)
102S 10 .3937 32 1.2598 9 .3543 .51 .02 181 .28 5 200 1 170 2 450 551 24 000 29 000
103S 15 .5906 37 1.4567 9 .3543 .51 .02 284 .44 7 800 1 750 3 550 798 21 000 26 000
104S 20 .7874 42 1.6535 9 .3543 .51 .02 361 .56 9 360 2 100 5 100 1 150 17 000 21 000
105S 25 .9843 52 2.0472 9 .3543 1.00 .04 458 .71 12 100 2 710 6 700 1 510 14 000 17 000
106S 30 1.1811 62 2.4409 10 .3937 1.00 .04 632 .98 15 600 3 500 9 300 2 090 11 000 14 000
107S 35 1.3780 70 2.7559 10 .3937 1.00 .04 755 1.17 16 800 3 780 11 600 2 610 10 000 12 000
108S 40 1.5748 80 3.1496 11 .4331 1.00 .04 819 1.27 18 200 4 100 12 900 2 900 9 000 11 000
109S 45 1.7717 85 3.3465 11 .4331 1.00 .04 1 010 1.56 19 800 4 450 16 300 3 670 8 000 9 700
110S 50 1.9685 90 3.5433 11 .4331 1.00 .04 1 010 1.56 19 900 4 470 16 600 3 730 7 400 9 000
111S 55 2.1654 100 3.9370 12 .4724 1.00 .04 1 220 1.89 23 400 5 260 20 000 4 500 6 800 8 300
112S 60 2.3622 105 4.1339 12 .4724 1.00 .04 1 450 2.25 27 000 6 080 23 600 5 300 6 100 7 400
113S 65 2.5591 115 4.5276 14 .5512 1.00 .04 1 450 2.25 27 000 6 080 23 600 5 300 6 100 7 400
114S 70 2.7559 120 4.7244 14 .5512 1.00 .04 1 700 2.64 31 200 7 010 28 000 6 300 5 400 6 600
115S 75 2.9528 130 5.1181 16 .6299 1.50 .06 2 260 3.50 42 300 9 520 36 000 8 090 5 100 6 200
116S 80 3.1496 135 5.3150 16 .6299 1.50 .06 2 420 3.75 44 200 9 940 39 000 8 770 4 800 5 900
117S 85 3.3465 145 5.7087 18 .7087 1.50 .06 2 850 4.42 52 700 11 800 45 500 10 200 4 500 5 500
118S 90 3.5433 150 5.9055 18 .7087 1.50 .06 2 850 4.42 52 700 11 800 46 500 10 500 4 300 5 200
119S 95 3.7402 160 6.2992 20 .7874 1.50 .06 3 530 5.47 63 700 14 300 57 000 12 800 4 000 4 900
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) Listed values are for pressed steel or polyamide cage, ABEC-1.
For phenolic composition cage, multiply by 1.66 for grease and 2.00 for oil. For machined bronze cage, multiply by 1.25 for grease and 1.50 for oil.
For phenolic composition cage, ABEC-5 or 7, multiply by 2.30 for grease and 2.80 for oil. The speed rating adjustment factors have been determined through historical application and practice.
For a more complete explanation, see page 272.
3) Rating for one million revolutions or 500 hours at 331/3 rpm.
41
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Outside
Bore diameter Width Fillet radius1) Basic radial load rating Speed rating2)
Single and
Dynamic Static Open and shielded double sealed
MRC d D B ra ZD2 C3) C0 Grease Oil Grease
bearing
number mm in. mm in. mm in. mm in. mm in. N lbf N lbf rpm rpm rpm
100KS 10 .3937 26 1.0236 8 .3150 .30 .012 181 .28 4 620 1 040 1 960 440 30 000 36 000 19 000
101KS 12 .4724 28 1.1024 8 .3150 .30 .012 181 .28 5 070 1 140 2 360 530 26 000 32 000 17 000
102KS 15 .5906 32 1.2598 9 .3543 .30 .012 206 .32 5 590 1 260 2 850 640 22 000 28 000 14 000
103KS 17 .6693 35 1.3780 10 .3937 .30 .012 226 .35 6 050 1 360 3 250 730 19 000 24 000 13 000
104KS 20 .7874 42 1.6535 12 .4724 .64 .025 361 .56 9 360 2 100 5 000 1 120 17 000 20 000 11 000
105KS 25 .9843 47 1.8504 12 .4724 .64 .025 458 .71 11 200 2 520 6 550 1 470 15 000 18 000 9 500
106KS 30 1.1811 55 2.1654 13 .5118 1.00 .040 561 .87 13 300 2 990 8 300 1 870 12 000 15 000 8 000
107KS 35 1.3780 62 2.4409 14 .5512 1.00 .040 691 1.07 15 800 3 570 10 200 2 290 10 000 13 000 7 000
108KS 40 1.5748 68 2.6772 15 .5906 1.00 .040 909 1.41 20 800 4 680 11 600 2 610 9 500 12 000 6 300
109KS 45 1.7717 75 2.9528 16 .6299 1.00 .040 1 090 1.69 23 400 5 270 16 600 3 730 9 000 11 000 5 600
110KS 50 1.9685 80 3.1496 16 .6299 1.00 .040 1 180 1.83 24 700 5 560 18 000 4 050 8 500 10 000 5 000
111KS 55 2.1654 90 3.5433 18 .7087 1.00 .040 1 390 2.16 28 100 6 320 21 600 4 880 7 500 9 000 4 500
112KS 60 2.3622 95 3.7402 18 .7087 1.00 .040 1 610 2.49 32 500 7 310 25 000 5 620 6 700 8 000 4 300
113KS 65 2.5591 100 3.9370 18 .7087 1.00 .040 1 730 2.68 33 800 7 600 27 000 6 070 6 300 7 500 4 000
114KS 70 2.7559 110 4.3307 20 .7874 1.00 .040 2 100 3.25 41 000 9 220 32 500 7 310 6 000 7 000 3 600
115KS 75 2.9528 115 4.5276 20 .7874 1.00 .040 2 260 3.50 42 300 9 510 35 500 7 970 5 600 6 700 3 400
116KS 80 3.1496 125 4.9213 22 .8661 1.00 .040 2 650 4.11 50 700 11 400 41 500 9 330 5 300 6 300 3 200
117KS 85 3.3465 130 5.1181 22 .8661 1.00 .040 2 860 4.43 52 700 11 800 45 000 10 100 5 000 6 000 3 000
118KS 90 3.5433 140 5.5118 24 .9449 1.50 .060 3 280 5.08 61 800 13 900 51 000 11 500 4 800 5 600 2 800
119KS 95 3.7402 145 5.7087 24 .9449 1.50 .060 3 530 5.47 63 700 14 300 54 000 12 100 4 500 5 300 2 800
120KS 100 3.9370 150 5.9055 24 .9449 1.50 .060 3 530 5.47 63 700 14 300 54 000 12 100 4 300 5 000 2 600
121KS 105 4.1339 160 6.2992 26 1.0236 2.00 .080 4 330 6.72 79 300 17 800 65 500 14 700 4 000 4 800 2 400
122KS 110 4.3307 170 6.6929 28 1.1024 2.00 .080 4 660 7.23 81 800 18 400 73 500 16 500 3 800 4 500 2 400
124KS 120 4.7244 180 7.0866 28 1.1024 2.00 .080 5 000 7.75 85 200 19 100 80 000 18 000 3 400 4 000 2 200
126KS 130 5.1181 200 7.8740 33 1.2992 2.00 .080 5 960 9.24 106 000 23 800 100 000 22 500 3 200 3 800 2 000
128KS4) 140 5.5118 210 8.2677 33 1.2992 2.00 .080 6 900 10.70 111 000 25 000 108 000 24 300 3 000 3 600 1 800
130KS4) 150 5.9055 225 8.8583 35 1.3780 2.00 .080 8 385 13.00 125 000 28 100 125 000 28 100 2 600 3 200 1 700
132KS4) 160 6.2992 240 9.4488 38 1.4961 2.00 .080 9 030 14.00 143 000 32 100 143 000 32 100 2 400 3 000 1 600
134KS4) 170 6.6929 260 10.2362 42 1.6535 2.00 .080 11 800 18.30 168 000 37 800 173 000 38 900 2 200 2 800 1 500
136KS4) 180 7.0866 280 11.0236 46 1.8110 2.00 .080 11 400 17.70 190 000 42 700 200 000 45 000 2 000 2 600 1 400
138KS4) 190 7.4803 290 11.4173 46 1.8110 2.00 .080 13 400 20.80 195 000 43 800 216 000 48 600 2 000 2 600 1 400
140KS4) 200 7.8740 310 12.2047 51 2.0079 2.00 .080 15 900 24.60 216 000 48 600 245 000 55 100 1 900 2 400 1 300
144KS4) 220 8.6614 340 13.3868 56 2.2047 2.50 .100 18 600 28.90 247 000 55 500 290 000 65 200 1 800 2 200 1 100
148KS4) 240 9.4488 360 14.1732 56 2.2047 2.50 .100 19 500 30.20 255 000 57 300 315 000 70 800 1 700 2 000 1 000
152KS4) 260 10.2362 400 15.7480 65 2.5591 3.00 .120 23 900 37.00 291 000 65 400 375 000 84 300 1 500 1 800 940
156KS4) 280 11.0236 420 16.5354 65 2.5591 3.00 .120 25 700 39.90 302 000 67 900 405 000 91 000 1 400 1 700 890
160KS4) 300 11.8110 460 18.1102 74 2.9134 3.00 .120 31 700 49.20 358 000 80 500 500 000 112 000 1 200 1 500 780
164KS4) 320 12.5984 480 18.8976 74 2.9134 3.00 .120 34 000 52.70 371 000 83 400 540 000 121 000 1 100 1 400 730
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) Listed values are for pressed steel or polyamide cage, ABEC-1.
For phenolic composition cage, multiply by 1.66 for grease and 2.00 for oil. For machined bronze cage, multiply by 1.25 for grease and 1.50 for oil.
For phenolic composition cage, ABEC-5 or 7, multiply by 2.30 for grease and 2.80 for oil. The speed rating adjustment factors have been determined through historical application and practice.
For a more complete explanation, see page 272.
3) Rating for one million revolutions or 500 hours at 331/3 rpm.
4) Typically non-stocked sizes, please check availability before designing into equipment.
42
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Outside
Bore diameter Width Fillet radius1) Basic radial load rating Speed rating2)
Single and
Dynamic Static Open and shielded double sealed
MRC d D B ra ZD2 C3) C0 Grease Oil Grease
bearing
number mm in. mm in. mm in. mm in. mm in. N lbf N lbf rpm rpm rpm
200S 10 .3937 30 1.1811 9 .3543 .64 .025 181 .28 5 070 1 140 2 360 531 24 000 30 000 17 000
201S 12 .4724 32 1.2598 10 .3937 .64 .025 252 .39 6 890 1 550 3 100 697 22 000 28 000 15 000
202S 15 .5906 35 1.3780 11 .4331 .64 .025 290 .45 7 800 1 750 3 250 843 19 000 24 000 13 000
203S 17 .6693 40 1.5748 12 .4724 .64 .025 361 .56 9 560 2 150 4 750 1 070 17 000 20 000 12 000
204S 20 .7874 47 1.8504 14 .5512 1.00 .040 503 .78 12 700 2 860 6 550 1 470 15 000 18 000 10 000
205S 25 .9843 52 2.0472 15 .5906 1.00 .040 568 .88 14 000 3 150 7 800 1 750 12 000 15 000 8 500
206S 30 1.1811 62 2.4409 16 .6299 1.00 .040 819 1.27 19 500 4 380 11 200 2 520 10 000 13 000 7 500
207S 35 1.3780 72 2.8346 17 .6693 1.00 .040 1 110 1.72 25 500 5 730 15 300 3 440 9 000 11 000 6 300
208S 40 1.5748 80 3.1496 18 .7087 1.00 .040 1 360 2.11 30 700 6 900 19 000 4 270 8 500 10 000 5 600
209S 45 1.7717 85 3.3465 19 .7480 1.00 .040 1 510 2.35 33 200 7 460 21 600 4 860 7 500 9 000 5 000
210S 50 1.9685 90 3.5433 20 .7874 1.00 .040 1 610 2.50 35 100 7 890 23 200 5 220 7 000 8 500 4 800
211S 55 2.1654 100 3.9370 21 .8268 1.50 .060 2 040 3.16 43 600 9 800 29 000 6 520 6 300 7 500 4 300
212S 60 2.3622 110 4.3307 22 .8661 1.50 .060 2 280 3.53 47 500 10 700 32 500 7 310 6 000 7 000 4 000
213S 65 2.5591 120 4.7244 23 .9055 1.50 .060 2 770 4.30 55 900 12 600 40 500 9 110 5 300 6 300 3 600
214S 70 2.7559 125 4.9213 24 .9449 1.50 .060 3 060 5.18 60 500 13 600 45 000 10 100 5 000 6 000 3 400
215S 75 2.9528 130 5.1181 25 .9843 1.50 .060 3 350 5.20 66 300 14 900 49 000 11 000 4 800 5 600 3 200
216S 80 3.1496 140 5.5118 26 1.0236 2.00 .080 3 630 5.63 72 800 16 400 53 000 11 900 4 500 5 300 3 000
217S 85 3.3465 150 5.9055 28 1.1024 2.00 .080 4 260 6.60 83 200 18 700 64 000 14 400 4 300 5 000 2 800
218S 90 3.5433 160 6.2992 30 1.1811 2.00 .080 5 050 7.83 95 600 21 500 73 500 16 500 3 800 4 500 2 600
219S 95 3.7402 170 6.6929 32 1.2598 2.00 .080 5 670 8.79 108 000 24 300 81 500 18 300 3 600 4 300 2 400
220S 100 3.9370 180 7.0866 34 1.3386 2.00 .080 6 450 10.00 124 000 27 900 93 000 20 900 3 400 4 000 2 400
221S 105 4.1339 190 7.4803 36 1.4173 2.00 .080 7 280 11.30 133 000 29 900 104 000 23 400 3 200 3 800 2 200
222S 110 4.3307 200 7.8740 38 1.4961 2.00 .080 8 190 12.70 143 000 32 100 118 000 26 500 3 000 3 600 2 000
224S 120 4.7244 215 8.4646 40 1.5748 2.00 .080 8 970 13.90 146 000 32 800 118 000 26 500 2 800 3 400 1 900
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) Listed values are for pressed steel or polyamide cage, ABEC-1.
For phenolic composition cage, multiply by 1.66 for grease and 2.00 for oil. For machined bronze cage, multiply by 1.25 for grease and 1.50 for oil.
For phenolic composition cage, ABEC-5 or 7, multiply by 2.30 for grease and 2.80 for oil. The speed rating adjustment factors have been determined through historical application and practice.
For a more complete explanation, see page 272.
3) Rating for one million revolutions or 500 hours at 331/3 rpm.
43
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Outside
Bore diameter Width Fillet radius1) Basic radial load rating Speed rating2)
Single and
Dynamic Static Open and shielded double sealed
MRC d D B ra ZD2 C3) C0 Grease Oil Grease
bearing
number mm in. mm in. mm in. mm in. mm in. N lbf N lbf rpm rpm rpm
300S 10 .3937 35 1.3780 11 .4331 .64 .025 303 .47 8 060 1 810 3 400 764 20 000 26 000 15 000
301S 12 .4724 37 1.4567 12 .4724 1.00 .040 381 .59 9 750 2 190 4 150 933 19 000 24 000 14 000
302S 15 .5906 42 1.6535 13 .5118 1.00 .040 439 .68 11 400 2 560 5 400 1 210 17 000 20 000 12 000
303S 17 .6693 47 1.8504 14 .5512 1.00 .040 535 .83 13 500 3 030 6 550 1 470 16 000 19 000 11 000
304S 20 .7874 52 2.0472 15 .5906 1.00 .040 632 .98 15 900 3 570 7 800 1 750 13 000 16 000 9 500
305S 25 .9843 62 2.4409 17 .6693 1.00 .040 864 1.34 21 200 4 760 10 800 2 430 11 000 14 000 7 500
306S 30 1.1811 72 2.8346 19 .7480 1.00 .040 1 210 1.88 28 100 6 320 16 000 3 600 9 000 11 000 6 300
307S 35 1.3780 80 3.1496 21 .8268 1.50 .060 1 460 2.26 33 200 7 460 19 000 4 270 8 500 10 000 6 000
308S 40 1.5748 90 3.5433 23 .9055 1.50 .060 1 820 2.82 41 000 9 220 24 000 5 400 7 500 9 000 5 000
309S 45 1.7717 100 3.9370 25 .9843 1.50 .060 2 440 3.62 52 700 11 900 31 500 7 080 6 700 8 000 4 500
310S 50 1.9685 110 4.3307 27 1.0630 2.00 .080 2 900 4.50 61 800 13 900 38 000 8 540 6 300 7 500 4 300
311S 55 2.1654 120 4.7244 29 1.1417 2.00 .080 3 410 5.28 71 500 16 100 45 000 10 100 5 600 6 700 3 800
312S 60 2.3622 130 5.1181 31 1.2205 2.00 .08 3 950 6.13 81 900 18 400 52 000 11 700 5 000 6 000 3 400
313S 65 2.5591 140 5.5118 33 1.2992 2.0 .080 4 540 7.03 92 300 20 800 60 000 13 500 4 800 5 600 3 200
314S 70 2.7559 150 5.9055 35 1.3780 2.00 .080 5 160 8.00 104 000 23 400 68 000 15 300 4 500 5 300 3 000
315S 75 2.9528 160 6.2992 37 1.4567 2.00 .080 5 820 9.03 114 000 25 600 76 500 17 200 4 300 5 000 2 800
316S 80 3.1496 170 6.6929 39 1.5354 2.00 .080 6 515 10.1 124 000 27 900 86 500 19 400 3 800 4 500 2 600
317S 85 3.3465 180 7.0866 41 1.6142 2.5 .100 7 290 11.3 133 000 29 900 96 500 21 700 3 600 4 300 2 400
318S 90 3.5433 190 7.4803 43 1.6929 2.50 .100 8 060 12.5 143 000 32 100 108 000 24 300 3 400 4 000 2 400
319S 95 3.7402 200 7.8740 45 1.7717 2.50 .100 8 900 13.8 153 000 34 400 118 000 26 500 3 200 3 800 2 200
320S 100 3.9370 215 8.4646 47 1.8504 2.50 .100 10 600 16.5 174 000 39 100 140 000 31 500 3 000 3 600 2 100
321S 105 4.1339 225 8.8583 49 1.9291 2.50 .100 11 600 18.0 182 000 40 800 153 000 34 400 2 800 3 400 2 000
322S 110 4.3307 240 9.4488 50 1.9685 2.50 .100 13 600 21.1 203 000 45 600 180 000 40 500 2 600 3 200 1 800
324S 120 4.7244 260 10.2362 55 2.1654 2.50 .100 13 600 21.1 208 000 46 700 186 000 41 800 2 400 3 000 —
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) Listed values are for pressed steel or polyamide cage, ABEC-1.
For phenolic composition cage, multiply by 1.66 for grease and 2.00 for oil. For machined bronze cage, multiply by 1.25 for grease and 1.50 for oil.
For phenolic composition cage, ABEC-5 or 7, multiply by 2.30 for grease and 2.80 for oil. The speed rating adjustment factors have been determined through historical application and practice.
For a more complete explanation, see page 272.
3) Rating for one million revolutions or 500 hours at 331/3 rpm.
44
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B
This series is made up of single-row radial
ra
conrad-type bearings made with bores rang-
ing from 17 mm to 110 mm. They are used
ra
SF SZ SFF SZZ in applications with very heavy radial loads,
SFZ
One shield One seal Two shields Two seals Shield and seal two-directional thrust loads, or a combination
D d of both.
Outside
Bore diameter Width Fillet radius1) Basic radial load rating Speed rating2)
Single and
Dynamic Static Open and shielded double sealed
MRC d D B ra ZD2 C3) C0 Grease Oil Grease
bearing
number mm in. mm in. mm in. mm in. mm in. N lbf N lbf rpm rpm rpm
403S 17 .6693 62 2.4409 17 .6693 1.0 .04 968 1.50 22 900 5 150 10 800 2 430 12 000 15 000 8 500
404S 20 .7874 72 2.8346 19 .7480 1.0 .04 1 370 2.12 30 700 6 900 15 000 3 370 10 000 13 000 7 300
405S 25 .9843 80 3.1496 21 .8268 1.5 .06 1 590 2.47 35 800 8 050 19 300 4 340 9 000 11 000 6 400
406S 30 1.1811 90 3.5433 23 .9055 1.5 .06 1 950 3.02 43 600 9 800 23 600 5 310 8 500 10 000 5 600
407S 35 1.3780 100 3.9370 25 .9843 1.5 .06 2 540 3.94 55 300 12 400 31 000 6 970 7 000 8 500 4 900
408S 40 1.5748 110 4.3307 27 1.0630 2.0 .08 2 980 4.62 63 700 14 300 36 500 8 210 6 700 8 000 4 400
409S 45 1.7717 120 4.7244 29 1.1417 2.0 .08 3 710 5.75 76 100 17 100 45 000 10 100 6 000 7 000 4 000
410S 50 1.9685 130 5.1181 31 1.2205 2.0 .08 4 520 7.00 87 100 19 600 52 000 11 700 5 200 6 300 3 700
411S 55 2.1654 140 5.5118 33 1.2992 2.0 .08 5 100 7.90 99 500 22 400 62 000 13 900 5 000 6 000 3 400
412S 60 2.3622 150 5.9055 35 1.3780 2.0 .08 5 710 8.86 108 000 24 300 69 500 15 600 4 800 5 600 3 100
413S 65 2.5591 160 6.2992 37 1.4567 2.0 .08 6 370 9.87 119 000 26 800 78 000 17 500 4 500 5 300 2 900
414S 70 2.7559 180 7.0866 42 1.6535 2.5 .10 8 510 13.2 143 000 32 100 104 000 23 400 3 800 4 500 2 600
415S 75 2.9528 190 7.4803 45 1.7717 2.5 .10 9 350 14.50 153 000 34 400 114 000 25 600 3 600 4 300 2 500
416S 80 3.1496 200 7.8740 48 1.8898 2.5 .10 10 200 15.80 163 000 36 600 125 000 28 100 3 400 4 000 2 300
417S 85 3.3465 210 8.2677 52 2.0472 3.0 .12 11 000 17.10 174 000 39 100 137 000 30 800 3 200 3 800 2 200
418S 90 3.5433 225 8.8583 54 2.1260 3.0 .12 12 800 19.90 186 000 41 800 150 000 33 700 3 000 3 600 2 100
419S4) 95 3.7402 250 9.8425 55 2.1654 3.0 .12 13 800 21.40 203 000 45 600 173 000 38 900 2 700 3 300 1 900
420S4) 100 3.9370 265 10.4331 60 2.3622 3.0 .12 15 900 24.60 225 000 50 600 200 000 45 000 2 500 3 100 1 800
421S4) 105 4.1339 290 11.4173 65 2.5591 3.0 .12 18 100 28.00 247 000 55 500 228 000 51 300 2 400 2 900 1 600
422S4) 110 4.3307 320 12.5984 70 2.7559 3.0 .12 20 300 31.60 270 000 60 700 260 000 58 500 2 100 2 600 1 500
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) Listed values are for pressed steel or polyamide cage, ABEC-1.
For phenolic composition cage, multiply by 1.66 for grease and 2.00 for oil. For machined bronze cage, multiply by 1.25 for grease and 1.50 for oil.
For phenolic composition cage, ABEC-5 or 7, multiply by 2.30 for grease and 2.80 for oil. The speed rating adjustment factors have been determined through historical application and practice.
For a more complete explanation, see page 272.
3) Rating for one million revolutions or 500 hours at 331/3 rpm.
4) Typically non-stocked sizes, please check availability before designing into equipment.
45
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Cartridge-type bearings
SFFC, SZZC, SLLC
B Cartridge-type bearings have an extra large
ra
grease chamber packed with high quality
ra lubricant. For applications where space for
a lubrication system is limited or conditions
demand a larger grease supply inside
D d bearing.
SLLC removable
Note: Bearings designated SFFC have non-removable
metal shields
metal shields.
Outside
Bore diameter Width Fillet radius1) Basic radial load rating Speed rating2)
Open and Single and
Dynamic Static shielded double sealed
MRC d D B ra ZD2 C3) C0 Grease Oil Grease
bearing
number mm in. mm in. mm in. mm in. mm in. N lbf N lbf rpm rpm rpm
9/16
200SFFC 10 .3937 30 1.1811 14.29 .64 .025 181 .28 5 070 1 140 2 400 540 24 000 30 000 17 000
5/8
201SFFC 12 .4724 32 1.2598 15.88 .64 .025 252 .39 6 760 1 520 3 000 674 22 000 28 000 15 000
5/8
202SFFC 15 .5906 35 1.3780 15.88 .64 .025 290 .45 7 610 1 710 3 750 843 19 000 24 000 13 000
11/16
203SFFC 17 .6693 40 1.5748 17.46 .64 .025 361 .56 9 560 2 150 4 500 1 010 17 000 20 000 12 000
13/16
204SFFC 20 .7874 47 1.8504 20.64 1.0 .04 503 .78 13 000 2 920 6 700 1 510 15 000 18 000 10 000
13/16
205SFFC 25 .9843 52 2.0472 20.64 1.0 .04 568 .88 15 100 3 390 8 150 1 830 12 000 15 000 8 500
15
206SFFC 30 1.1811 62 2.4409 23.81 /16 1.0 .04 819 1.27 20 800 4 680 11 400 2 560 10 000 13 000 7 500
207SFFC 35 1.3780 72 2.8346 26.99 11/16 1.0 .04 1 140 1.76 26 500 5 960 15 300 3 440 9 000 11 000 6 300
208SFFC 40 1.5748 80 3.1496 30.16 13/16 1.0 .04 1 450 2.25 32 500 7 310 20 000 4 550 8 500 10 000 5 600
209SFFC 45 1.7717 85 3.3465 30.16 13/16 1.0 .04 1 640 2.54 36 400 8 180 22 800 5 130 7 500 9 000 5 000
210SFFC 50 1.9685 90 3.5433 30.16 13/16 1.0 .04 1 610 2.50 35 100 7 890 23 200 5 220 7 000 8 500 4 800
211SFFC 55 2.1654 100 3.9370 33.34 15/16 1.5 .06 2 040 3.16 39 700 8 920 29 000 6 520 6 300 7 500 4 300
213SFFC 65 2.5591 120 4.7244 38.10 11/2 1.5 .06 3 050 4.73 62 400 14 000 44 000 9 890 5 300 6 300 3 600
214SFFC 70 2.7559 125 4.9213 39.69 19/16 1.5 .06 3 050 4.73 62 400 14 000 44 000 9 890 5 000 6 000 3 400
216SFFC 80 3.1496 140 5.5118 44.45 13/4 2.0 .08 3 630 5.63 78 000 17 500 53 000 11 900 4 500 5 300 3 000
7
304SFFC 20 .7874 52 2.0472 22.23 /8 1.0 .04 632 .98 15 900 3 570 7 800 1 750 13 000 16 000 9 500
305SFFC 25 .9843 62 2.4409 25.40 1 1.0 .04 864 1.34 21 000 4 770 11 000 2 470 11 000 14 000 7 500
306SFFC 30 1.1811 72 2.8346 30.16 13/16 1.0 .04 1 290 2.00 29 600 6 650 16 600 3 730 9 000 11 000 6 300
307SFFC 35 1.3780 80 3.1496 34.93 13/8 1.5 .06 1 590 2.47 36 400 8 180 20 000 4 500 8 500 10 000 6 000
308SFFC 40 1.5748 90 3.5433 36.51 17/16 1.5 .06 2 020 3.13 44 200 9 940 26 000 5 850 7 500 9 000 5 000
309SFFC 45 1.7717 100 3.9370 39.69 19/16 1.5 .06 2 330 3.62 52 000 11 700 30 000 6 740 6 700 8 000 4 500
310SFFC 50 1.9685 110 4.3307 44.45 13/4 2.0 .08 2 900 4.50 61 800 13 900 38 000 8 540 6 300 7 500 4 300
311SFFC 55 2.1654 120 4.7244 49.21 115/16 2.0 .08 3 410 5.28 71 500 16 100 45 000 10 100 5 600 6 700 3 800
312SFFC 60 2.3622 130 5.1181 53.98 21/8 2.0 .08 3 950 6.13 81 900 18 400 52 000 11 700 5 000 6 000 3 400
313SFFC 65 2.5591 140 5.5118 58.74 25/16 2.0 .08 4 530 7.03 92 300 20 700 60 000 13 500 4 800 5 600 3 200
314SFFC 70 2.7559 150 5.9055 63.50 21/2 2.0 .08 5 160 8.00 104 000 23 400 68 000 15 300 4 500 5 300 3 000
315SFFC 75 2.9528 160 6.2992 68.26 211/16 2.0 .08 6 530 10.1 124 000 27 900 85 000 19 100 4 300 5 000 2 800
316SFFC 80 3.1496 170 6.6929 68.26 211/16 2.0 .08 7 280 11.3 133 000 29 900 95 000 21 400 3 800 4 500 2 600
317SFFC 85 3.3465 180 7.0866 73.03 27/8 2.5 .10 7 280 11.3 133 000 29 900 96 500 21 700 3 600 4 300 2 400
318SFFC 90 3.5433 190 7.4803 73.03 27/8 2.5 .10 8 060 12.5 143 000 32 100 108 000 24 300 3 400 4 000 2 400
320SFFC 100 3.9370 215 8.4646 82.55 31/4 2.5 .10 11 600 18.0 182 000 40 900 150 000 33 700 3 000 3 600 2 100
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) Listed values are for pressed steel or polyamide cage, ABEC-1. The values have been determined through historical application and practice.
For a more complete explanation, see page 272.
3) Rating for one million revolutions or 500 hours at 331/3 rpm.
46
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900 6.20
e (C3) e (C0)
800 5.51
Static equivalent radial load 700 4.82
P0 = 0.6 FR + 0.5 FA
600 4.13
P0 is always ≥ FR
FA FA
P0 = Static equivalent radial load 500 3.45
ZD2 ZD2
( lb, in.) 400 Y (C3) Y (C0)
FR = Radial load 2.76 (N, mm)
FA = Thrust load
300 2.07
200 1.38
100 0.689
0 0
1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0 2.1 2.2 2.3
Y
47
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Case 1 Case 1
Radial load (FR) = 1890 Radial load (FR) = 1890
Equivalent load (P) = X FR + Y FA Equivalent load (P) = X FR + Y FA
P = FR = 1890 P = FR = 1890
( CP ) = ( 11900
3 3
1890 ) ( CP ) = ( 11900
3
1890 )
3
Life (L10) = = 249.6 × 10 Rev. 6
Life (L10) = = 249.6 × 10 Rev.
6
or or
3
10 C 11900 3
Case 2 Case 2
Radial load (FR) = 1890 Radial load (FR) = 1890
Thrust load (FA) = 1250 Thrust load (FA) = 1250
Equivalent load (P) = X FR + Y FA Equivalent load (P) = X FR + Y FA
FA/ZD2 = 1250/3.62 = 345 FA/ZD2 = 1250/3.62 = 345
X = 0.56 X = 0.44
Y = 1.27 Y = 1.08
P = 0.56 × 1890 + 1.27 × 1250 = 2646 P = 0.44 × 1890 + 1.08 × 1250 = 2182
( ) ( 11900
3
2182 )
C 3
( CP )= ( 11900
3 3
2646 )
Life (L10) = = 91.0 × 10 Rev. 6
Life (L10)= P = = 162.2 × 10 Rev.
6
or or
10 C6
11900 3 106
60n ( P ) 60 × 2000 ( 2646 )
3 10
( CP )= 60 ×102000 ( 11900
6 3 3
2182 )
6
Life (L10 )= = Life (L 10h)=
h
60n
= 758 Hrs = 1352 Hrs
Case 3 Case 3
Thrust load (FA) = 1250 Thrust load (FA) = 1250
Equivalent load (P) = X FR + Y FA Equivalent load (P) = X FR + Y FA
FA/ZD2 = 1250/3.62 = 345 FA/ZD2 = 1250/3.62 = 345
Y = 1.27 Y = 1.08
P = 1.27 × 1250 = 1588 P = 1.08 × 1250 = 1350
11900 3
1350 )
3
Life (L10)= 6
Life (L10)= = 684.9 × 10 Rev.
6
or or
10 C
6
11900 3 10 C
6
10 6
48
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49
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50
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51
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100KS
extra light hybrid series
Outside
Bore diameter Width Fillet radius1) Basic radial load rating Speed rating
Dynamic Static
MRC d D B ra C2) C0 Grease Oil
bearing
number mm in. mm in. mm in. mm in. N lbf N lbf rpm rpm
105KS-HYB#1 25 0.9843 47 1.8504 12 0.4724 0.64 0.025 11 900 2 680 6 550 1 470 18 000 21 600
105KSFF-HYB#1 25 0.9843 47 1.8504 12 0.4724 0.64 0.025 11 900 2 680 6 550 1 470 18 000 -
105KSZZ-HYB#1 25 0.9843 47 1.8504 12 0.4724 0.64 0.025 11 900 2 680 6 550 1 470 9 500 -
106KS-HYB#1 30 1.1811 55 2.1654 13 0.5118 1.00 0.039 13 800 3 100 8 300 1 870 14 400 18 000
106KSFF-HYB#1 30 1.1811 55 2.1654 13 0.5118 1.00 0.039 13 800 3 100 8 300 1 870 14 400 -
106KSZZ-HYB#1 30 1.1811 55 2.1654 13 0.5118 1.00 0.039 13 800 3 100 8 300 1 870 8 000 -
107KS-HYB#1 35 1.3780 62 2.4409 14 0.5512 1.00 0.039 16 800 3 780 10 200 2 290 12 000 15 600
107KSFF-HYB#1 35 1.3780 62 2.4409 14 0.5512 1.00 0.039 16 800 3 780 10 200 2 290 12 000 15 600
107KSZZ-HYB#1 35 1.3780 62 2.4409 14 0.5512 1.00 0.039 16 800 3 780 10 200 2 290 7 000 -
108KS-HYB#1 40 1.5748 68 2.6772 15 0.5906 1.00 0.039 17 800 4 000 11 000 2 470 11 400 14 400
108KSFF-HYB#1 40 1.5748 68 2.6772 15 0.5906 1.00 0.039 17 800 4 000 11 000 2 470 11 400 14 400
108KSZZ-HYB#1 40 1.5748 68 2.6772 15 0.5906 1.00 0.039 17 800 4 000 11 000 2 470 6 300 -
109KS-HYB#1 45 1.7717 75 2.9528 16 0.6299 1.00 0.039 22 100 4 970 14 600 3 280 10 800 13 200
109KSFF-HYB#1 45 1.7717 75 2.9528 16 0.6299 1.00 0.039 22 100 4 970 14 600 3 280 10 800 13 200
109KSZZ-HYB#1 45 1.7717 75 2.9528 16 0.6299 1.00 0.039 22 100 4 970 14 600 3 280 5 600 -
110KS-HYB#1 50 1.9685 80 3.1496 16 0.6299 1.00 0.039 22 900 5 150 16 000 3 600 10 200 12 000
110KSFF-HYB#1 50 1.9685 80 3.1496 16 0.6299 1.00 0.039 22 900 5 150 16 000 3 600 10 200 12 000
110KSZZ-HYB#1 50 1.9685 80 3.1496 16 0.6299 1.00 0.039 22 900 5 150 16 000 3 600 5 000 -
111KS-HYB#1 55 2.1654 90 3.5433 18 0.7087 1.00 0.039 29 600 6 650 21 200 4 770 9 000 10 800
111KSFF-HYB#1 55 2.1654 90 3.5433 18 0.7087 1.00 0.039 29 600 6 650 21 200 4 770 9 000 10 800
111KSZZ-HYB#1 55 2.1654 90 3.5433 18 0.7087 1.00 0.039 29 600 6 650 21 200 4 770 4 500 -
112KS-HYB#1 60 2.3622 95 3.7402 18 0.7087 1.00 0.039 30 700 6 900 23 200 5 220 8 040 9 600
112KSFF-HYB#1 60 2.3622 95 3.7402 18 0.7087 1.00 0.039 30 700 6 900 23 200 5 220 8 040 9 600
112KSZZ-HYB#1 60 2.3622 95 3.7402 18 0.7087 1.00 0.039 30 700 6 900 23 200 5 220 4 300 -
113KS-HYB#1 65 2.5591 100 3.9370 18 0.7087 1.00 0.039 31 900 7 170 25 000 5 620 7 560 9 000
113KSFF-HYB#1 65 2.5591 100 3.9370 18 0.7087 1.00 0.039 31 900 7 170 25 000 5 620 7 560 9 000
113KSZZ-HYB#1 65 2.5591 100 3.9370 18 0.7087 1.00 0.039 31 900 7 170 25 000 5 620 4 000 -
114KS-HYB#1 70 2.7559 110 4.3307 20 0.7874 1.00 0.039 39 700 8 920 31 000 6 970 7 200 8 400
114KSFF-HYB#1 70 2.7559 110 4.3307 20 0.7874 1.00 0.039 39 700 8 920 31 000 6 970 7 200 8 400
114KSZZ-HYB#1 70 2.7559 110 4.3307 20 0.7874 1.00 0.039 39 700 8 920 31 000 6 970 3 600 -
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) Listed values are for pressed steel or polyamide cage, ABEC-1.
For phenolic composition cage, multiply by 1.66 for grease and 2.00 for oil. For machined bronze cage, multiply by 1.25 for grease and 1.50 for oil.
For phenolic composition cage, ABEC-5 or 7, multiply by 2.30 for grease and 2.80 for oil. The speed rating adjustment factors have been determined through historical application and practice.
For a more complete explanation, see page 272.
3) Rating for one million revolutions or 500 hours at 331/3 rpm.
52
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Outside
Bore diameter Width Fillet radius1) Basic radial load rating Speed rating
Dynamic Static
MRC d D B ra C2) C0 Grease Oil
bearing
number mm in. mm in. mm in. mm in. N lbf N lbf rpm rpm
115KS-HYB#1 75 2.9528 115 4.5276 20 0.7874 1.00 0.039 41600 9350 33500 7530 6720 8040
115KSFF-HYB#1 75 2.9528 115 4.5276 20 0.7874 1.00 0.039 41600 9350 33500 7530 6720 8040
115KSZZ-HYB#1 75 2.9528 115 4.5276 20 0.7874 1.00 0.039 41600 9350 33500 7530 3400 -
116KS-HYB#1 80 3.1496 125 4.9213 22 0.8661 1.00 0.039 49400 11110 40000 8990 6360 7560
116KSFF-HYB#1 80 3.1496 125 4.9213 22 0.8661 1.00 0.039 49400 11110 40000 8990 6360 7560
116KSZZ-HYB#1 80 3.1496 125 4.9213 22 0.8661 1.00 0.039 49400 11110 40000 8990 3200 -
117KS-HYB#1 85 3.3465 130 5.1181 22 0.8661 1.00 0.039 52000 11690 43000 9670 6000 7200
117KSFF-HYB#1 85 3.3465 130 5.1181 22 0.8661 1.00 0.039 52000 11690 43000 9670 6000 7200
117KSZZ-HYB#1 85 3.3465 130 5.1181 22 0.8661 1.00 0.039 52000 11690 43000 9670 3000 -
118KS-HYB#1 90 3.5433 140 5.5118 24 0.9449 1.50 0.059 60500 13600 50000 11240 5760 6720
118KSFF-HYB#1 90 3.5433 140 5.5118 24 0.9449 1.50 0.059 60500 13600 50000 11240 5760 6720
118KSZZ-HYB#1 90 3.5433 140 5.5118 24 0.9449 1.50 0.059 60500 13600 50000 11240 2800 -
119KS-HYB#1 95 3.7402 145 5.7087 24 0.9449 1.50 0.059 63700 14320 54000 12140 5400 6360
119KSFF-HYB#1 95 3.7402 145 5.7087 24 0.9449 1.50 0.059 63700 14320 54000 12140 5400 6360
119KSZZ-HYB#1 95 3.7402 145 5.7087 24 0.9449 1.50 0.059 63700 14320 54000 12140 2800 -
120KS-HYB#1 100 3.9370 150 5.9055 24 0.9449 1.50 0.059 63700 14320 54000 12140 5160 6000
120KSFF-HYB#1 100 3.9370 150 5.9055 24 0.9449 1.50 0.059 63700 14320 54000 12140 5160 6000
120KSZZ-HYB#1 100 3.9370 150 5.9055 24 0.9449 1.50 0.059 63700 14320 54000 12140 2600 -
53
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200S
light hybrid series
Outside
Bore diameter Width Fillet radius1) Basic radial load rating Speed rating
Dynamic Static
MRC d D B ra C2) C0 Grease Oil
bearing
number mm in. mm in. mm in. mm in. N lbf N lbf rpm rpm
205S-HYB#1 25 0.9843 52 2.0472 15 0.5906 1.0 0.039 14800 3330 7800 1750 14400 18000
205SFF-HYB#1 25 0.9843 52 2.0472 15 0.5906 1.0 0.039 14800 3330 7800 1750 14400 18000
205SZZ-HYB#1 25 0.9843 52 2.0472 15 0.5906 1.0 0.039 14800 3330 7800 1750 8500 -
206S-HYB#1 30 1.1811 62 2.4409 16 0.6299 1.0 0.039 20300 4560 11200 2520 12000 15600
206SFF-HYB#1 30 1.1811 62 2.4409 16 0.6299 1.0 0.039 20300 4560 11200 2520 12000 15600
206SZZ-HYB#1 30 1.1811 62 2.4409 16 0.6299 1.0 0.039 20300 4560 11200 2520 7500 -
207S-HYB#1 35 1.3780 72 2.8346 17 0.6693 1.0 0.039 27000 6070 15300 3440 10800 13200
207SFF-HYB#1 35 1.3780 72 2.8346 17 0.6693 1.0 0.039 27000 6070 15300 3440 10800 13200
207SZZ-HYB#1 35 1.3780 72 2.8346 17 0.6693 1.0 0.039 27000 6070 15300 3440 6300 -
208S-HYB#1 40 1.5748 80 3.1496 18 0.7087 1.0 0.039 32500 7310 19000 4270 10200 12000
208SFF-HYB#1 40 1.5748 80 3.1496 18 0.7087 1.0 0.039 32500 7310 19000 4270 10200 12000
208SZZ-HYB#1 40 1.5748 80 3.1496 18 0.7087 1.0 0.039 32500 7310 19000 4270 5600 -
209S-HYB#1 45 1.7717 85 3.3465 19 0.7480 1.0 0.039 35100 7890 21600 4860 9000 10800
209SFF-HYB#1 45 1.7717 85 3.3465 19 0.7480 1.0 0.039 35100 7890 21600 4860 9000 10800
209SZZ-HYB#1 45 1.7717 85 3.3465 19 0.7480 1.0 0.039 35100 7890 21600 4860 5000 -
210S-HYB#1 50 1.9685 90 3.5433 20 0.7874 1.0 0.039 37100 8340 23200 5220 8400 10200
210SFF-HYB#1 50 1.9685 90 3.5433 20 0.7874 1.0 0.039 37100 8340 23200 5220 8400 10200
210SZZ-HYB#1 50 1.9685 90 3.5433 20 0.7874 1.0 0.039 37100 8340 23200 5220 4800 -
211S-HYB#1 55 2.1654 100 3.9370 21 0.8268 1.5 0.059 46200 10390 29000 6520 7500 9000
211SFF-HYB#1 55 2.1654 100 3.9370 21 0.8268 1.5 0.059 46200 10390 29000 6520 7500 9000
211SZZ-HYB#1 55 2.1654 100 3.9370 21 0.8268 1.5 0.059 46200 10390 29000 6520 4300 -
212S-HYB#1 60 2.3622 110 4.3307 22 0.8661 1.5 0.059 55300 12430 36000 8090 7200 8400
212SFF-HYB#1 60 2.3622 110 4.3307 22 0.8661 1.5 0.059 55300 12430 36000 8090 7200 8400
212SZZ-HYB#1 60 2.3622 110 4.3307 22 0.8661 1.5 0.059 55300 12430 36000 8090 4000 -
213S-HYB#1 65 2.5591 120 4.7244 23 0.9055 1.5 0.059 58500 13150 40500 9100 6300 7500
213SFF-HYB#1 65 2.5591 120 4.7244 23 0.9055 1.5 0.059 58500 13150 40500 9100 6300 7500
213SZZ-HYB#1 65 2.5591 120 4.7244 23 0.9055 1.5 0.059 58500 13150 40500 9100 3600 -
214S-HYB#1 70 2.7559 125 4.9213 24 0.9449 1.5 0.059 63700 14320 45000 10120 6000 7200
214SFF-HYB#1 70 2.7559 125 4.9213 24 0.9449 1.5 0.059 63700 14320 45000 10120 6000 7200
214SZZ-HYB#1 70 2.7559 125 4.9213 24 0.9449 1.5 0.059 63700 14320 45000 10120 3400 -
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) Listed values are for pressed steel or polyamide cage, ABEC-1.
For phenolic composition cage, multiply by 1.66 for grease and 2.00 for oil. For machined bronze cage, multiply by 1.25 for grease and 1.50 for oil.
For phenolic composition cage, ABEC-5 or 7, multiply by 2.30 for grease and 2.80 for oil. The speed rating adjustment factors have been determined through historical application and practice.
For a more complete explanation, see page 272.
3) Rating for one million revolutions or 500 hours at 331/3 rpm.
54
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Outside
Bore diameter Width Fillet radius1) Basic radial load rating Speed rating
Dynamic Static
MRC d D B ra C2) C0 Grease Oil
bearing
number mm in. mm in. mm in. mm in. N lbf N lbf rpm rpm
215S-HYB#1 75 2.9528 130 5.1181 25 0.9843 1.5 0.059 68900 15490 49000 11020 5700 6700
215SFF-HYB#1 75 2.9528 130 5.1181 25 0.9843 1.5 0.059 68900 15490 49000 11020 5700 6700
215SZZ-HYB#1 75 2.9528 130 5.1181 25 0.9843 1.5 0.059 68900 15490 49000 11020 3200 -
216S-HYB#1 80 3.1496 140 5.5118 26 1.0236 2.0 0.079 72800 16370 55000 12360 5400 6300
217S-HYB#1 85 3.3465 150 5.9055 28 1.1024 2.0 0.079 87100 19580 64000 14390 5100 6000
218S-HYB#1 90 3.5433 160 6.2992 30 1.1811 2.0 0.079 101000 22710 73500 16520 4500 5400
219S-HYB#1 95 3.7402 170 6.6929 32 1.2598 2.0 0.079 114000 25630 81500 18320 4300 5100
220S-HYB#1 100 3.9370 180 7.0866 34 1.3386 2.0 0.079 127000 28550 93000 20910 4000 4900
222S-HYB#1 110 4.3307 200 7.8740 38 1.4961 2.0 0.079 151000 33950 118000 26530 3600 4300
224S-HYB#1 120 4.7244 215 8.4646 40 1.5748 2.0 0.079 146000 32820 118000 26530 3300 4000
226S-HYB#1 130 5.1181 230 9.0551 40 1.5748 3.0 0.118 156000 35070 132000 29670 2900 3600
228S-HYB#1 140 5.5118 250 9.8425 42 1.6535 3.0 0.118 165000 37090 150000 33720 2700 3400
230S-HYB#1 150 5.9055 270 10.6299 45 1.7717 3.0 0.118 174000 39120 166000 37320 2500 3200
232S-HYB#1 160 6.2992 290 11.4173 48 1.8898 3.0 0.118 186000 41810 186000 41810 2300 3000
236S-HYB#1 180 7.0866 320 12.5984 52 2.0472 4.0 0.157 229000 51480 240000 53950 2000 2600
55
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300S
medium hybrid series
Outside
Bore diameter Width Fillet radius1) Basic radial load rating Speed rating
Dynamic Static
MRC d D B ra C2) C0 Grease Oil
bearing
number mm in. mm in. mm in. mm in. N lbf N lbf rpm rpm
306S-HYB#1 30 1.1811 72 2.8346 19 0.7480 1 0.039 29600 6650 16000 3600 10800 13200
306SFF-HYB#1 30 1.1811 72 2.8346 19 0.7480 1 0.039 29600 6650 16000 3600 10800 13200
306SZZ-HYB#1 30 1.1811 72 2.8346 19 0.7480 1 0.039 29600 6650 16000 3600 6300 -
307S-HYB#1 35 1.3780 80 3.1496 21 0.8268 1.5 0.059 35100 7890 19000 4270 10200 12000
307SFF-HYB#1 35 1.3780 80 3.1496 21 0.8268 1.5 0.059 35100 7890 19000 4270 10200 12000
307SZZ-HYB#1 35 1.3780 80 3.1496 21 0.8268 1.5 0.059 35100 7890 19000 4270 6000 -
308S-HYB#1 40 1.5748 90 3.5433 23 0.9055 1.5 0.059 42300 9510 24000 5400 9000 10800
308SFF-HYB#1 40 1.5748 90 3.5433 23 0.9055 1.5 0.059 42300 9510 24000 5400 9000 10800
308SZZ-HYB#1 40 1.5748 90 3.5433 23 0.9055 1.5 0.059 42300 9510 24000 5400 5000 -
309S-HYB#1 45 1.7717 100 3.9370 25 0.9843 1.5 0.059 55300 12430 31500 7080 8000 9600
309SFF-HYB#1 45 1.7717 100 3.9370 25 0.9843 1.5 0.059 55300 12430 31500 7080 8000 9600
309SZZ-HYB#1 45 1.7717 100 3.9370 25 0.9843 1.5 0.059 55300 12430 31500 7080 4500 -
310S-HYB#1 50 1.9685 110 4.3307 27 1.0630 2 0.079 65000 14610 38000 8540 7500 9000
310SFF-HYB#1 50 1.9685 110 4.3307 27 1.0630 2 0.079 65000 14610 38000 8540 7500 9000
310SZZ-HYB#1 50 1.9685 110 4.3307 27 1.0630 2 0.079 65000 14610 38000 8540 4300 -
311S-HYB#1 55 2.1654 120 4.7244 29 1.1417 2 0.079 74100 16660 45000 10120 6700 8000
311SFF-HYB#1 55 2.1654 120 4.7244 29 1.1417 2 0.079 74100 16660 45000 10120 6700 8000
311SZZ-HYB#1 55 2.1654 120 4.7244 29 1.1417 2 0.079 74100 16660 45000 10120 3800 -
312S-HYB#1 60 2.3622 130 5.1181 31 1.2205 2 0.079 85200 19150 52000 11690 6000 7200
312SFF-HYB#1 60 2.3622 130 5.1181 31 1.2205 2 0.079 85200 19150 52000 11690 6000 7200
312SZZ-HYB#1 60 2.3622 130 5.1181 31 1.2205 2 0.079 85200 19150 52000 11690 3400 -
313S-HYB#1 65 2.5591 140 5.5118 33 1.2992 2 0.079 97500 21920 60000 13490 5700 6800
313SFF-HYB#1 65 2.5591 140 5.5118 33 1.2992 2 0.079 97500 21920 60000 13490 5700 6800
313SZZ-HYB#1 65 2.5591 140 5.5118 33 1.2992 2 0.079 97500 21920 60000 13490 3200 -
314S-HYB#1 70 2.7559 150 5.9055 35 1.3780 2 0.079 111000 24950 68000 15290 5400 6400
314SFF-HYB#1 70 2.7559 150 5.9055 35 1.3780 2 0.079 111000 24950 68000 15290 5400 6400
314SZZ-HYB#1 70 2.7559 150 5.9055 35 1.3780 2 0.079 111000 24950 68000 15290 3000 -
315S-HYB#1 75 2.9528 160 6.2992 37 1.4567 2 0.079 119000 26750 76500 17200 5100 6100
315SFF-HYB#1 75 2.9528 160 6.2992 37 1.4567 2 0.079 119000 26750 76500 17200 5100 6100
315SZZ-HYB#1 75 2.9528 160 6.2992 37 1.4567 2 0.079 119000 26750 76500 17200 2800 -
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) Listed values are for pressed steel or polyamide cage, ABEC-1.
For phenolic composition cage, multiply by 1.66 for grease and 2.00 for oil. For machined bronze cage, multiply by 1.25 for grease and 1.50 for oil.
For phenolic composition cage, ABEC-5 or 7, multiply by 2.30 for grease and 2.80 for oil. The speed rating adjustment factors have been determined through historical application and practice.
For a more complete explanation, see page 272.
3) Rating for one million revolutions or 500 hours at 331/3 rpm.
56
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Outside
Bore diameter Width Fillet radius1) Basic radial load rating Speed rating
Dynamic Static
MRC d D B ra C2) C0 Grease Oil
bearing
number mm in. mm in. mm in. mm in. N lbf N lbf rpm rpm
316S-HYB#1 80 3.1496 170 6.6929 39 1.5354 2 0.079 130000 29230 86500 19450 4500 5400
316SF-HYB#1 80 3.1496 170 6.6929 39 1.5354 2 0.079 130000 29230 86500 19450 4500 5400
316SFF-HYB#1 80 3.1496 170 6.6929 39 1.5354 2 0.079 130000 29230 86500 19450 4500 5400
317S-HYB#1 85 3.3465 180 7.0866 41 1.6142 2.5 0.098 140000 31470 96500 21690 4300 5100
318S-HYB#1 90 3.5433 180 7.0866 41 1.6142 2.5 0.098 151000 33950 108000 24280 4000 4800
319S-HYB#1 95 3.7402 200 7.8740 41 1.6142 2.5 0.098 159000 35740 118000 26530 3800 4500
320S-HYB#3 100 3.9370 215 8.4646 47 1.8504 2.5 0.098 174000 39120 140000 31470 3600 4300
322S-HYB#3 110 4.3307 240 9.4488 50 1.9685 2.5 0.098 187500 42150 174800 39300 3100 3700
322SF-HYB#3 110 4.3307 240 9.4488 50 1.9685 2.5 0.098 187500 42150 174800 39300 3100 3700
324S-HYB#3 120 4.7244 260 10.2362 55 2.1654 2.5 0.098 200300 45030 198700 44670 2800 3600
326S-HYB#3 130 5.1181 280 11.0236 58 2.2835 4 0.157 212200 47700 222800 50090 2600 3400
328S-HYB#3 140 5.5118 300 11.8110 62 2.4409 4 0.157 265900 59780 265900 59780 2400 3200
330S-HYB#3 150 5.9055 320 12.5984 65 2.5591 4 0.157 288700 64900 306500 68900 2200 3000
332S-HYB#3 160 6.2992 340 13.3858 68 2.6772 4 0.157 330900 74390 391100 87920 2000 2800
334S-HYB#3 170 6.6929 360 14.1732 72 2.8346 4 0.157 330900 74390 391100 87920 1800 2600
336S-HYB#3 180 7.0866 380 14.9606 75 2.9528 4 0.157 330900 74390 391100 87920 1600 2400
57
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HNCR
hybrid series single-row deep groove (SRDG) ball bearings
Outside
Bore diameter Width Fillet radius1) Basic radial load rating Speed rating
Dynamic Static
MRC d D B ra C2) C0 Grease Oil
bearing
number mm in. mm in. mm in. mm in. N lbf N lbf rpm rpm
200S-HNCR-HYB 10 0.3937 30 1.1811 9 0.3543 0.64 0.025 5100 1150 2370 530 28800 36000
200SZZ-HNCR-HYB 10 0.3937 30 1.1811 9 0.3543 0.64 0.025 5100 1150 2370 530 17000 -
201S-HNCR-HYB 12 0.4724 32 1.2598 10 0.3937 0.64 0.025 6800 1530 3050 685 26400 33600
201SZZ-HNCR-HYB 12 0.4724 32 1.2598 10 0.3937 0.64 0.025 6800 1530 3050 685 15000 -
202S-HNCR-HYB 15 0.5906 35 1.3780 11 0.4331 0.64 0.025 7600 1710 3700 830 22800 28800
202SZZ-HNCR-HYB 15 0.5906 35 1.3780 11 0.4331 0.64 0.025 7600 1710 3700 830 13000 -
203S-HNCR-HYB 17 0.6693 40 1.5748 12 0.4724 0.64 0.025 9550 2150 4760 1070 20400 24000
203SZZ-HNCR-HYB 17 0.6693 40 1.5748 12 0.4724 0.64 0.025 9550 2150 4760 1070 12000 -
204S-HNCR-HYB 20 0.7874 47 1.8504 14 0.5512 1.00 0.039 12800 2870 6580 1480 18000 21600
204SZZ-HNCR-HYB 20 0.7874 47 1.8504 14 0.5512 1.00 0.039 12800 2870 6580 1480 10000 -
205S-HNCR-HYB 25 0.9843 52 2.0472 15 0.5906 1.00 0.039 14000 3150 7830 1760 14400 18000
205SZZ-HNCR-HYB 25 0.9843 52 2.0472 15 0.5906 1.00 0.039 14000 3150 7830 1760 8500 -
206S-HNCR-HYB 30 1.1811 62 2.4409 16 0.6299 1.00 0.039 19500 4370 11300 2530 12000 15600
206SZZ-HNCR-HYB 30 1.1811 62 2.4409 16 0.6299 1.00 0.039 19500 4370 11300 2530 7500 -
207S-HNCR-HYB 35 1.3780 72 2.8346 17 0.6693 1.00 0.039 25500 5730 15300 3440 10800 13200
207SZZ-HNCR-HYB 35 1.3780 72 2.8346 17 0.6693 1.00 0.039 25500 5730 15300 3440 6300 -
208S-HNCR-HYB 40 1.5748 80 3.1496 18 0.7087 1.00 0.039 30700 6900 19000 4270 10200 12000
208SZZ-HNCR-HYB 40 1.5748 80 3.1496 18 0.7087 1.00 0.039 30700 6900 19000 4270 5600 -
209S-HNCR-HYB 45 1.7717 85 3.3465 19 0.7480 1.00 0.039 33200 7460 21600 4860 9000 10800
209SZZ-HNCR-HYB 45 1.7717 85 3.3465 19 0.7480 1.00 0.039 33200 7460 21600 4860 5000 -
210S-HNCR-HYB 50 1.9685 90 3.5433 20 0.7874 1.00 0.039 35100 7890 23200 5220 8400 10200
210SZZ-HNCR-HYB 50 1.9685 90 3.5433 20 0.7874 1.00 0.039 35100 7890 23200 5220 4800 -
100KS-HNCR-HYB 10 0.3937 26 1.0236 8 0.3150 0.30 0.012 4620 1040 1960 440 36000 43200
100KSZZ-HNCR-HYB10 0.3937 26 1.0236 8 0.3150 0.30 0.012 4620 1040 1960 440 19000 -
101KS-HNCR-HYB 12 0.4724 28 1.1024 8 0.3150 0.30 0.012 5070 1140 2360 530 31200 38400
101KSZZ-HNCR-HYB12 0.4724 28 1.1024 8 0.3150 0.30 0.012 5070 1140 2360 530 17000 -
102KS-HNCR-HYB 15 0.5906 32 1.2598 89 3.5039 0.30 0.012 5590 1260 2850 640 26400 33600
102KSZZ-HNCR-HYB15 0.5906 32 1.2598 89 3.5039 0.30 0.012 5590 1260 2850 640 14000 -
103KS-HNCR-HYB 17 0.6693 35 1.3780 10 0.3937 0.30 0.012 6050 1360 3250 730 22800 28800
103KSZZ-HNCR-HYB17 0.6693 35 1.3780 10 0.3937 0.30 0.012 6050 1360 3250 730 13000 -
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) Listed values are for pressed steel or polyamide cage, ABEC-1.
For phenolic composition cage, multiply by 1.66 for grease and 2.00 for oil. For machined bronze cage, multiply by 1.25 for grease and 1.50 for oil.
For phenolic composition cage, ABEC-5 or 7, multiply by 2.30 for grease and 2.80 for oil. The speed rating adjustment factors have been determined through historical application and practice.
For a more complete explanation, see page 272.
3) Rating for one million revolutions or 500 hours at 331/3 rpm.
58
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Outside
Bore diameter Width Fillet radius1) Basic radial load rating Speed rating
Dynamic Static
MRC d D B ra C2) C0 Grease Oil
bearing
number mm in. mm in. mm in. mm in. N lbf N lbf rpm rpm
104KS-HNCR-HYB 20 0.7874 42 1.6535 12 0.4724 0.64 0.025 9360 2100 5000 1120 20400 24000
104KSZZ-HNCR-HYB 20 0.7874 42 1.6535 12 0.4724 0.64 0.025 9360 2100 5000 1120 11000 -
105KS-HNCR-HYB 25 0.9843 47 1.8504 12 0.4724 0.64 0.025 11200 2520 6550 1470 18000 21600
105KSZZ-HNCR-HYB 25 0.9843 47 1.8504 12 0.4724 0.64 0.025 11200 2520 6550 1470 9500 -
106KS-HNCR-HYB 30 1.1811 55 2.1654 13 0.5118 1.00 0.039 13200 2970 8270 1860 14400 18000
106KSZZ-HNCR-HYB 30 1.1811 55 2.1654 13 0.5118 1.00 0.039 13200 2970 8270 1860 8000 -
38-HNCR-HYB 8 0.3150 22 0.8661 7 0.2756 0.30 0.012 3250 730 1360 306 43200 51600
38ZZ-HNCR-HYB 8 0.3150 22 0.8661 7 0.2756 0.30 0.012 3250 730 1360 306 23000 -
1900S-HNCR-HYB 10 0.3937 22 0.8661 6 0.2362 0.30 0.012 2510 565 1120 252 40800 48000
1900SZZ-HNCR-HYB 10 0.3937 22 0.8661 6 0.2362 0.30 0.012 2510 565 1120 252 19000 -
1901S-HNCR-HYB 12 0.4724 24 0.9449 6 0.2362 0.30 0.012 2890 649 1460 329 36000 43200
1901SZZ-HNCR-HYB 12 0.4724 24 0.9449 6 0.2362 0.30 0.012 2890 649 1460 329 18000 -
1902S-HNCR-HYB 15 0.5906 28 1.1024 7 0.2756 0.30 0.012 4030 906 2040 459 28800 36000
1902SZZ-HNCR-HYB 15 0.5906 28 1.1024 7 0.2756 0.30 0.012 4030 906 2040 459 16000 -
1903S-HNCR-HYB 17 0.6693 30 1.1811 7 0.2756 0.30 0.012 4360 980 2320 522 26400 33600
1903SZZ-HNCR-HYB 17 0.6693 30 1.1811 7 0.2756 0.30 0.012 4360 980 2320 522 14000 -
1904S-HNCR-HYB 20 0.7874 37 1.4567 9 0.3543 0.30 0.012 6380 1430 3680 827 21600 26400
1904SZZ-HNCR-HYB 20 0.7874 37 1.4567 9 0.3543 0.30 0.012 6380 1430 3680 827 12000 -
1905S-HNCR-HYB 25 0.9843 42 1.6535 9 0.3543 0.30 0.012 7030 1580 4530 1020 19200 22800
1905SZZ-HNCR-HYB 25 0.9843 42 1.6535 9 0.3543 0.30 0.012 7030 1580 4530 1020 10000 -
59
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Stainless steel
single-row deep groove (SRDG) ball bearings
B MRC stainless steel (SRDG) ball bearings are All MRC stainless steel SRDG ball bearings
ra
used in fish, poultry and other food process- can also be specified with a solid lubricant
ing applications. Examples of popular applica- pack that prevents grease washout during
ra
tions include automatic filleting and sizing washdowns and helps protect against con-
FFST, KSFFST, SFFST
Two shields equipment aboard fishing trawlers, and evis- tamination in harsh environments.
ceration equipment in poultry plants. Note: For equivalent load and life calculations see
D d page 47 and 48.
MRC stainless steel SRDG ball bearings
exhibit significantly longer life than standard
bearings in a wide range of demanding
ZZST, KSZZST, SZZST applications.
Two seals
Outside
Bore diameter Width Fillet radius1) Basic radial load rating Speed rating3)
Single and
Dynamic Static Open and shielded double sealed
MRC d D B ra ZD2 C2) C0 Grease Oil Grease
bearing
number mm in. mm in. mm in. mm in. mm in. N lbf N lbf rpm rpm rpm
38ZZST 8.0 .3150 22.0 .8661 7.0 .2756 .30 .012 110 .17 2 600 585 1 360 306 36 000 43 000 23 000
R2ST 3.2 .1250 9.5 .3750 4.0 .1562 .30 .012 19 .03 250 56 120 27 75 000 91 000 52 000
R2FFST 3.2 .1250 9.5 .3750 4.0 .1562 .30 .012 19 .03 250 56 120 27 75 000 91 000 52 000
R3FFST 4.8 .1875 12.7 .5000 5.0 .1960 .30 .012 39 .06 765 172 490 110 57 000 69 000 40 000
R3ZZST 4.8 .1875 12.7 .5000 5.0 .1960 .30 .012 39 .06 765 172 490 110 57 000 69 000 40 000
R4FFST 6.4 .2500 15.9 .6250 5.0 .1960 .30 .012 45 .07 1 180 266 620 139 44 000 54 000 31 000
R6FFST 9.5 .3750 22.2 .8750 7.1 .2812 .41 .016 110 .17 2 660 597 1 340 301 31 000 38 000 21 000
R6ZZST 9.5 .3750 22.2 .8750 7.1 .2812 .41 .016 110 .17 2 660 597 1 340 301 31 000 38 000 21 000
R8ST 12.7 .5000 28.6 1.1250 6.4 .2500 .41 .016 181 .28 4 060 912 2 400 540 24 000 29 000 16 000
R8FFST 12.7 .5000 28.6 1.1250 7.9 .3125 .41 .016 181 .28 4 060 912 2 400 540 24 000 29 000 16 000
R8ZZST 12.7 .5000 28.6 1.1250 7.9 .3125 .41 .016 181 .28 4 060 912 2 400 540 24 000 29 000 16 000
R10ZZST 15.9 .6250 34.9 1.3750 8.7 .3438 .79 .031 226 .35 4 840 1 090 3 250 731 18 000 22 000 13 000
R12FFST 19.1 .7500 41.3 1.6250 11.1 .4375 .79 .031 361 .56 7 490 1 680 5 100 1 150 16 000 19 000 11 000
R12ZZST 19.1 .7500 41.3 1.6250 11.1 .4375 .79 .031 361 .56 7 490 1 680 5 100 1 150 16 000 19 000 11 000
101KSZZST 12.0 .4724 28.0 1.1024 8.0 .3125 .30 .012 181 .28 4 060 912 2 360 530 26 000 32 000 17 000
102KSZZST 15.0 .5906 32.0 1.2598 9.0 .3543 .30 .012 206 .32 4 470 1 010 2 850 640 22 000 28 000 14 000
103KSZZST 17.0 .6693 35.0 1.3780 10.0 .3937 .30 .012 226 .35 4 840 1 090 3 250 730 19 000 24 000 13 000
104KSZZST 20.0 .7874 42.0 1.6535 12.0 .4724 .64 .025 361 .56 7 490 1 680 5 000 1 120 17 000 20 000 11 000
105KSZZST 25.0 .9843 47.0 1.8504 12.0 .4724 .64 .025 458 .71 8 960 2 010 6 550 1 470 15 000 18 000 9 500
106KSZZST 30.0 1.1811 55.0 2.1654 13.0 .5118 1.00 .040 561 .87 9 470 2 130 7 390 1 660 12 000 15 000 8 000
200SZZST 10.0 .3937 30.0 1.1811 9.0 .3543 .64 .025 181 .28 4 060 912 2 360 531 24 000 30 000 17 000
201SST 12.0 .4724 32.0 1.2598 10.0 .3937 .64 .025 252 .39 5 510 1 240 3 100 697 22 000 28 000 15 000
201SZZST 12.0 .4724 32.0 1.2598 10.0 .3937 .64 .025 252 .39 5 510 1 240 3 100 697 22 000 28 000 15 000
202SST 15.0 .5906 35.0 1.3780 11.0 .4331 .64 .025 290 .45 6 240 1 400 3 250 843 19 000 24 000 13 000
202SFFST 15.0 .5906 35.0 1.3780 11.0 .4331 .64 .025 290 .45 6 240 1 400 3 250 843 19 000 24 000 13 000
202SZZST 15.0 .5906 35.0 1.3780 11.0 .4331 .64 .025 290 .45 6 240 1 400 3 250 843 19 000 24 000 13 000
203SFFST 17.0 .6693 40.0 1.5748 12.0 .4724 .64 .025 361 .56 7 650 1 720 4 750 1 070 17 000 20 000 12 000
203SZZST 17.0 .6693 40.0 1.5748 12.0 .4724 .64 .025 361 .56 7 650 1 720 4 750 1 070 17 000 20 000 12 000
204SST 20.0 .7874 47.0 1.8504 14.0 .5512 1.00 .040 503 .78 10 200 2 280 6 550 1 470 15 000 18 000 10 000
204SZZST 20.0 .7874 47.0 1.8504 14.0 .5512 1.00 .040 503 .78 10 200 2 280 6 550 1 470 15 000 18 000 10 000
205SFFST 25.0 .9843 52.0 2.0472 15.0 .5906 1.00 .040 568 .88 11 200 2 520 7 800 1 750 12 000 15 000 8 500
205SZZST 25.0 .9843 52.0 2.0472 15.0 .5906 1.00 .040 568 .88 11 200 2 520 7 800 1 750 12 000 15 000 8 500
206SST 30.0 1.1811 62.0 2.4409 16.0 .6299 1.00 .040 819 1.27 15 600 3 510 11 200 2 520 10 000 13 000 7 500
206SFFST 30.0 1.1811 62.0 2.4409 16.0 .6299 1.00 .040 819 1.27 15 600 3 510 11 200 2 520 10 000 13 000 7 500
206SZZST 30.0 1.1811 62.0 2.4409 16.0 .6299 1.00 .040 819 1.27 15 600 3 510 11 200 2 520 10 000 13 000 7 500
207SZZST 35.0 1.3780 72.0 2.8346 17.0 .6693 1.00 .040 1 111 1.72 20 500 4 610 15 300 3 440 9 000 11 000 6 300
304SZZST 20.0 .7874 52.0 2.0472 15.0 .5906 1.00 .040 632 .98 12 700 2 860 7 800 1 750 13 000 16 000 9 500
305SZZST 25.0 .9843 62.0 2.4409 17.0 .6693 1.00 .040 864 1.34 17 000 3 810 10 800 2 430 11 000 14 000 7 500
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) Rating for one million revolutions or 500 hours at 331/3 rpm.
3) Listed values are for a pressed stainless steel cage; ABEC-1. The speed ratings have been determined through historical application and practice.
60
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61
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HNCR
spherical roller bearing series (SRB)
Outside
Bore diameter Width Fillet radius1) Basic radial load rating Speed rating
Dynamic Static
MRC d D B ra C2) C0 Grease Oil
bearing
number mm in. mm in. mm in. mm in. N lbf N lbf rpm rpm
-
DR22313-HNCR 65 2.5591 140 5.5118 48 1.8898 2.00 0.079 340000 76440 360000 80940 3800
DR22314-HNCR 70 2.7559 150 5.9055 51 2.0079 2.00 0.079 400000 89930 430000 96670 3400 -
DR22315-HNCR 75 2.9528 160 6.2992 55 2.1654 2.00 0.079 440000 98920 475000 106790 3200 -
DR22316-HNCR 80 3.1496 170 6.6929 58 2.2835 2.00 0.079 490000 110160 540000 121400 3000 -
DR22317-HNCR 85 3.3465 180 7.0866 60 2.3622 2.50 0.098 550000 123650 620000 139390 2800 -
DR22318-HNCR 90 3.5433 190 7.4803 64 2.5197 2.50 0.098 495000 111290 635500 142870 2600 -
DR22320-HNCR 100 3.9370 215 8.4646 73 2.8740 2.50 0.098 815000 183220 950000 213570 2400 -
DR22322-HNCR 110 4.3307 240 9.4488 80 3.1496 2.50 0.098 950000 213570 1120000 251790 2000 -
DR23226-HNCR 130 5.1181 230 9.0551 80 3.1496 2.50 0.098 780000 175360 1060000 238300 1900 -
62
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“Max-type” (M-type)
single-row filling-notch ball bearings
Series Page
100M Narrow-type light 64
200M Light 65
300M Medium 66
400M Heavy 67
Equivalent load and life 68
Life calculation examples 69
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Outside
Bore diameter Width Fillet radius1) Basic radial load rating Speed rating2)
110M4) 50 1.9685 90 3.5433 11 .4331 1.0 .04 18 700 4 200 19 600 4 400 5 600 6 800
113M4) 65 2.5591 115 4.5276 14 .5512 1.0 .04 31 900 7 170 36 500 8 210 4 400 5 400
117M4) 85 3.3465 145 5.7087 18 .7087 1.5 .06 58 300 13 100 68 000 15 300 3 400 4 200
120M 100 3.9370 160 6.2992 28 1.1024 2.0 .08 96 800 21 800 108 000 24 300 3 000 3 700
124M 120 4.7244 190 7.4803 32 1.2598 2.0 .08 123 000 27 700 146 000 32 800 2 500 3 100
126M 130 5.1181 205 8.0709 34 1.3386 2.0 .08 138 000 31 000 166 000 37 300 2 300 2 800
128M 140 5.5118 220 8.6614 36 1.4173 2.0 .08 157 000 35 300 190 000 42 800 2 100 2 600
132M 160 6.2992 250 9.8425 40 1.5748 2.0 .08 190 000 42 700 255 000 57 300 1 900 2 300
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) Listed values are for pressed steel or polyamide cage, ABEC-1.
The values have been determined through historical application and practice. For a more complete explanation, see page 272.
3) Rating for one million revolutions or 500 hours at 331/3 rpm.
4) Typically non-stocked sizes, please check availability before designing into equipment.
64
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Outside
Bore diameter Width Fillet radius1) Basic radial load rating Speed rating2)
202M4) 15 .5906 35 1.3780 11 .4331 .64 .025 8 250 1 850 5 100 1 150 16 000 20 000
203M4) 17 .6693 40 1.5748 12 .4724 .64 .025 8 970 2 020 6 000 1 350 14 000 17 000
204M4) 20 .7874 47 1.8504 14 .5512 1.00 .040 12 500 2 810 8 300 1 870 12 000 15 000
205M4) 25 .9843 52 2.0472 15 .5906 1.00 .040 16 100 3 620 11 200 2 510 11 000 13 000
206M 30 1.1811 62 2.4409 16 .6299 1.00 .040 22 900 5 150 17 000 3 820 9 000 11 000
207M 35 1.3780 72 2.8346 17 .6693 1.00 .040 29 700 6 680 22 800 5 130 7 800 9 500
208M 40 1.5748 80 3.1496 18 .7087 1.00 .040 33 600 7 550 26 500 5 960 7 000 8 500
209M 45 1.7717 85 3.3465 19 .7480 1.00 .040 39 300 8 840 32 500 7 310 6 200 7 500
210M 50 1.9685 90 3.5433 20 .7874 1.00 .040 39 100 8 790 34 500 7 760 5 700 7 000
211M 55 2.1654 100 3.9370 21 .8268 1.50 .060 48 400 10 900 44 000 9 890 5 200 6 300
212M 60 2.3622 110 4.3307 22 .8661 1.50 .060 56 100 12 600 51 000 11 500 4 900 6 000
213M 65 2.5591 120 4.7244 23 .9055 1.50 .060 69 300 15 600 65 500 14 700 4 300 5 300
214M 70 2.7559 125 4.9213 24 .9449 1.50 .060 69 300 15 600 65 500 14 700 4 100 5 000
215M 75 2.9528 130 5.1181 25 .9843 1.50 .060 74 800 16 800 72 000 16 200 3 900 4 800
216M 80 3.1496 140 5.5118 26 1.0236 2.00 .080 85 800 19 300 86 500 19 400 3 700 4 500
217M 85 3.3465 150 5.9055 28 1.1024 2.00 .080 88 000 19 800 93 000 20 900 3 500 4 300
218M 90 3.5433 160 6.2992 30 1.1811 2.00 .080 101 000 22 700 108 000 24 300 3 300 4 000
219M 95 3.7482 170 6.6929 32 1.2598 2.00 .080 111 000 25 000 118 000 26 500 3 100 3 800
220M 100 3.9370 180 7.0866 34 1.3386 2.00 .080 127 000 28 600 134 000 30 100 2 800 3 400
221M 105 4.1339 190 7.4803 36 1.4173 2.00 .080 142 000 31 900 153 000 34 400 2 600 3 200
222M 110 4.3307 215 7.8740 38 1.4961 2.00 .080 154 000 34 600 170 000 38 200 2 500 3 100
224M 120 4.7244 200 8.4646 40 1.5748 2.00 .080 172 000 38 700 200 000 45 000 2 300 2 800
226M 130 5.1181 230 9.0551 40 1.5748 2.50 .100 179 000 40 300 216 000 48 500 2 100 2 600
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) Listed values are for pressed steel or polyamide cage, ABEC-1.
The values have been determined through historical application and practice. For a more complete explanation, see page 272.
3) Rating for one million revolutions or 500 hours at 331/3 rpm.
4) Typically non-stocked sizes, please check availability before designing into equipment.
65
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Outside
Bore diameter Width Fillet radius1) Basic radial load rating Speed rating2)
303M 17 .6693 47 1.8504 14 .5512 1.0 .04 14 200 3 200 8 500 1 910 12 000 15 000
304M 20 .7874 52 2.0472 15 .5906 1.0 .04 15 900 3 570 10 200 2 280 11 000 14 000
305M 25 .9843 62 2.4409 17 .6693 1.0 .04 22 900 5 150 15 600 3 510 9 800 12 000
306M 30 1.1811 72 2.8346 19 .7480 1.0 .04 29 200 6 560 20 800 4 680 7 800 9 500
307M 35 1.3780 80 3.1496 21 .8268 1.5 .06 39 300 8 830 28 500 6 410 7 000 8 500
308M 40 1.5748 90 3.5433 23 .9055 1.5 .06 46 800 10 500 36 000 8 090 6 200 7 500
309M 45 1.7717 100 3.9370 25 .9843 1.5 .06 59 400 13 400 46 500 10 500 5 700 7 000
310M 50 1.9685 110 4.3307 27 1.0630 2.0 .08 64 400 14 500 52 000 11 700 5 200 6 300
311M 55 2.1654 120 4.7244 29 1.1417 2.0 .08 79 200 17 800 65 500 14 700 4 600 5 600
312M 60 2.3622 130 5.1181 31 1.2205 2.0 .08 91 300 20 500 78 000 17 500 4 300 5 300
313M 65 2.5591 140 5.5118 33 1.2992 2.0 .08 102 000 22 900 90 000 20 200 3 900 4 800
314M 70 2.7559 150 5.9055 35 1.3780 2.0 .08 114 000 25 600 102 000 22 900 3 700 4 500
315M 75 2.9528 160 6.2992 37 1.4567 2.0 .08 125 000 28 000 116 000 26 000 3 500 4 300
316M 80 3.1496 170 6.6929 39 1.5354 2.0 .08 138 000 31 000 129 000 29 000 3 300 4 000
317M 85 3.3465 180 7.0866 41 1.6142 2.5 .10 147 000 33 000 146 000 32 800 3 100 3 800
318M 90 3.5433 190 7.4803 43 1.6929 2.5 .10 157 000 35 300 160 000 36 000 2 800 3 400
319M 95 3.7402 200 7.8740 45 1.7717 2.5 .10 168 000 37 800 180 000 40 500 2 600 3 200
320M 100 3.9370 215 8.4646 47 1.8504 2.5 .10 194 000 43 600 212 000 47 700 2 500 3 000
321M 105 4.1339 225 8.8583 49 1.9291 2.5 .10 205 000 46 100 232 000 52 200 2 400 2 900
322M 110 4.3307 240 9.4488 50 1.9685 2.5 .10 216 000 48 600 250 000 56 200 2 200 2 700
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) Listed values are for pressed steel or polyamide cage, ABEC-1.
The values have been determined through historical application and practice. For a more complete explanation, see page 272.
3) Rating for one million revolutions or 500 hours at 331/3 rpm.
66
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Outside
Bore diameter Width Fillet radius1) Basic radial load rating Speed rating2)
403M 17 .6693 62 2.4409 17 .6693 1.0 .04 23 300 5 240 14 600 3 280 11 000 13 000
404M 20 .7874 72 2.8346 19 .7480 1.0 .04 29 200 6 560 18 600 4 210 9 000 11 000
405M 25 .9843 80 3.1496 21 .8268 1.5 .06 35 800 8 050 23 600 5 270 7 700 9 400
406M 30 1.1811 90 3.5433 23 .9055 1.5 .06 45 700 10 300 32 500 7 310 6 200 7 500
407M 35 1.3780 100 3.9370 25 .9843 1.5 .06 53 900 12 100 39 000 8 770 5 600 6 800
408M 40 1.5748 110 4.3307 27 1.0630 2.0 .08 68 200 15 300 52 000 11 700 5 300 6 500
409M 45 1.7717 120 4.7244 29 1.1417 2.0 .08 78 100 17 600 61 000 13 700 4 800 5 900
410M 50 1.9685 130 5.1181 31 1.2205 2.0 .08 88 000 19 800 71 000 16 000 4 400 5 400
411M 55 2.1654 140 5.5118 33 1.2992 2.0 .08 108 000 24 200 90 000 20 200 4 100 5 000
412M 60 2.3622 150 5.9055 35 1.3780 2.0 .08 117 000 26 200 102 000 22 900 3 800 4 600
413M 65 2.5591 160 6.2992 37 1.4567 2.0 .08 128 000 28 800 112 000 25 200 3 400 4 100
414M 70 2.7559 180 7.0866 42 1.6535 2.5 .10 147 000 33 100 140 000 31 500 3 200 3 900
415M 75 2.9528 190 7.4803 45 1.7717 2.5 .10 157 000 55 300 153 000 34 400 3 000 3 600
416M 80 3.1496 200 7.8740 48 1.8898 2.5 .10 176 000 89 600 176 000 39 600 2 800 3 400
417M 85 3.3465 210 8.2677 52 2.0472 3.0 .12 190 000 42 700 200 000 45 000 2 600 3 200
418M 90 3.5433 225 8.8583 54 2.1260 3.0 .12 198 000 44 500 212 000 47 700 2 500 3 000
419M 95 3.7402 250 9.8425 55 2.1654 3.0 .12 229 000 51 500 260 000 58 500 2 300 2 800
420M 100 3.9370 265 10.4331 60 2.3622 3.0 .12 251 000 56 500 300 000 67 400 2 100 2 600
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) Listed values are for pressed steel or polyamide cage, ABEC-1.
The values have been determined through historical application and practice. For a more complete explanation, see page 272.
3) Rating for one million revolutions or 500 hours at 331/3 rpm.
67
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Life rating
( CP )
3
L10 = (millions of revolutions)
or
106
( CP )
3
L10h = (hours)
60n
C = Basic dynamic load rating
P = Dynamic equivalent radial load
n = Speed in rpm
68
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Case 1
Radial load (FR) = 1890
Equivalent load (P) = FR + FA
P = FR = 1890
( CP ) = ( 13400
3 3
1890 )
Life (L10) = = 356 × 10 Rev.
6
or
13400
60n ( P ) 60 × 2000 ( 1890 )
10
6
C 3 10 6
Life (L10 ) =
h
=
= 2967 Hrs
Case 2
Radial load (FR) = 1890
Thrust load (FA) = 950
FA/ FR = 950/1890 = 0.50
Since FA/ FR < 0.60
P = FR +FA = 1890 + 950 = 2840
C 3 13400 3
()(
Life (L10) = P =
2840 )
= 105 × 106 Rev.
or
106 3
Life (L10h) =
60n
=
13400 3
(
2840
= )
106 13400
60 × 2000 2840 ( )
= 875 Hrs
Case 3
Radial load (FR) = 1890
Thrust load (FA) = 1250
FA/FR = 1250/1890 = 0.66
Since FA/ FR > 0.60, use a non-filling notch bearing.
69
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70
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Series Page
100 73
1200, 1200E 73
1300, 1300E 74
1400 74
2200, 2200E 75
2300, 2300E 75
1200K, 1200EK Tapered bore 76
1300K, 1300EK Tapered bore 76
2200K, 2200EK Tapered bore 77
2300K, 2300EK Tapered bore 77
1200K, 1200EK Tapered bore with adapter sleeve 78
1300K, 1300EK Tapered bore with adapter sleeve 78
2200K, 2200EK Tapered bore with adapter sleeve 79
2300K, 2300EK Tapered bore with adapter sleeve 79
2200E2RS1 Two seals 80
2300E2RS1 Two seals 80
2200E2RS1K Two seals and tapered bore 80
11200E Extended inner ring 81
11300E Extended inner ring 81
Internal clearance 82
Allowable angular misalignment 82
Equivalent load and life 83
Life calculation examples 83
Minimum required radial load 83
Ball protrusion beyond bearing face 85
Mounting procedure 86
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72
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B
ra
ra
D d
Cylindrical bore
135 5 .1969 19 .7480 6 .2362 .30 .012 .33 1.9 3.0 2.0 2 510 564 480 108 32 000 38 000
126 6 .2362 19 .7480 6 .2362 .30 .012 .33 1.9 3.0 2.0 2 510 564 480 108 32 000 38 000
127 7 .2756 22 .8661 7 .2756 .30 .012 .33 1.9 3.0 2.0 2 650 596 560 126 30 000 36 000
108 8 .3150 22 .8661 7 .2756 .30 .012 .33 1.9 3.0 2.0 2 650 596 560 126 30 000 36 000
129 9 .3543 26 1.0236 8 .3150 .60 .024 .33 1.9 3.0 2.0 3 900 877 815 183 26 000 32 000
1200E 10 .3937 30 1.1811 9 .3543 .60 .024 .33 1.9 3.0 2.0 5 530 1 240 1 180 265 24 000 30 000
1201E 12 .4724 32 1.2598 10 .3937 .60 .024 .33 1.9 3.0 2.0 6 240 1 400 1 430 321 22 000 28 000
1202E 15 .5906 35 1.3780 11 .4331 .60 .024 .33 1.9 3.0 2.0 7 410 1 670 1 760 396 19 000 24 000
1203E 17 .6693 40 1.5748 12 .4724 .60 .024 .31 2.0 3.1 2.2 8 840 1 990 2 200 495 18 000 22 000
1204E 20 .7874 47 1.8504 14 .5512 1.0 .039 .30 2.1 3.3 2.2 12 700 2 860 3 400 764 15 000 18 000
1205E 25 .9843 52 2.0472 15 .5906 1.0 .039 .28 2.2 3.5 2.5 14 300 3 220 4 000 899 13 000 16 000
1206E 30 1.1811 62 2.4409 16 .6299 1.0 .039 .25 2.5 3.9 2.5 15 600 3 510 4 650 1 050 10 000 13 000
1207E 35 1.3780 72 2.8346 17 .6693 1.0 .039 .23 2.7 4.2 2.8 19 000 4 270 6 000 1 350 9 000 11 000
1208E 40 1.5748 80 3.1496 18 .7087 1.0 .039 .22 2.9 4.5 2.8 19 900 4 470 6 950 1 560 8 500 10 000
1209E 45 1.7717 85 3.3465 19 .7480 1.0 .039 .21 3.0 4.6 3.2 22 900 5 150 7 800 1 750 7 500 9 000
1210E 50 1.9685 90 3.5433 20 .7874 1.0 .039 .21 3.0 4.6 3.2 26 500 5 960 9 150 2 060 7 000 8 500
1211E 55 2.1654 100 3.9370 21 .8268 1.5 .059 .19 3.3 5.1 3.6 27 600 6 210 10 600 2 380 6 300 7 500
1212E 60 2.3622 110 4.3307 22 .8661 1.5 .059 .19 3.3 5.1 3.6 31 200 7 010 12 200 2 740 5 600 6 700
1213E 65 2.5591 120 4.7244 23 .9055 1.5 .059 .18 3.5 5.4 3.6 35 100 7 890 14 000 3 150 5 300 6 300
1214 70 2.7559 125 4.9213 24 .9449 1.5 .059 .18 3.5 5.4 3.6 34 500 7 760 13 700 3 080 5 000 6 000
1215 75 2.9528 130 5.1181 25 .9843 1.5 .059 .17 3.7 5.7 4.0 39 000 8 770 15 600 3 510 4 800 5 600
1216 80 3.1496 140 5.5118 26 1.0236 2.0 .079 .16 3.9 6.1 4.0 39 700 8 930 17 000 3 820 4 500 5 300
1217 85 3.3465 150 5.9055 28 1.1024 2.0 .079 .17 3.7 5.7 4.0 48 800 11 000 20 800 4 680 4 000 4 800
1218 90 3.5433 160 6.2992 30 1.1811 2.0 .079 .17 3.7 5.7 4.0 57 200 12 900 23 600 5 310 3 800 4 500
1219 95 3.7402 170 6.6929 32 1.2598 2.0 .079 .17 3.7 5.7 4.0 63 700 14 300 27 000 6 070 3 600 4 300
1220 100 3.9370 180 7.0866 34 1.3386 2.0 .079 .17 3.7 5.7 4.0 68 900 15 500 30 000 6 740 3 400 4 000
1221 105 4.1339 190 7.4803 36 1.4173 2.0 .079 .17 3.7 5.7 4.0 74 100 16 700 32 500 7 310 3 200 3 800
1222 110 4.3307 200 7.8740 38 1.4961 2.0 .079 .17 3.7 5.7 4.0 88 400 19 900 39 000 8 770 3 000 3 600
1224 120 4.7244 215 8.4646 42 1.6535 2.0 .079 .19 3.3 5.1 3.6 119 000 26 800 53 000 11 900 2 800 3 400
1226 130 5.1181 230 9.0551 46 1.8110 2.5 .098 .19 3.3 5.1 3.6 127 000 28 600 58 500 13 200 2 600 3 200
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) Rating for one million revolutions or 500 hours at 331/3 rpm.
73
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ra
D d
Cylindrical bore
1301E 12 .4724 37 1.4567 12 .4724 1.0 .039 .35 1.8 2.8 1.8 9 360 2 100 2 160 486 18 000 22 000
1302E 15 .5906 42 1.6535 13 .5118 1.0 .039 .31 2.0 3.1 2.2 10 800 2 430 2 600 585 17 000 20 000
1303E 17 .6693 47 1.8504 14 .5512 1.0 .039 .30 2.1 3.3 2.2 12 700 2 860 3 400 764 14 000 17 000
1304E 20 .7874 52 2.0472 15 .5906 1.0 .039 .28 2.2 3.5 2.5 14 300 3 220 4 000 899 12 000 15 000
1305E 25 .9843 62 2.4409 17 .6693 1.0 .039 .28 2.2 3.5 2.5 19 000 4 270 5 400 1 210 9 500 12 000
1306E 30 1.1811 72 2.8346 19 .7480 1.0 .039 .25 2.5 3.9 2.5 22 500 5 060 6 800 1 530 9 000 11 000
1307E 35 1.3780 80 3.1496 21 .8268 1.5 .059 .25 2.5 3.9 2.5 26 500 5 960 8 500 1 910 7 500 9 000
1308E 40 1.5748 90 3.5433 23 .9055 1.5 .059 .23 2.7 4.2 2.8 33 800 7 600 11 200 2 520 6 700 8 000
1309E 45 1.7717 100 3.9370 25 .9843 1.5 .059 .23 2.7 4.2 2.8 39 000 8 770 13 400 3 010 6 300 7 500
1310E 50 1.9685 110 4.3307 27 1.0630 2.0 .079 .24 2.6 4.1 2.8 43 600 9 800 14 000 3 150 5 600 6 700
1311E 55 2.1654 120 4.7244 29 1.1417 2.0 .079 .23 2.7 4.2 2.8 50 700 11 400 18 000 4 050 5 000 6 000
1312E 60 2.3622 130 5.1181 31 1.2205 2.0 .079 .23 2.7 4.2 2.8 58 500 13 200 22 000 4 950 4 500 5 300
1313E 65 2.5591 140 5.5118 33 1.2992 2.0 .079 .22 2.9 4.5 2.8 65 000 14 600 25 500 5 730 4 300 5 000
1314 70 2.7559 150 5.9055 35 1.3780 2.0 .079 .22 2.9 4.5 2.8 74 100 16 700 27 500 6 180 4 000 4 800
1315 75 2.9528 160 6.2992 37 1.4567 2.0 .079 .22 2.9 4.5 2.8 79 300 17 800 30 000 6 740 3 800 4 500
1316 80 3.1496 170 6.6929 39 1.5354 2.0 .079 .22 2.9 4.5 2.8 88 400 19 900 33 500 7 530 3 600 4 300
1317 85 3.3465 180 7.0866 41 1.6142 2.5 .098 .22 2.9 4.5 2.8 97 500 21 900 38 000 8 540 3 400 4 000
1318 90 3.5433 190 7.4803 43 1.6929 2.5 .098 .22 2.9 4.5 2.8 117 000 26 300 44 000 9 890 3 200 3 800
1319 95 3.7402 200 7.8740 45 1.7717 2.5 .098 .23 2.7 4.2 2.8 133 000 29 900 51 000 11 500 3 000 3 600
1320 100 3.9370 215 8.4646 47 1.8504 2.5 .098 .23 2.7 4.2 2.8 143 000 32 200 57 000 12 800 2 800 3 400
1322 110 4.3307 240 9.4488 50 1.9685 2.5 .098 .22 2.9 4.5 2.8 163 000 36 600 72 000 16 200 2 400 3 000
1406 30 1.1811 90 3.5433 28 1.1024 1.5 .059 .40 1.6 2.4 1.6 59 200 13 300 17 000 3 820 6 700 8 000
1407 35 1.3780 100 3.9370 30 1.1811 1.5 .059 .37 1.7 2.6 1.8 62 400 14 000 18 000 4 050 6 300 7 500
1408 40 1.5748 110 4.3307 33 1.2992 2.0 .079 .35 1.8 2.8 1.8 76 100 17 100 23 600 5 310 5 300 6 300
1409 45 1.7717 120 4.7244 35 1.3780 2.0 .079 .35 1.8 2.8 1.8 88 400 19 900 27 500 6 180 5 000 6 000
1410 50 1.9685 130 5.1181 37 1.4567 2.0 .079 .35 1.8 2.8 1.8 101 000 22 700 32 000 7 190 4 800 5 600
1411 55 2.1654 140 5.5118 40 1.5748 2.0 .079 .33 1.9 3.0 2.0 111 000 25 000 36 500 8 210 4 300 5 000
1412 60 2.3622 150 5.9055 42 1.6535 2.0 .079 .33 1.9 3.0 2.0 125 000 28 100 41 500 9 330 3 800 4 500
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) Rating for one million revolutions or 500 hours at 331/3 rpm.
74
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D d
Cylindrical bore
2200E 10 .3937 30 1.1811 14 .5512 .60 .024 .54 1.15 1.8 1.3 8 060 1 810 1 730 389 22 000 28 000
2201E 12 .4724 32 1.2598 14 .5512 .60 .024 .50 1.25 2 1.3 8 520 1 920 1 900 427 20 000 26 000
2202E 15 .5906 35 1.3780 14 .5512 .60 .024 .43 1.50 2.3 1.6 8 710 1 960 2 040 459 18 000 22 000
2203E 17 .6693 40 1.5748 16 .6299 .60 .024 .43 1.50 2.3 1.6 10 600 2 380 2 550 573 17 000 20 000
2204E 20 .7874 47 1.8504 18 .7087 1.0 .039 .40 1.60 2.4 1.6 16 800 3 780 4 150 933 14 000 17 000
2205E 25 .9843 52 2.0472 18 .7087 1.0 .039 .35 1.80 2.8 1.8 16 800 3 780 4 400 989 11 000 14 000
2206E 30 1.1811 62 2.4409 20 .7874 1.0 .039 .33 1.90 3 2.0 23 800 5 350 6 700 1 510 9 500 12 000
2207E 35 1.3780 72 2.8346 23 .9055 1.0 .039 .31 2.00 3.1 2.2 30 700 6 900 8 800 1 980 8 500 10 000
2208E 40 1.5748 80 3.1496 23 .9055 1.0 .039 .28 2.20 3.5 2.5 31 900 7 170 10 000 2 250 7 500 9 000
2209E 45 1.7717 85 3.3465 23 .9055 1.0 .039 .26 2.40 3.7 2.5 32 500 7 310 10 600 2 380 7 000 8 500
2210E 50 1.9685 90 3.5433 23 .9055 1.0 .039 .23 2.70 4.2 2.8 33 800 7 600 11 200 2 520 6 300 7 500
2211E 55 2.1654 100 3.9370 25 .9843 1.5 .059 .23 2.70 4.2 2.8 39 000 8 770 13 400 3 010 6 000 7 000
2212E 60 2.3622 110 4.3307 28 1.1024 1.5 .059 .24 2.60 4.1 2.8 48 800 11 000 17 000 3 820 5 300 6 300
2213E 65 2.5591 120 4.7244 31 1.2205 1.5 .059 .24 2.60 4.1 2.8 57 200 12 900 20 000 4 500 5 000 6 000
2214 70 2.7559 125 4.9213 31 1.2205 1.5 .059 .27 2.30 3.6 2.5 44 200 9 940 17 000 3 820 4 800 5 600
2215 75 2.9528 130 5.1181 31 1.2205 1.5 .059 .25 2.50 3.9 2.5 44 200 9 940 18 000 4 050 4 500 5 300
2216E 80 3.1496 140 5.5118 33 1.2992 2.0 .079 .22 2.90 4.5 2.8 65 000 14 600 25 500 5 730 4 000 4 800
2217 85 3.3465 150 5.9055 36 1.4173 2.0 .079 .25 2.50 3.9 2.5 58 500 13 200 23 600 5 310 3 800 4 500
2218 90 3.5433 160 6.2992 40 1.5748 2.0 .079 .27 2.30 3.6 2.5 70 200 15 800 28 500 6 410 3 600 4 300
2219 95 3.7402 170 6.6929 43 1.6929 2.0 .079 .27 2.30 3.6 2.5 83 200 18 700 34 500 7 760 3 400 4 000
2220 100 3.9370 180 7.0866 46 1.8110 2.0 .079 .27 2.30 3.6 2.5 97 500 21 900 40 500 9 110 3 200 3 800
2221 105 4.1339 190 7.4803 50 1.9685 2.0 .079 .28 2.20 3.5 2.5 108 000 24 300 45 000 10 100 3 000 3 600
2222 110 4.3307 200 7.8740 53 2.0866 2.0 .079 .28 2.20 3.5 2.5 124 000 27 900 52 000 11 700 2 800 3 400
2301 12 .4724 37 1.4567 17 .6693 1.0 .039 .60 1.05 1.6 1.1 11 700 2 630 2 700 607 17 000 20 000
2302 15 .5906 42 1.6535 17 .6693 1.0 .039 .52 1.20 1.9 1.3 11 900 2 680 2 900 652 15 000 18 000
2303 17 .6693 47 1.8504 19 .7480 1.0 .039 .52 1.20 1.9 1.3 14 600 3 280 3 550 798 13 000 16 000
2304 20 .7874 52 2.0472 21 .8268 1.0 .039 .52 1.20 1.9 1.3 18 200 4 090 4 750 1 070 11 000 14 000
2305 25 .9843 62 2.4409 24 .9449 1.0 .039 .48 1.30 2 1.4 24 200 5 440 6 550 1 470 9 500 12 000
2306 30 1.1811 72 2.8346 27 1.0630 1.0 .039 .44 1.40 2.2 1.4 31 200 7 010 8 800 1 980 8 500 10 000
2307E 35 1.3780 80 3.1496 31 1.2205 1.5 .059 .46 1.35 2.1 1.4 39 700 8 930 11 200 2 520 7 000 8 500
2308E 40 1.5748 90 3.5433 33 1.2992 1.5 .059 .40 1.60 2.4 1.6 54 000 12 100 16 000 3 600 6 300 7 500
2309E 45 1.7717 100 3.9370 36 1.4173 1.5 .059 .33 1.90 3 2.0 63 700 14 300 19 300 4 340 5 600 6 700
2310 50 1.9685 110 4.3307 40 1.5748 2.0 .079 .43 1.50 2.3 1.6 63 700 14 300 20 000 4 500 5 300 6 300
2311 55 2.1654 120 4.7244 43 1.6929 2.0 .079 .40 1.60 2.4 1.6 76 100 17 100 24 000 5 400 4 800 5 600
2312 60 2.3622 130 5.1181 46 1.8110 2.0 .079 .33 1.90 3 2.0 87 100 19 600 28 500 6 410 4 500 5 300
2313 65 2.5591 140 5.5118 48 1.8898 2.0 .079 .37 1.70 2.6 1.8 95 600 21 500 32 500 7 310 4 000 4 800
2314 70 2.7559 150 5.9055 51 2.0079 2.0 .079 .37 1.70 2.6 1.8 111 000 25 000 37 500 8 430 3 800 4 500
2315 75 2.9528 160 6.2992 55 2.1654 2.0 .079 .37 1.70 2.6 1.8 124 000 27 900 43 000 9 670 3 400 4 000
2316 80 3.1496 170 6.6929 58 2.2835 2.0 .079 .37 1.70 2.6 1.8 135 000 30 400 49 000 11 000 3 200 3 800
2317 85 3.3465 180 7.0866 60 2.3622 2.5 .098 .37 1.70 2.6 1.8 140 000 31 500 51 000 11 500 3 000 3 600
2318 90 3.5433 190 7.4803 64 2.5197 2.5 .098 .37 1.70 2.6 1.8 153 000 34 400 57 000 12 800 2 800 3 400
2319 95 3.7402 200 7.8740 67 2.6378 2.5 .098 .37 1.70 2.6 1.8 165 000 37 100 64 000 14 400 2 600 3 200
2320 100 3.9370 215 8.4646 73 2.8740 2.5 .098 .37 1.70 2.6 1.8 190 000 42 700 80 000 18 000 2 400 3 000
2322 110 4.3307 240 9.4488 80 3.1496 2.5 .098 .37 1.70 2.6 1.8 216 000 48 600 95 000 21 400 2 200 2 800
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) Rating for one million revolutions or 500 hours at 331/3 rpm.
75
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ra
D d
Tapered bore
taper 1:12 on diameter
1204EK 20 .7874 47 1.8504 14 .5512 1.0 .039 .30 2.1 3.3 2.2 12 700 2 860 3 400 764 15 000 18 000
1205EK 25 .9843 52 2.0472 15 .5906 1.0 .039 .28 2.2 3.5 2.5 14 300 3 220 4 000 899 13 000 16 000
1206EK 30 1.1811 62 2.4409 16 .6299 1.0 .039 .25 2.5 3.9 2.5 15 600 3 510 4 650 1 050 10 000 13 000
1207EK 35 1.3780 72 2.8346 17 .6693 1.0 .039 .23 2.7 4.2 2.8 19 000 4 270 6 000 1 350 9 000 11 000
1208EK 40 1.5748 80 3.1496 18 .7087 1.0 .039 .22 2.9 4.5 2.8 19 900 4 470 6 950 1 560 8 500 10 000
1209EK 45 1.7717 85 3.3465 19 .7480 1.0 .039 .21 3.0 4.6 3.2 22 900 5 150 7 800 1 750 7 500 9 000
1210EK 50 1.9685 90 3.5433 20 .7874 1.0 .039 .21 3.0 4.6 3.2 26 500 5 960 9 150 2 060 7 000 8 500
1211EK 55 2.1654 100 3.9370 21 .8268 1.5 .059 .19 3.3 5.1 3.6 27 600 6 210 10 600 2 380 6 300 7 500
1212EK 60 2.3622 110 4.3307 22 .8661 1.5 .059 .19 3.3 5.1 3.6 31 200 7 010 12 200 2 740 5 600 6 700
1213EK 65 2.5591 120 4.7244 23 .9055 1.5 .059 .18 3.5 5.4 3.6 35 100 7 890 14 000 3 150 5 300 6 300
1215K 75 2.9528 130 5.1181 25 .9843 1.5 .059 .17 3.7 5.7 4.0 39 000 8 770 15 600 3 510 4 800 5 600
1216K 80 3.1496 140 5.5118 26 1.0236 2.0 .079 .16 3.9 6.1 4.0 39 700 8 930 17 000 3 820 4 500 5 300
1217K 85 3.3465 150 5.9055 28 1.1024 2.0 .079 .17 3.7 5.7 4.0 48 800 11 000 20 800 4 680 4 000 4 800
1218K 90 3.5433 160 6.2992 30 1.1811 2.0 .079 .17 3.7 5.7 4.0 57 200 12 900 23 600 5 310 3 800 4 500
1219K 95 3.7402 170 6.6929 32 1.2598 2.0 .079 .17 3.7 5.7 4.0 63 700 14 300 27 000 6 070 3 600 4 300
1220K 100 3.9370 180 7.0866 34 1.3386 2.0 .079 .17 3.7 5.7 4.0 68 900 15 500 30 000 6 740 3 400 4 000
1221K 105 4.1339 190 7.4803 36 1.4173 2.0 .079 .17 3.7 5.7 4.0 74 100 16 700 32 500 7 310 3 200 3 800
1222K 110 4.3307 200 7.8740 38 1.4961 2.0 .079 .17 3.7 5.7 4.0 88 400 19 900 39 000 8 770 3 000 3 600
1224K 120 4.7244 215 8.4646 42 1.6535 2.0 .079 .19 3.3 5.1 3.6 11 900 26 800 53 000 11 900 2 800 3 400
1304EK 20 .7874 52 2.0472 15 .5906 1.0 .039 .28 2.2 3.5 2.5 14 300 3 220 4 000 899 12 000 15 000
1305EK 25 .9843 62 2.4409 17 .6693 1.0 .039 .28 2.2 3.5 2.5 19 000 4 270 5 400 1 210 9 500 12 000
1306EK 30 1.1811 72 2.8346 19 .7480 1.0 .039 .25 2.5 3.9 2.5 22 500 5 060 6 800 1 530 9 000 11 000
1307EK 35 1.3780 80 3.1496 21 .8268 1.5 .059 .25 2.5 3.9 2.5 26 500 5 960 8 500 1 910 7 500 9 000
1308EK 40 1.5748 90 3.5433 23 .9055 1.5 .059 .23 2.7 4.2 2.8 33 800 7 600 11 200 2 520 6 700 8 000
1309EK 45 1.7717 100 3.9370 25 .9843 1.5 .059 .23 2.7 4.2 2.8 39 000 8 770 13 400 3 010 6 300 7 500
1310EK 50 1.9685 110 4.3307 27 1.0630 2.0 .079 .24 2.6 4.1 2.8 43 600 9 800 14 000 3 150 5 600 6 700
1311EK 55 2.1654 120 4.7244 29 1.1417 2.0 .079 .23 2.7 4.2 2.8 50 700 11 400 18 000 4 050 5 000 6 000
1312EK 60 2.3622 130 5.1181 31 1.2205 2.0 .079 .23 2.7 4.2 2.8 58 500 13 200 22 000 4 950 4 500 5 300
1313EK 65 2.5591 140 5.5118 33 1.2992 2.0 .079 .22 2.9 4.5 2.8 65 000 14 600 25 500 5 730 4 300 5 000
1315K 75 2.9528 160 6.2992 37 1.4567 2.0 .079 .22 2.9 4.5 2.8 79 300 17 800 30 000 6 740 3 800 4 500
1316K 80 3.1496 170 6.6929 39 1.5354 2.0 .079 .22 2.9 4.5 2.8 88 400 19 900 33 500 7 530 3 600 4 300
1317K 85 3.3465 180 7.0866 41 1.6142 2.5 .098 .22 2.9 4.5 2.8 97 500 21 900 38 000 8 540 3 400 4 000
1318K 90 3.5433 190 7.4803 43 1.6929 2.5 .098 .22 2.9 4.5 2.8 117 000 26 300 44 000 9 890 3 200 3 800
1319K 95 3.7402 200 7.8740 45 1.7717 2.5 .098 .23 2.7 4.2 2.8 133 000 29 900 51 000 11 500 3 000 3 600
1320K 100 3.9370 215 8.4646 47 1.8504 2.5 .098 .23 2.7 4.2 2.8 143 000 32 200 57 000 12 800 2 800 3 400
1322K 110 4.3307 240 9.4488 50 1.9685 2.5 .098 .22 2.9 4.5 2.8 163 000 36 600 72 000 16 200 2 400 3 000
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) Rating for one million revolutions or 500 hours at 331/3 rpm.
76
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ra
D d
Tapered bore
taper 1:12 on diameter
2205EK 25 .9843 52 2.0472 18 .7087 1.0 .039 .35 1.8 2.8 1.8 16 800 3 780 4 400 989 11 000 14 000
2206EK 30 1.1811 62 2.4409 20 .7874 1.0 .039 .33 1.9 3.0 2.0 23 800 5 350 6 700 1 510 9 500 12 000
2207EK 35 1.3780 72 2.8346 23 .9055 1.0 .039 .31 2.0 3.1 2.2 30 700 6 900 8 800 1 980 8 500 10 000
2208EK 40 1.5748 80 3.1496 23 .9055 1.0 .039 .28 2.2 3.5 2.5 31 900 7 170 10 000 2 250 7 500 9 000
2209EK 45 1.7717 85 3.3465 23 .9055 1.0 .039 .26 2.4 3.7 2.5 32 500 7 310 10 600 2 380 7 000 8 500
2210EK 50 1.9685 90 3.5433 23 .9055 1.0 .039 .23 2.7 4.2 2.8 33 800 7 600 11 200 2 520 6 300 7 500
2211EK 55 2.1654 100 3.9370 25 .9843 1.5 .059 .23 2.7 4.2 2.8 39 000 8 770 13 400 3 010 6 000 7 000
2212EK 60 2.3622 110 4.3307 28 1.1024 1.5 .059 .24 2.6 4.1 2.8 48 800 11 000 17 000 3 820 5 300 6 300
2213EK 65 2.5591 120 4.7244 31 1.2205 1.5 .059 .24 2.6 4.1 2.8 57 200 12 900 20 000 4 500 5 000 6 000
2215K 75 2.9528 130 5.1181 31 1.2205 1.5 .059 .25 2.5 3.9 2.5 44 200 9 940 18 000 4 050 4 500 5 300
2216EK 80 3.1496 140 5.5118 33 1.2992 2.0 .079 .22 2.9 4.5 2.8 65 000 14 600 25 500 5 730 4 000 4 800
2217K 85 3.3465 150 5.9055 36 1.4173 2.0 .079 .25 2.5 3.9 2.5 58 500 13 200 23 600 5 310 3 800 4 500
2218K 90 3.5433 160 6.2992 40 1.5748 2.0 .079 .27 2.3 3.6 2.5 70 200 15 800 28 500 6 410 3 600 4 300
2219K 95 3.7402 170 6.6929 43 1.6929 2.0 .079 .27 2.3 3.6 2.5 83 200 18 700 34 500 7 760 3 400 4 000
2220K 100 3.9370 180 7.0866 46 1.8110 2.0 .079 .27 2.3 3.6 2.5 97 500 21 900 40 500 9 110 3 200 3 800
2221K 105 4.1339 190 7.4803 50 1.9685 2.0 .079 .28 2.2 3.5 2.5 108 000 24 300 45 000 10 100 3 000 3 600
2222K 110 4.3307 200 7.8740 53 2.0866 2.0 .079 .28 2.2 3.5 2.5 124 000 27 900 52 000 11 700 2 800 3 400
2305K 25 .9843 62 2.4409 24 .9449 1.0 .039 .48 1.3 2.0 1.4 24 200 5 440 6 550 1 470 9 500 12 000
2306K 30 1.1811 72 2.8346 27 1.0630 1.0 .039 .44 1.4 2.2 1.4 31 200 7 010 8 800 1 980 8 500 10 000
2307EK 35 1.3780 80 3.1496 31 1.2205 1.5 .059 .46 1.3 2.1 1.4 39 700 8 930 11 200 2 520 7 000 8 500
2308EK 40 1.5748 90 3.5433 33 1.2992 1.5 .059 .40 1.6 2.4 1.6 54 000 12 100 16 000 3 600 6 300 7 500
2309EK 45 1.7717 100 3.9370 36 1.4173 1.5 .059 .33 1.9 3.0 2.0 63 700 14 300 19 300 4 340 5 600 6 700
2310K 50 1.9685 110 4.3307 40 1.5748 2.0 .079 .43 1.5 2.3 1.6 63 700 14 300 20 000 4 500 5 300 6 300
2311K 55 2.1654 120 4.7244 43 1.6929 2.0 .079 .40 1.6 2.4 1.6 76 100 17 100 24 000 5 400 4 800 5 600
2312K 60 2.3622 130 5.1181 46 1.8110 2.0 .079 .33 1.9 3.0 2.0 87 100 19 600 28 500 6 410 4 500 5 300
2313K 65 2.5591 140 5.5118 48 1.8898 2.0 .079 .37 1.7 2.6 1.8 95 600 21 500 32 500 7 310 4 000 4 800
2315K 75 2.9528 160 6.2992 55 2.1654 2.0 .079 .37 1.7 2.6 1.8 124 000 27 900 43 000 9 670 3 400 4 000
2316K 80 3.1496 170 6.6929 58 2.2835 2.0 .079 .37 1.7 2.6 1.8 135 000 30 400 49 000 11 000 3 200 3 800
2317K 85 3.3465 180 7.0866 60 2.3622 2.5 .098 .37 1.7 2.6 1.8 140 000 31 500 51 000 11 500 3 000 3 600
2318K 90 3.5433 190 7.4803 64 2.5197 2.5 .098 .37 1.7 2.6 1.8 153 000 34 400 57 000 12 800 2 800 3 400
2319K 95 3.7402 200 7.8740 67 2.6378 2.5 .098 .37 1.7 2.6 1.8 165 000 37 100 64 000 14 400 2 600 3 200
2320K 100 3.9370 215 8.4646 73 2.8740 2.5 .098 .37 1.7 2.6 1.8 190 000 42 700 80 000 18 000 2 400 3 000
2322K 110 4.3307 240 9.4488 80 3.1496 2.5 .098 .37 1.7 2.6 1.8 216 000 48 600 95 000 21 400 2 200 2 800
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) Rating for one million revolutions or 500 hours at 331/3 rpm.
77
www.bergab.ru Берг АБ prom@bergab.ru Тел.(495)-228-06-21,факс (495) 223-3071
D d
Tapered bore
taper 1:12 on diameter
1204EK H204 17 .6693 47 1.8504 14 .5512 1.0 .039 .30 2.1 3.3 2.2 12 700 2 860 3 400 764 15 000 18 000
1205EK H205 20 .7874 52 2.0472 15 .5906 1.0 .039 .28 2.2 3.5 2.5 14 300 3 220 4 000 899 13 000 16 000
1206EK H206 25 .9843 62 2.4409 16 .6299 1.0 .039 .25 2.5 3.9 2.5 15 600 3 510 4 650 1 050 10 000 13 000
1207EK H207 30 1.1811 72 2.8346 17 .6693 1.0 .039 .23 2.7 4.2 2.8 19 000 4 270 6 000 1 350 9 000 11 000
1208EK H208 35 1.3780 80 3.1496 18 .7087 1.0 .039 .22 2.9 4.5 2.8 19 900 4 470 6 950 1 560 8 500 10 000
1209EK H209 40 1.5748 85 3.3465 19 .7480 1.0 .039 .21 3.0 4.6 3.2 22 900 5 150 7 800 1 750 7 500 9 000
1210EK H210 45 1.7717 90 3.5433 20 .7874 1.0 .039 .21 3.0 4.6 3.2 26 500 5 960 9 150 2 060 7 000 8 500
1211EK H211 50 1.9685 100 3.9370 21 .8268 1.5 .059 .19 3.3 5.1 3.6 27 600 6 210 10 600 2 380 6 300 7 500
1212EK H212 55 2.1654 110 4.3307 22 .8661 1.5 .059 .19 3.3 5.1 3.6 31 200 7 010 12 200 2 740 5 600 6 700
1213EK H213 60 2.3622 120 4.7244 23 .9055 1.5 .059 .18 3.5 5.4 3.6 35 100 7 890 14 000 3 150 5 300 6 300
1215K H215 65 2.5591 130 5.1181 25 .9843 1.5 .059 .17 3.7 5.7 4.0 39 000 8 770 15 600 3 510 4 800 5 600
1216K H216 70 2.7559 140 5.5118 26 1.0236 2.0 .079 .16 3.9 6.1 4.0 39 700 8 930 17 000 3 820 4 500 5 300
1217K H217 75 2.9528 150 5.9055 28 1.1024 2.0 .079 .17 3.7 5.7 4.0 48 800 11 000 20 800 4 680 4 000 4 800
1218K H218 80 3.1496 160 6.2992 30 1.1811 2.0 .079 .17 3.7 5.7 4.0 57 200 12 900 23 600 5 310 3 800 4 500
1219K H219 85 3.3465 170 6.6929 32 1.2598 2.0 .079 .17 3.7 5.7 4.0 63 700 14 300 27 000 6 070 3 600 4 300
1220K H220 90 3.5433 180 7.0866 34 1.3386 2.0 .079 .17 3.7 5.7 4.0 68 900 15 500 30 000 6 740 3 400 4 000
1221K H221 95 3.7402 190 7.4803 36 1.4173 2.0 .079 .17 3.7 5.7 4.0 74 100 16 700 32 500 7 310 3 200 3 800
1222K H222 100 3.9370 200 7.8740 38 1.4961 2.0 .079 .17 3.7 5.7 4.0 88 400 19 900 39 000 8 770 3 000 3 600
1224K H3024 110 4.3307 215 8.4646 42 1.6535 2.0 .079 .19 3.3 5.1 3.6 119 000 26 800 53 000 11 900 2 800 3 400
1304EK H304 17 .6693 52 2.0472 15 .5906 1.0 .039 .28 2.2 3.5 2.5 14 300 3 220 4 000 899 12 000 14 000
1305EK H305 20 .7874 62 2.4409 17 .6693 1.0 .039 .28 2.2 3.5 2.5 19 000 4 270 5 400 1 210 9 500 12 000
1306EK H306 25 .9843 72 2.8346 19 .7480 1.0 .039 .25 2.5 3.9 2.5 22 500 5 060 6 800 1 530 9 000 11 000
1307EK H307 30 1.1811 80 3.1496 21 .8268 1.5 .059 .25 2.5 3.9 2.5 26 500 5 960 8 500 1 910 7 500 9 000
1308EK H308 35 1.3780 90 3.5433 23 .9055 1.5 .059 .23 2.7 4.2 2.8 33 800 7 600 11 200 2 520 6 700 8 000
1309EK H309 40 1.5748 100 3.9370 25 .9843 1.5 .059 .23 2.7 4.2 2.8 39 000 8 770 13 400 3 010 6 300 7 500
1310EK H310 45 1.7717 110 4.3307 27 1.0630 2.0 .079 .24 2.6 4.1 2.8 43 600 9 800 14 000 3 150 5 600 6 700
1311EK H311 50 1.9685 120 4.7244 29 1.1417 2.0 .079 .23 2.7 4.2 2.8 50 700 11 400 18 000 4 050 5 000 6 000
1312EK H312 55 2.1654 130 5.1181 31 1.2205 2.0 .079 .23 2.7 4.2 2.8 58 500 13 200 22 000 4 950 4 500 5 300
1313EK H313 60 2.3622 140 5.5118 33 1.2992 2.0 .079 .22 2.9 4.5 2.8 65 000 14 600 25 500 5 730 4 300 5 000
1315K H315 65 2.5591 160 6.2992 37 1.4567 2.0 .079 .22 2.9 4.5 2.8 79 300 17 800 30 000 6 740 3 800 4 500
1316K H316 70 2.7559 170 6.6929 39 1.5354 2.0 .079 .22 2.9 4.5 2.8 88 400 19 900 33 500 7 530 3 600 4 300
1317K H317 75 2.9528 180 7.0866 41 1.6142 2.5 .098 .22 2.9 4.5 2.8 97 500 21 900 38 000 8 540 3 400 4 000
1318K H318 80 3.1496 190 7.4803 43 1.6929 2.5 .098 .22 2.9 4.5 2.8 117 000 26 300 44 000 9 890 3 200 3 800
1319K H319 85 3.3465 200 7.8740 45 1.7717 2.5 .098 .23 2.7 4.2 2.8 133 000 29 900 51 000 11 500 3 000 3 600
1320K H320 90 3.5433 215 8.4646 47 1.8504 2.5 .098 .23 2.7 4.2 2.8 143 000 32 200 57 000 12 800 2 800 3 400
1322K H322 100 3.9370 240 9.4488 50 1.9685 2.5 .098 .22 2.9 4.5 2.8 163 000 36 600 72 000 16 200 2 400 3 000
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) Rating for one million revolutions or 500 hours at 331/3 rpm.
78
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D d
Tapered bore
taper 1:12 on diameter
2205EK H305 20 .7874 52 2.0472 18 .7087 1.0 .039 .35 1.80 2.8 1.8 16 800 3 780 4 400 989 11 000 14 000
2206EK H306 25 .9843 62 2.4409 20 .7874 1.0 .039 .33 1.90 3.0 2.0 23 800 5 350 6 700 1 510 9 500 12 000
2207EK H307 30 1.1811 72 2.8346 23 .9055 1.0 .039 .31 2.00 3.1 2.2 30 700 6 900 8 800 1 980 8 500 10 000
2208EK H308 35 1.3780 80 3.1496 23 .9055 1.0 .039 .28 2.20 3.5 2.5 31 900 7 170 10 000 2 250 7 500 9 000
2209EK H309 40 1.5748 85 3.3465 23 .9055 1.0 .039 .26 2.40 3.7 2.5 32 500 7 310 10 600 2 380 7 000 8 500
2210EK H310 45 1.7717 90 3.5433 23 .9055 1.0 .039 .23 2.70 4.2 2.8 33 800 7 600 11 200 2 520 6 300 7 500
2211EK H311 50 1.9685 100 3.9370 25 .9843 1.5 .059 .23 2.70 4.2 2.8 39 000 8 770 13 400 3 010 6 000 7 000
2212EK H312 55 2.1654 110 4.3307 28 1.1024 1.5 .059 .24 2.60 4.1 2.8 48 800 11 000 17 000 3 820 5 300 6 300
2213EK H313 60 2.3622 120 4.7244 31 1.2205 1.5 .059 .24 2.60 4.1 2.8 57 200 12 900 20 000 4 500 5 000 6 000
2215K H315 65 2.5591 130 5.1181 31 1.2205 1.5 .059 .25 2.50 3.9 2.5 44 200 9 940 18 000 4 050 4 500 5 300
2216EK H316 70 2.7559 140 5.5118 33 1.2992 2.0 .079 .22 2.90 4.5 2.8 65 000 14 600 25 500 5 730 4 000 4 800
2217K H317 75 2.9528 150 5.9055 36 1.4173 2.0 .079 .25 2.50 3.9 2.5 58 500 13 200 23 600 5 310 3 800 4 500
2218K H318 80 3.1496 160 6.2992 40 1.5748 2.0 .079 .27 2.30 3.6 2.5 70 200 15 800 28 500 6 410 3 600 4 300
2219K H319 85 3.3465 170 6.6929 43 1.6929 2.0 .079 .27 2.30 3.6 2.5 83 200 18 700 34 500 7 760 3 400 4 000
2220K H320 90 3.5433 180 7.0866 46 1.8110 2.0 .079 .27 2.30 3.6 2.5 97 500 21 900 40 500 9 110 3 200 3 800
2221K H321 95 3.7402 190 7.4803 50 1.9685 2.0 .079 .28 2.20 3.5 2.5 108 000 24 300 45 000 10 100 3 000 3 600
2222K H322 100 3.9370 200 7.8740 53 2.0866 2.0 .079 .28 2.20 3.5 2.5 124 000 27 900 52 000 11 700 2 800 3 400
2305K H2305 20 .7874 62 2.4409 24 .9449 1.0 .039 .48 1.30 2.0 1.4 24 200 5 440 6 550 1 470 9 500 12 000
2306K H2306 25 .9843 72 2.8346 27 1.0630 1.0 .039 .44 1.40 2.2 1.4 31 200 7 010 8 800 1 980 8 500 10 000
2307EK H2307 30 1.1811 80 3.1496 31 1.2205 1.5 .059 .46 1.35 2.1 1.4 39 700 8 930 11 200 2 520 7 000 8 500
2308EK H2308 35 1.3780 90 3.5433 33 1.2992 1.5 .059 .40 1.60 2.4 1.6 54 000 12 100 16 000 3 600 6 300 7 500
2309EK H2309 40 1.5748 100 3.9370 36 1.4173 1.5 .059 .33 1.90 3.0 2.0 63 700 14 300 19 300 4 340 5 600 6 700
2310K H2310 45 1.7717 110 4.3307 40 1.5748 2.0 .079 .43 1.50 2.3 1.6 63 700 14 300 20 000 4 500 5 300 6 300
2311K H2311 50 1.9685 120 4.7244 43 1.6929 2.0 .079 .40 1.60 2.4 1.6 76 100 17 100 24 000 5 400 4 800 5 600
2312K H2312 55 2.1654 130 5.1181 46 1.8110 2.0 .079 .33 1.90 3.0 2.0 87 100 19 600 28 500 6 410 4 500 5 300
2313K H2313 60 2.3622 140 5.5118 48 1.8898 2.0 .079 .37 1.70 2.6 1.8 95 600 21 500 32 500 7 310 4 000 4 800
2315K H2315 65 2.5591 160 6.2992 55 2.1654 2.0 .079 .37 1.70 2.6 1.8 124 000 27 900 43 000 9 670 3 400 4 000
2316K H2316 70 2.7559 170 6.6929 58 2.2835 2.0 .079 .37 1.70 2.6 1.8 135 000 30 400 49 000 11 000 3 200 3 800
2317K H2317 75 2.9528 180 7.0866 60 2.3622 2.5 .098 .37 1.70 2.6 1.8 140 000 31 500 51 000 11 500 3 000 3 600
2318K H2318 80 3.1496 190 7.4803 64 2.5197 2.5 .098 .37 1.70 2.6 1.8 153 000 34 400 57 000 12 800 2 800 3 400
2319K H2319 85 3.3465 200 7.8740 67 2.6378 2.5 .098 .37 1.70 2.6 1.8 165 000 37 100 64 000 14 400 2 600 3 200
2320K H2320 90 3.5433 215 8.4646 73 2.8740 2.5 .098 .37 1.70 2.6 1.8 190 000 42 700 80 000 18 000 2 400 3 000
2322K H2322 100 3.9370 240 9.4488 80 3.1496 2.5 .098 .37 1.70 2.6 1.8 216 000 48 600 95 000 21 400 2 200 2 800
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) Rating for one million revolutions or 500 hours at 331/3 rpm.
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D d D d
Cylindrical bore
2200E2RS1 10 .3937 30 1.1811 14 .5512 .60 .024 .33 1.9 3.0 2.0 5 530 1 240 1 180 265 17 000
2201E2RS1 12 .4724 32 1.2598 14 .5512 .60 .024 .33 1.9 3.0 2.0 6 240 1 400 1 430 321 16 000
2202E2RS1 15 .5906 35 1.3780 14 .5512 .60 .024 .33 1.9 3.0 2.0 7 410 1 670 1 760 396 14 000
2203E2RS1 17 .6693 40 1.5748 16 .6299 .60 .024 .31 2.0 3.1 2.2 8 840 1 990 2 200 495 12 000
2204E2RS1 20 .7874 47 1.8504 18 .7087 1.0 .039 .30 2.1 3.3 2.2 12 700 2 860 3 400 764 10 000
2205E2RS1 25 .9843 52 2.0472 18 .7087 1.0 .039 .28 2.2 3.5 2.5 14 300 3 220 4 000 899 9 000
2206E2RS1 30 1.1811 62 2.4409 20 .7874 1.0 .039 .25 2.5 3.9 2.5 15 600 3 510 4 650 1 050 7 500
2207E2RS1 35 1.3780 72 2.8346 23 .9055 1.0 .039 .23 2.7 4.2 2.8 19 000 4 270 6 000 1 350 6 300
2208E2RS1 40 1.5748 80 3.1496 23 .9055 1.0 .039 .22 2.9 4.5 2.8 19 900 4 470 6 950 1 560 5 600
2209E2RS1 45 1.7717 85 3.3465 23 .9055 1.0 .039 .21 3.0 4.6 3.2 22 900 5 150 7 800 1 750 5 300
22102RS1 50 1.9685 90 3.5433 23 .9055 1.0 .039 .20 3.2 4.9 3.2 22 900 5 150 8 150 1 830 4 800
2211E2RS1 55 2.1654 100 3.9370 25 .9843 1.5 .059 .19 3.3 5.1 3.6 27 600 6 210 10 600 2 380 4 300
2212E2RS1 60 2.3622 110 4.3307 28 1.1024 1.5 .059 .19 3.3 5.1 3.6 31 200 7 010 12 200 2 740 3 800
2213E2RS1 65 2.5591 120 4.7244 31 1.2205 1.5 .059 .18 3.5 5.4 3.6 35 100 7 890 14 000 3 150 3 600
22142RS1 70 2.7559 125 4.9213 31 1.2205 1.5 .059 .18 3.5 5.4 3.6 34 500 7 760 13 700 3 080 3 400
2302E2RS1 15 .5906 42 1.6535 17 .6693 1.0 .039 .31 2.0 3.1 2.2 10 800 2 430 2 600 585 12 000
2303E2RS1 17 .6693 47 1.8504 19 .7480 1.0 .039 .30 2.1 3.3 2.2 12 700 2 860 3 400 764 11 000
2304E2RS1 20 .7874 52 2.0472 21 .8268 1.0 .039 .28 2.2 3.5 2.5 14 300 3 220 4 000 899 9 500
2305E2RS1 25 .9843 62 2.4409 24 .9449 1.0 .039 .28 2.2 3.5 2.5 19 000 4 270 5 400 1 210 7 500
2306E2RS1 30 1.1811 72 2.8346 27 1.0630 1.0 .039 .25 2.5 3.9 2.5 22 500 5 060 6 800 1 530 6 700
2307E2RS1 35 1.3780 80 3.1496 31 1.2205 1.5 .059 .25 2.5 3.9 2.5 26 500 5 960 8 500 1 910 5 600
2308E2RS1 40 1.5748 90 3.5433 33 1.2992 1.5 .059 .23 2.7 4.2 2.8 33 800 7 600 11 200 2 520 5 000
2309E2RS1 45 1.7717 100 3.9370 36 1.4173 1.5 .059 .23 2.7 4.2 2.8 39 000 8 770 13 400 3 010 4 500
2310E2RS1 50 1.9685 110 4.3307 40 1.5748 2.0 .079 .24 2.6 4.1 2.8 43 600 9 800 14 000 3 150 4 000
Tapered bore
2205E2RS1K 25 .9843 52 2.0472 18 .7087 1.0 .039 .28 2.2 3.5 2.5 14 300 3 220 4 000 899 9 000
2206E2RS1K 30 1.1811 62 2.4409 20 .7874 1.0 .039 .25 2.5 3.9 2.5 15 600 3 510 4 650 1 050 7 500
2207E2RS1K 35 1.3780 72 2.8346 23 .9055 1.0 .039 .23 2.7 4.2 2.8 19 000 4 270 6 000 1 350 6 300
2208E2RS1K 40 1.5748 80 3.1496 23 .9055 1.0 .039 .22 2.9 4.5 2.8 19 900 4 470 6 950 1 560 5 600
2209E2RS1K 45 1.7717 85 3.3465 23 .9055 1.0 .039 .21 3.0 4.6 3.2 22 900 5 150 7 800 1 750 5 300
22102RS1K 50 1.9685 90 3.5433 23 .9055 1.0 .039 .20 3.2 4.9 3.2 22 900 5 150 8 150 1 830 4 800
2211E2RS1K 55 2.1654 100 3.9370 25 .9843 1.5 .059 .19 3.3 5.1 3.6 27 600 6 210 10 600 2 380 4 300
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) Rating for one million revolutions or 500 hours at 331/3 rpm.
80
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D d
Speed
Calculation factors Basic radial load rating rating
Outside
Bore diameter Width Fillet radius1) e Y1 Y2 Y0 Dynamic Static
Grease
MRC d D C B ra C2) C0 or oil
bearing
number mm in. mm in. mm in. mm in. mm in. N lbf N lbf rpm
11204E 20 .7874 47 1.8504 14 .5512 40 1.575 1.0 .039 .30 2.1 3.3 2.2 12 700 2 860 3 400 764 9 000
11205E 25 .9843 52 2.0472 15 .5906 44 1.732 1.0 .039 .28 2.2 3.5 2.5 14 300 3 220 4 000 899 8 000
11206E 30 1.1811 62 2.4409 16 .6299 48 1.890 1.0 .039 .25 2.5 3.9 2.5 15 600 3 510 4 650 1 050 6 700
11207E 35 1.3780 72 2.8346 17 .6693 52 2.047 1.0 .039 .23 2.7 4.2 2.8 19 000 4 270 6 000 1 350 5 600
11208E 40 1.5748 80 3.1496 18 .7087 56 2.205 1.0 .039 .22 2.9 4.5 2.8 19 900 4 470 6 950 1 560 5 000
11209E 45 1.7717 85 3.3465 19 .7480 58 2.283 1.0 .039 .21 3.0 4.6 3.2 22 900 5 150 7 800 1 750 4 500
11210E 50 1.9685 90 3.5433 20 .7874 58 2.283 1.0 .039 .21 3.0 4.6 3.2 26 500 5 960 9 150 2 060 4 300
11212E 60 2.3622 110 4.3307 22 .8661 62 2.441 1.5 .059 .19 3.3 5.1 3.6 31 200 7 010 12 200 2 740 3 400
11305E 25 .9843 62 2.4409 17 .6693 48 1.890 1.0 .039 .28 2.2 3.5 2.5 19 000 4 270 5 400 1 210 6 700
11306E 30 1.1811 72 2.8346 19 .7480 52 2.047 1.0 .039 .25 2.5 3.9 2.5 22 500 5 060 6 800 1 530 5 600
11307E 35 1.3780 80 3.1496 21 .8268 56 2.205 1.5 .059 .25 2.5 3.9 2.5 26 500 5 960 8 500 1 910 5 000
11308E 40 1.5748 90 3.5433 23 .9055 58 2.283 1.5 .059 .23 2.7 4.2 2.8 33 800 7 600 11 200 2 520 4 500
11310E 50 1.9685 110 4.3307 27 1.0630 62 2.441 2.0 .079 .24 2.6 4.1 2.8 43 600 9 800 14 000 3 150 3 600
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) Rating for one million revolutions or 500 hours at 331/3 rpm.
81
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Life rating
Life (L10) =
P
=
800 ) = 266.8 × 10 Rev.
6
The requisite minimum load to be applied
or to self-aligning ball bearings can be estimated
( CP )
3
L10 = (millions of revolutions) 106 C 3 using:
( 5150
3
() 800 )
Life (L10h) = = 106
or 60n P 60 × 2000 Pm = 0.01 C0
L10h = 10
6
C 3
60n ()
P
(hours) = 2223 Hrs where, Pm = minimum equivalent static
bearing load, lbs
C = Basic dynamic load rating C0 = basic static load rating, lbs
Case 2
P = Dynamic equivalent radial load
Radial load (FR) = 500 When starting up at low temperatures or
n = Speed in rpm when the lubricant is highly viscous, even
Thrust load (FA) = 170
greater minimum loads may be required.
FA/FR = 170/500 = 0.34
Static equivalent radial load The weight of the components supported by
Equivalent load (P) = 0.65 FR+Y2 FA the bearing, together with external forces,
P0 = FR + Y0FA P = 0.65 × 500 + 4.6 × 170 = 1107 generally exceeds the requisite minimum
P0 = Static equivalent radial load load. If this is not the case, the self-aligning
( CP ) = ( 5150
3 3
1107 )
Life (L10) = = 100.7 × 10 Rev.
6
FR = Radial load ball bearing must be subjected to an addi-
FA = Thrust load or tional radial load, for example, by increasing
106 C 3 belt tension or by similar means.
( 5150
3
() 1107 )
Y0 = Thrust load factor Life (L10h) = = 106
60n P 60 × 2000
Y0 given in bearing tables
= 839 Hrs
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C1
Ball protrusion Axial load carrying capacity of
Self-aligning bearings in series 1400 bearings mounted on adapter
and in some sizes in series 1200, 1200K sleeves
and 1300K, have ball protrusion beyond the The ability of self-aligning ball bearings
bearing ring faces as shown in the table mounted on adapter sleeves on smooth
below. This must be considered when design- shafts to carry axial loads, depends on the
ing adjacent components. friction between sleeve and shaft. The
approximate permissible axial load can be
determined from:
Size Protrusion (C1)
mm inches FAP = 3 B d
1224K 1.3 .051 where, FAP = maximum permissible
1226 0.7 .028 axial load (N)
1318K 1.0 .039 B = bearing width (mm)
1319K 1.5 .059 d = bearing bore (mm)
1320K 2.5 .098 To convert newtons (N) to pounds,
1321K 2.6 .102
multiply by 0.2248
1322K 2.6 .102
1406 2.2 .087
1407 2.0 .079
1408 2.0 .079
1409 2.5 .098
1410 3.0 .118
1411 2.4 .094
1412 2.8 .110
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B B
A A
Mounting bearings with When mounting bearings with C3 clearance, down one of the tabs of the locking washer.
the tightening angle a or the axial displace- The residual clearance of the bearing should
tapered bore
ment S can be used to measure the degree of be checked.
Bearings with a tapered bore are always interference. The procedures and values given Another method which is often used to
mounted with an interference fit on the shaft, in the following also apply to bearings with mount bearings with a tapered bore correctly
adapter sleeve or withdrawal sleeve. As a normal clearance. and reliably is to measure the axial displace-
measure of the degree of interference of the An easy method of mounting bearings on ment S of the inner ring on the tapered seat-
fit, either the reduction in radial internal adapter sleeves is based on the tightening ing. Guideline values for the requisite dis-
clearance of the bearing or the axial displace- angle a through which the nut is turned and placement S are given in the table overleaf.
ment of the inner ring on the tapered bearing the procedure is described in the following. When using either of the above methods,
seating can be used. The mounting of self- Guideline values for the tightening angle a are the self-aligning ball bearings should always
aligning ball bearings with tapered bore calls given in the table overleaf. Before mounting, be pushed up on to the tapered seating until
for experience and skill as they have a rela- the thread of the nut and the side face of the the bore of the bearing is in contact with the
tively small internal clearance, and a reliable nut which is to abut the bearing should be seating on the shaft or sleeve around its
measurement of the clearance reduction is smeared with a molybdenum disulphide paste whole circumference, before the final tighten-
not always possible. or similar lubricant, and the outside diameter ing procedure is begun. A sufficiently tight fit
When mounting bearings with normal of the sleeve should be lightly oiled. The bear- will then be obtained and the residual
radial internal clearance it is generally suffi- ing is then pushed on to the sleeve and the clearance will correspond to the mean values
cient to check clearance reduction during the nut screwed on. By turning the nut through given in the table.
drive-up by turning and swivelling out the the given angle a the bearing will be pressed One method of measuring the internal
outer ring. When the bearing is properly up on the tapered seating of the sleeve. As clearance of self-aligning ball bearings is
mounted the outer ring can be easily turned the bearing has a tendency to skew when shown in the illustrations above. A washer A is
but there should be a slight resistance when being pressed up it is advisable to reposition inserted between the bearing and the shaft or
the ring is swivelled out. The bearing will then the hook spanner in a slot at 180° to that sleeve nut to ensure correct alignment of the
have the requisite interference fit. In some used for tightening and then apply a light outer ring with respect to the inner ring. A dial
cases, however, the residual internal clearance hammer blow to the spanner. The bearing will gauge B placed on the bearing outer ring can
may be too small for the application, and a straighten up on its seating. The nut is then be used to measure the bearing clearance.
bearing with C3 radial internal clearance removed, the locking washer inserted and the The outer ring should be pushed upwards in
should be used instead. nut replaced, tightened and locked by bending the direction of the shaft.
86
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B
ra
B
ra C-type outside the bearing. All inner and outer rings
have closure grooves. These bearings may
Conrad construction, or C-type, double-row
ra ra be equipped with seals, shields, and snap-
ball bearings have contact angles that con-
rings. The M-type bearing has very heavy
30° 30° verge outside the bearing, thereby increasing
radial capacity. It also has thrust capacity in
resistance to misalignment. This type does
D d D d one direction, with the ability to accommodate
not have filling notches. These bearings are
light thrust load in the reversing direction.
recommended for applications where single-
Part numbers on M-type double-row bear-
row ball bearings are inadequate, but radial
ings are normally located on either the side
loads are not so great as to suggest a filling-
face or the O.D. surface of the bearing. The
notch bearing. They will take heavy radial
side face marking is always on the side oppo-
loads and axial loads equally in either direc-
C Plain M Plain site the filling notch and the O.D. marking is
tion. The C-type design fully meets the re-
offset from the center away from the filling
quirements of American Petroleum Institute
notch. Therefore, double sealed or shielded
(API) Specification 610.
MRC double-row angular contact ball bearings bearings with the filling notch covered from
Both the inner and the outer rings have
are manufactured in two main types: view can be oriented correctly.
closure grooves. These bearings are available
C-type (Conrad construction) and M-type
with seals, shields, and snap-rings. Ball cages and types
(maximum capacity with filling notches).
Each of the two rows has a 30° contact angle. M-type The cage supplied with C-type and M-type
bearings is a one-piece crown-type of heat-
Maximum capacity double-row ball bearings
treated pressed steel. It is snapped into place
have filling notches on one side to permit
after the full quota of balls has been intro-
assembling the maximum number of balls
duced between the inner and outer ring.
into the bearing. Contact angles converge
Series Page
5200C Light, Conrad (non-filling notch) 99
5200C1 Light, extra width, Conrad (non-filling notch) 99
5300C Medium, Conrad (non-filling notch) 100
5300C1 Medium, extra width, Conrad (non-filling notch) 100
5400C Heavy, Conrad (non-filling notch) 101
5200M Light, filling notch 102
5200M1 Light, extra width, filling notch 102
5300M Medium, filling notch 103
5300M1 Medium, extra width, filling notch 103
5300UPG MRC pump bearing 104
Width summary and interchange from old series to C and M series 91
Filling notch location on closured bearings 94
Axial and radial internal clearance 95
Thrust rating 96
Extra wide retrofit kit and mounting instructions 97
Equivalent load and life 105
Minimum radial load calculation 105
Life calculation examples 106
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The older MRC 5000 series double-row ball found in the previous double-row filling-notch
bearings were made in three series — type bearings. A unique manufacturing system
5200 light, 5300 medium, and 5400 heavy utilizing “common parts” is employed in the
— each with progressively larger cross sec- manufacture of these bearings. Using a mini-
tions. These old-style 5000 type double-rows mum number of components, the system
were available in the SB Conrad and maxi- provides greater flexibility for producing either
mum capacity configurations. The SB Conrad Conrad or maximum capacity types as open
version had contact angles which diverged in- bearings or with a variety of closures. Twenty-
wardly, thereby increasing resistance to mis- four variations of a single bearing size can be
alignment. The maximum capacity version manufactured to solve your application
had contact angles which converged inwardly, problems.
giving it the capability of handling small The charts on pages 91–92 outline the
amounts of misalignment. It also had filling suffixes and widths of MRC 5000 series bear-
notches on both sides, for the introduction of ings. The data on the charts do not represent
a maximum complement of balls. actual availability of double-row products.
Our double-row ball bearings are available These data are intended to be used as refer-
in the C-type (Conrad construction) and M- ences for interchanging. Current style double-
type (with filling notches on one side only). rows appear next to their old-style counter-
Both types feature inwardly diverging contact parts that are the same width.
angles, which provide greater rigidity than
F One shield
FF Two shields
G Snap-ring
HYB#1 Ceramic rolling elements
K Standard width
M Maximum capacity, rigid construction, standard width
M1 1/8 in. additional width from standard. 5205M1 and 5212M1 are 1/16 in. wider than standard
Plain Maximum capacity, nonrigid construction. Narrow width in 5200 series, extra width is required with closures
S Conrad construction (Note: always combined with additional suffix letters)
SB Conrad, rigid construction, narrow width. Extra width is required with closures
SBK Conrad, rigid construction, standard width
Z One seal
ZZ Two seals
90
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92
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MRC Bearing numbers MRC Bearing numbers MRC Bearing numbers MRC Bearing numbers
Prior to 1983 Superseded by Prior to 1983 Superseded by Prior to 1983 Superseded by Prior to 1983 Superseded by
5200SB 5200C* 5208SBKFG 5208CFG 5301SB 5301C* 5312F 5312MF1
5200SBKF 5200CF* 5208SBKG 5208CG 5302SB 5302C* 5312FG 5312MFG1
5200SBKFF 5200CFF* 5209K 5209M 5303SB 5303C* 5312G 5312MG
5200SBKZ 5200CZ* 5209KF 5209MF 5303SBG 5303CG* 5313 5313M
5200SBKZZ 5200CZZ* 5209SBFF 5209CFF 5303SBKF 5303CF* 5313F 5313MF1
5201SB 5201C* 5209KG 5209MG 5303SBKFF 5303CFF* 5313FG 5313MFG1
5201SBKF 5201CF* 5210K 5210M 5303SBKFG 5303CFG* 5313G 5313MG
5201SBKFF 5201CFF* 5210KF 5210MF 5304SB 5304C 5314 5314M
5201SBKZ 5201CZ* 5210KFF 5210MFF 5304SBF 5304CF1 5314F 5314MF1
5201SBKZZ 5201CZZ* 5210KG 5210MG 5304SBKF 5304CF 5314G 5314MG
5202SB 5202C* 5211K 5211M 5304SBKFF 5304CFF 5314KF 5314MF
5202SBKFF 5202CFF* 5211KF 5211MF 5305SB 5305C 5315 5315M
5202SBFG 5202CFG1* 5211KFG 5211MFG 5305SBG 5305CG 5315F 5315MF1
5202SBKFG 5202CFG* 5211KG 5211MG 5305SBKF 5305CF 5315G 5315MG
5202SBKZ 5202CZ* 5212F 5212MF1 5305SBKFF 5305CFF 5316 5316M
5202SBKZZ 5202CZZ* 5212FG 5212MFG1 5305SBKFG 5305CFG 5316G 5316MG
5203SB 5203C* 5212K 5212M 5306 5306M 5317 5317
5203SBKF 5203CF* 5212KF 5212MF 5306F 5306MF1 5318 5318
5203SBKFF 5203CFF* 5212KFG 5212MFG 5306FG 5306MFG1 5319 5319
5203SBKFG 5203CFG* 5212KG 5212MG 5306G 5306MG 5320 5320
5203SBKZ 5203CZ* 5213K 5213M 5306KF 5306MF 5321 5321
5203SBKZZ 5203CZZ* 5213KF 5213MF 5306KFF 5306MFF 5322 5322
5204SBK 5204C 5213KFG 5213MFG 5306KFG 5306MFG
5204SBKF 5204CF 5213KG 5213MG 5307 5307M
5204SBKFF 5204CFF 5214K 5214M 5307F 5307MF1
5204SBKFG 5204CFG 5214KF 5214MF 5307FG 5307MFG1
5204SBKFFG 5204CFFG 5214KG 5214MG 5307G 5307MG
5204SBKG 5204CG 5215K 5215M 5307KF 5307MF
5204SBKZ 5204CZ 5215KF 5215MF 5307KFG 5307MFG
5205SBK 5205C 5215KFF 5215MFF 5308 5308M
5205SBF 5205CF1 5215KFG 5215MFG 5308F 5308MF1
5205SBKF 5205CF 5215KG 5215MG 5308FG 5308MFG1
5205SBKFF 5205CFF 5216K 5216M 5308G 5308MG
5205SBKG 5205CG 5216KF 5216MF 5309 5309M
5206SBK 5206C 5216KFG 5216MFG 5309B 5309M
5206SBF 5206CF1 5216KG 5216MG 5309F 5309MF1
5206SBKF 5206CF 5217K 5217M 5309FG 5309MFG1
5206SBKFF 5206CFF 5217KF 5217MF 5309G 5309MG
5206SBKFG 5206CFG 5217KG 5217MG 5310 5310
5206SBKG 5206CG 5218K 5218M 5310F 5310MF1
5206SBZZ 5206CZZ1 5218KF 5218MF 5310FG 5310MFG1
5207F 5207MF1 5218KG 5218MG 5310G 5310MG
5207SBK 5207C 5219 5219 5310KF 5310MF
5207SBKF 5207CF 5219G 5219G 5310KFG 5310MFG
5207SBKFF 5207CFF 5220 5220 5311 5311M
5207SBKFG 5207CFG 5220G 5220G 5311F 5311MF1
5207SBKG 5207CG 5221 5221 5311FG 5311MFG1
5208SBK 5208C 5222 5222 5311G 5311MG
5208SBKF 5208CF 5222KF 5222KF 5312 5312M
5208SBKFF 5208CFF 5300SB 5300C*
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Marking
Axial load
Since the filling notch row is not visible on A typical application of a 5000MFF or
5000MFF and 5000MZZ bearings, it is 5000MZZ bearing is shown above in which it
necessary to identify which row of balls has is subjected to an axial load in an upward
the notch in those cases where the bearing direction. The bearing should be mounted
will be subjected to axial load. Axial load with the filling notch up so that the axial load
should be carried on the non-filling notch is taken by the bottom, non-filling notch row.
row. A moderate reversing axial load is per-
missible on the filling notch row.
The filling notch is oriented in relation to
the identification marking on the bearing,
which will be found in one of the following
locations:
• Side face of the outer ring
• Side face of the inner ring
• O.D. surface of the outer ring
• Face of the closure
In each case the marking will occur on the
side of the bearing opposite the filling notch
as illustrated above.
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10 .3937 1 11 0 4 5 21 2 8 12 28 5 11 25 45 10 18
10 .3937 18 .7087 1 12 0 5 6 23 2 9 13 31 5 12 27 47 11 19
18 .7087 24 .9449 2 14 1 6 7 25 3 10 16 34 6 13 28 48 11 19
24 .9449 30 1.1811 2 15 1 6 8 27 3 11 18 37 7 15 30 50 12 20
30 1.1811 40 1.5748 2 16 1 6 9 29 4 11 21 40 8 16 33 54 13 21
40 1.5748 50 1.9685 2 18 1 7 11 33 4 13 23 44 9 17 36 58 14 23
50 1.9685 65 2.5591 3 22 1 9 13 36 5 14 26 48 10 19 40 63 16 25
65 2.5591 80 3.1496 3 24 1 9 15 40 6 16 30 54 12 21 46 71 18 28
80 3.1496 100 3.9370 3 26 1 10 18 46 7 18 35 63 14 25 55 83 22 33
100 3.9370 110 4.3307 4 30 2 12 22 53 9 21 42 73 17 29 65 96 26 38
5400 series
Radial internal clearance
30 1.1811 1 8 0.4 3 2 13 1 5 13 23 5 9 20 38 8 15
30 1.1811 40 1.5748 1 8 0.5 3 6 13 2 5 15 23 6 9 23 41 9 16
40 1.5748 50 1.9685 1 8 0.5 3 6 15 2 6 15 25 6 10 23 44 9 17
50 1.9685 65 2.5591 1 11 0.5 4 6 15 2 6 15 28 6 11 25 45 10 18
65 2.5591 70 2.7559 1 11 0.5 4 6 18 2 7 18 31 7 12 28 48 11 19
70 2.7559 80 3.1496 0 6 0.0 2 6 18 2 7 18 33 7 13 33 48 13 19
80 3.1496 90 3.5433 0 7 0.0 3 7 23 3 9 23 44 9 17 44 65 17 26
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Example: Example:
Bearing size: 5307C Bearing size: 5214M
Basic dynamic radial load rating (C) = 11100 lbf Basic static radial load rating (C0) = 28100 lbf
Thrust rating factor = 0.81 Thrust rating factor = 0.66
Thrust rating = 0.81 × 11100 = 8991 lbf Thrust rating = 0.66 × 28100 = 18546 lbf
Sizes 5415C–5419C have 0° contact angles
and are not included in the above tables. When
thrust load is present, the equivalent radial
load should be used to determine life.
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Nomenclature 5 3 09 M F G 1
F or Z (shield or seal)
Snap-ring
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B
ra
ra
CF/SBKF CZ/SBKZ CFF/SBKFF CZZ/SBKZZ CFZ/SBKFZ
30°
One shield One seal Two shields Two seals Shield and seal
D d
Outside
Bore diameter Width Fillet radius1) Basic radial load rating Speed rating2)
Single and
double sealed
Dynamic Static Open and shielded grease
MRC d D B ra C3) C0 Grease Oil
bearing
number mm in. mm in. mm in. mm in. N lbf N lbf rpm rpm rpm
5200SB 10 .3937 30 1.1811 14.00 .5625 .64 .025 7 610 1 710 4 300 967 16 000 22 000 16 000
5201SB 12 .4724 32 1.2598 15.88 .6250 .64 .025 10 400 2 340 5 600 1 260 15 000 20 000 15 000
5202SB 15 .5906 35 1.3780 15.88 .6250 .64 .025 11 400 2 560 6 800 1 530 12 000 17 000 12 000
5203SB 17 .6693 40 1.5748 17.47 .6876 .64 .025 14 300 3 210 8 800 1 980 10 000 15 000 10 000
5204C 20 .7874 47 1.8504 20.64 .8125 1.00 .040 19 000 4 270 12 000 2 700 9 000 13 000 9 000
5205C 25 .9843 52 2.0472 20.64 .8125 1.00 .040 20 800 4 680 14 000 3 150 8 000 11 000 8 000
5205C1 25 .9843 52 2.0472 22.23 .8750 1.00 .040 20 800 4 680 14 000 3 150 8 000 11 000 8 000
5206C 30 1.1811 62 2.4409 23.81 .9375 1.00 .040 28 600 6 430 20 400 4 590 7 000 9 500 7 000
5206C1 30 1.1811 62 2.4409 26.99 1.0625 1.00 .040 28 600 6 430 20 400 4 590 7 000 9 500 7 000
5207C 35 1.3780 72 2.8346 26.99 1.0625 1.00 .040 37 700 8 480 27 500 6 180 6 000 8 000 6 000
5207C1 35 1.3780 72 2.8346 30.16 1.1875 1.00 .040 37 700 8 480 27 500 6 180 6 000 8 000 6 000
5208C 40 1.5748 80 3.1496 30.16 1.1875 1.00 .040 44 900 10 100 34 000 7 640 5 600 7 500 5 600
5209C 45 1.7717 85 3.3465 30.16 1.1875 1.00 .040 48 800 11 000 39 000 8 770 5 000 6 700 5 000
5210C 50 1.9685 90 3.5433 30.16 1.1875 1.00 .040 48 800 11 000 39 000 8 770 4 800 6 300 4 800
5211C 55 2.1654 100 3.9370 33.34 1.3125 1.50 .060 57 200 12 900 47 500 10 700 4 300 5 600 4 300
5212C 60 2.3622 110 4.3307 36.51 1.4375 1.50 .060 70 200 15 800 58 500 13 200 3 800 5 000 3 800
5212C1 60 2.3622 110 4.3307 38.10 1.5000 1.50 .060 70 200 15 800 58 500 13 200 3 800 5 000 3 800
5213C 65 2.5591 120 4.7244 38.10 1.5000 1.50 .060 80 600 18 100 73 500 16 500 3 600 4 800 3 600
5214C 70 2.7559 125 4.9213 39.69 1.5625 1.50 .060 88 400 19 900 80 000 18 000 3 200 4 300 3 200
5215C 75 2.9528 130 5.1181 41.28 1.6250 1.50 .060 95 600 21 500 88 000 19 800 3 200 4 300 3 200
5216C 80 3.1496 140 5.5118 44.45 1.7500 2.00 .080 106 000 23 900 95 000 21 400 2 800 3 800 2 800
5217C 85 3.3465 150 5.9055 49.21 1.9375 2.00 .080 124 000 27 900 110 000 24 700 2 600 3 600 2 600
5218C 90 3.5433 160 6.2992 52.39 2.0625 2.00 .080 130 000 29 300 120 000 27 000 2 400 3 400 2 400
5219C 95 3.7402 170 6.6929 55.56 2.1875 2.00 .080 159 000 35 700 146 000 32 800 2 200 3 200 2 200
5220C 100 3.9370 180 7.0866 60.33 2.3750 2.00 .080 178 000 40 000 166 000 37 300 2 000 3 000 2 000
5221C 105 4.1339 190 7.4803 65.09 2.5625 2.00 .080 186 000 41 800 180 000 40 500 1 800 2 800 1 800
5222C 110 4.3307 200 7.8740 69.85 2.7500 2.00 .080 203 000 45 600 200 000 45 000 1 600 2 600 1 600
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) Listed values are for pressed steel cage, ABEC-1.
The values have been determined through historical application and practice. For a more complete explanation, see page 272.
3) Rating for one million revolutions or 500 hours at 331/3 rpm.
Note: Extra width bearings identified by the suffix C1 are supplied with a retrofit kit described on pages 97, 98.
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D d
Outside
Bore diameter Width Fillet radius1) Basic radial load rating Speed rating2)
Single and
Dynamic Static Open and shielded double sealed
MRC d D B ra C3) C0 Grease Oil Grease
bearing
number mm in. mm in. mm in. mm in. N lbf N lbf rpm rpm rpm
5300SB 10 .3937 35 1.3780 19.05 .7500 .64 .025 10 600 2 380 6 100 1 370 15 000 20 000 15 000
5301SB 12 .4724 37 1.4567 19.05 .7500 1.00 .040 11 700 2 630 6 800 1 530 14 000 18 000 14 000
5302SB 15 .5906 42 1.6535 19.05 .7500 1.00 .040 15 100 3 390 9 300 2 090 11 000 15 000 11 000
5303SB 17 .6693 47 1.8504 22.23 .8750 1.00 .040 21 600 4 860 12 700 2 860 11 000 14 000 11 000
5304C 20 .7874 52 2.0472 22.23 .8750 1.00 .040 22 500 5 060 14 600 3 280 8 500 12 000 8 500
5304C1 20 .7874 52 2.0472 25.40 1.0000 1.00 .040 22 500 5 060 14 600 3 280 8 500 12 000 8 500
5305C 25 .9843 62 2.4409 25.40 1.0000 1.00 .040 30 700 6 910 20 400 4 590 7 500 10 000 7 500
5306C 30 1.1811 72 2.8346 30.16 1.1875 1.00 .040 41 600 9 360 29 000 6 520 6 300 8 500 6 300
5306C1 30 1.1811 72 2.8346 33.34 1.3125 1.00 .040 41 600 9 360 29 000 6 520 6 300 8 500 6 300
5307C 35 1.3780 80 3.1496 34.93 1.3750 1.50 .060 49 400 11 100 34 500 7 760 5 600 7 500 5 600
5307C1 35 1.3780 80 3.1496 38.10 1.5000 1.50 .060 49 400 11 100 34 500 7 760 5 600 7 500 5 600
5308C 40 1.5748 90 3.5433 36.51 1.4375 1.50 .060 60 500 13 600 43 000 9 760 5 000 6 700 5 000
5308C1 40 1.5748 90 3.5433 39.69 1.5625 1.50 .060 60 500 13 600 43 000 9 760 5 000 6 700 5 000
5309C 45 1.7717 100 3.9370 39.69 1.5625 1.50 .060 72 800 16 400 53 000 11 900 4 500 6 000 4 500
5309C1 45 1.7717 100 3.9370 42.86 1.6875 1.50 .060 72 800 16 400 53 000 11 900 4 500 6 000 4 500
5310C 50 1.9685 110 4.3307 44.45 1.7500 2.00 .080 85 200 19 200 64 000 14 400 4 000 5 300 4 000
5310C1 50 1.9685 110 4.3307 47.63 1.8750 2.00 .080 85 200 19 200 64 000 14 400 4 000 5 300 4 000
5311C 55 2.1654 120 4.7244 49.21 1.9375 2.00 .080 106 000 23 900 81 500 18 300 3 800 5 000 3 800
5311C1 55 2.1654 120 4.7244 52.39 2.0625 2.00 .080 106 000 23 900 81 500 18 300 3 800 5 000 3 800
5312C 60 2.3622 130 5.1181 53.98 2.1250 2.00 .080 121 000 27 200 95 000 21 400 3 400 4 500 3 400
5312C1 60 2.3622 130 5.1181 57.15 2.2500 2.00 .080 121 000 27 200 95 000 21 400 3 400 4 500 3 400
5313C 65 2.5591 140 5.5118 58.74 2.3125 2.00 .080 138 000 31 100 108 000 24 300 3 200 4 300 3 200
5313C1 65 2.5591 140 5.5118 61.91 2.4375 2.00 .080 138 000 31 100 108 000 24 300 3 200 4 300 3 200
5314C 70 2.7559 150 5.9055 63.50 2.5000 2.00 .080 153 000 34 400 125 000 28 100 2 800 3 800 2 800
5314C1 70 2.7559 150 5.9055 66.68 2.6250 2.00 .080 153 000 34 400 125 000 28 100 2 800 3 800 2 800
5315C 75 2.9528 160 6.2992 68.26 2.6875 2.00 .080 168 000 37 800 140 000 31 500 2 600 3 600 2 600
5315C1 75 2.9528 160 6.2992 71.44 2.8125 2.00 .080 168 000 37 800 140 000 31 500 2 600 3 600 2 600
5316C 80 3.1496 170 6.6929 68.26 2.6875 2.00 .080 182 000 41 000 156 000 35 100 2 400 3 400 2 400
5317C 85 3.3465 180 7.0866 73.03 2.8750 2.50 .100 195 000 43 900 176 000 39 600 2 200 3 200 2 200
5318C 90 3.5433 190 7.4803 73.03 2.8750 2.50 .100 212 000 47 700 196 000 44 100 2 000 3 000 2 000
5319C 95 3.7402 200 7.8740 77.79 3.0625 2.50 .100 234 000 52 700 224 000 50 400 1 900 2 800 1 900
5320C 100 3.9370 215 8.4646 82.55 3.2500 2.50 .100 255 000 57 300 255 000 57 300 1 800 2 600 1 800
5322C 110 4.3307 240 9.4488 92.08 3.6250 2.50 .100 291 000 65 400 305 000 68 600 1 700 2 400 1 700
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) Listed values are for pressed steel cage, ABEC-1.
The values have been determined through historical application and practice. For a more complete explanation, see page 272.
3) Rating for one million revolutions or 500 hours at 331/3 rpm.
Note: Extra width bearings identified by the suffix C1 are supplied with a retrofit kit described on pages 97, 98.
100
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Outside
Bore diameter Width Fillet radius1) Basic radial load rating Speed rating2)
Dynamic Static
MRC d D B ra C3) C0 Grease Oil
bearing
number mm in. mm in. mm in. mm in. N lbf N lbf rpm rpm
5406C 30 1.1811 90 3.5433 39.69 1.5625 1.5 .06 67 600 15 200 45 000 10 100 5 300 7 000
5407C 35 1.3780 100 3.9370 44.45 1.7500 1.5 .06 76 100 17 000 49 000 11 000 4 800 6 300
5408C 40 1.5748 110 4.3307 49.21 1.9375 2.0 .08 88 400 19 900 57 000 12 800 4 300 5 600
5409C 45 1.7717 120 4.7244 53.98 2.1250 2.0 .08 112 000 25 200 78 000 17 600 4 000 5 300
5410C 50 1.9685 130 5.1181 58.74 2.3125 2.0 .08 143 000 32 200 102 000 23 000 3 600 4 800
5411C 55 2.1654 140 5.5118 63.50 2.5000 2.0 .08 146 000 32 900 102 000 23 000 3 200 4 300
5412C 60 2.3622 150 5.9055 66.68 2.6250 2.0 .08 159 000 35 800 114 000 25 700 3 000 4 000
5413C 65 2.5591 160 6.2992 71.44 2.8125 2.0 .08 195 000 43 900 156 000 35 100 2 800 3 800
5414C 70 2.7559 180 7.0866 79.38 3.1250 2.5 .10 199 000 44 800 156 000 35 100 2 400 3 400
5415C 75 2.9528 190 7.4803 82.55 3.2500 2.5 .10 212 000 47 700 200 000 45 000 2 200 3 200
5416C 80 3.1496 200 7.8740 87.31 3.4375 2.5 .10 229 000 51 500 216 000 48 600 2 000 3 000
5417C 85 3.3465 210 8.2677 92.08 3.6250 3.0 .12 255 000 57 300 255 000 57 300 1 900 2 800
5418C 90 3.5433 225 8.8583 98.43 3.8750 3.0 .12 281 000 63 200 300 000 67 400 1 800 2 600
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) Listed values are for pressed steel cage, ABEC-1.
The values have been determined through historical application and practice. For a more complete explanation, see page 272.
3) Rating for one million revolutions or 500 hours at 331/3 rpm.
101
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Outside
Bore diameter Width Fillet radius1) Basic radial load rating Speed rating2)
Single and
Dynamic Static Open and shielded double sealed
MRC d D B ra C3) C0 Grease Oil Grease
bearing
number mm in. mm in. mm in. mm in. N lbf N lbf rpm rpm rpm
5204M 20 .7874 47 1.8504 20.64 .8125 1.0 .04 20 500 4 610 17 000 3 820 9 000 13 000 9 000
5205M 25 .9843 52 2.0472 20.64 .8125 1.0 .04 22 900 5 150 21 200 4 770 8 000 11 000 8 000
5205M1 25 .9843 52 2.0472 22.23 .8750 1.0 .04 22 900 5 150 21 200 4 770 8 000 11 000 8 000
5206M 30 1.1811 62 2.4409 23.81 .9375 1.0 .04 30 300 6 820 28 000 6 290 7 000 9 500 7 000
5206M1 30 1.1811 62 2.4409 26.99 1.0625 1.0 .04 30 300 6 820 28 000 6 290 7 000 9 500 7 000
5207M 35 1.3780 72 2.8346 26.99 1.0625 1.0 .04 39 100 8 800 36 500 8 210 6 000 8 000 6 000
5207M1 35 1.3780 72 2.8346 30.16 1.1875 1.0 .04 39 100 8 800 36 500 8 210 6 000 8 000 6 000
5208M 40 1.5748 80 3.1496 30.16 1.1875 1.0 .04 49 500 11 100 49 000 11 000 5 600 7 500 5 600
5209M 45 1.7717 85 3.3465 30.16 1.1875 1.0 .04 51 200 11 500 54 000 12 100 5 000 6 700 5 000
5210M 50 1.9685 90 3.5433 30.16 1.1875 1.0 .04 53 900 12 100 58 500 13 200 4 800 6 300 4 800
5211M 55 2.1654 100 3.9370 33.34 1.3125 1.5 .06 66 000 14 900 76 500 17 200 4 300 5 600 4 300
5212M 60 2.3622 110 4.3307 36.51 1.4375 1.5 .06 78 100 17 600 88 000 19 800 3 800 5 000 3 800
5212M1 60 2.3622 110 4.3307 38.10 1.5000 1.5 .06 78 100 17 600 88 000 19 800 3 800 5 000 3 800
5213M 65 2.5591 120 4.7244 38.10 1.5000 1.5 .06 88 000 19 800 106 000 23 800 3 600 4 800 3 600
5214M 70 2.7559 125 4.9213 39.69 1.5625 1.5 .06 101 000 22 700 125 000 28 100 3 200 4 300 3 200
5215M 75 2.9528 130 5.1181 41.28 1.6250 1.5 .06 108 000 24 300 137 000 30 800 3 200 4 300 3 200
5216M 80 3.1496 140 5.5118 44.45 1.7500 2.0 .08 128 000 28 800 160 000 36 000 2 800 3 800 2 800
5217M 85 3.3465 150 5.9055 49.21 1.9375 2.0 .08 142 000 32 000 176 000 39 600 2 600 3 600 2 600
5218M 90 3.5433 160 6.2992 52.39 2.0625 2.0 .08 151 000 34 000 193 000 43 400 2 400 3 400 2 400
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) Listed values are for pressed steel cage, ABEC-1.
The values have been determined through historical application and practice. For a more complete explanation, see page 272.
3) Rating for one million revolutions or 500 hours at 331/3 rpm.
Note: Extra width bearings identified by the suffix M1 are supplied with a retrofit kit described on pages 97, 98.
102
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Outside
Bore diameter Width Fillet radius1) Basic radial load rating Speed rating2)
Single and
Dynamic Static Open and shielded double sealed
MRC d D B ra C3) C0 Grease Oil Grease
bearing
number mm in. mm in. mm in. mm in. N lbf N lbf rpm rpm rpm
5304M 20 .7874 52 2.0472 22.23 .8750 1.0 .04 23 800 5 360 20 000 4 500 8 500 12 000 8 500
5304M1 20 .7874 52 2.0472 25.40 1.0000 1.0 .04 23 800 5 360 20 000 4 500 8 500 12 000 8 500
5305M 25 .9843 62 2.4409 25.40 1.0000 1.0 .04 34 100 7 670 30 500 6 860 7 500 10 000 7 500
5306M 30 1.1811 72 2.8346 30.16 1.1875 1.0 .04 46 800 10 500 43 000 9 670 6 300 8 500 6 300
5306M1 30 1.1811 72 2.8346 33.34 1.3125 1.0 .04 46 800 10 500 43 000 9 670 6 300 8 500 6 300
5307M 35 1.3780 80 3.1496 34.93 1.3750 1.5 .06 52 300 11 800 48 000 10 800 5 600 7 500 5 600
5307M1 35 1.3780 80 3.1496 38.10 1.5000 1.5 .06 52 300 11 800 48 000 10 800 5 600 7 500 5 600
5308M 40 1.5748 90 3.5433 36.51 1.4375 1.5 .06 67 100 15 100 65 500 14 700 5 000 6 700 5 000
5308M1 40 1.5748 90 3.5433 39.69 1.5625 1.5 .06 67 100 15 100 65 500 14 700 5 000 6 700 5 000
5309M 45 1.7717 100 3.9370 39.69 1.5625 1.5 .06 80 900 18 200 80 000 18 000 4 500 6 000 4 500
5309M1 45 1.7717 100 3.9370 42.86 1.6875 1.5 .06 80 900 18 200 80 000 18 000 4 500 6 000 4 500
5310M 50 1.9685 110 4.3307 44.45 1.7500 2.0 .08 95 200 21 400 95 000 21 400 4 000 5 300 4 000
5310M1 50 1.9685 110 4.3307 47.63 1.8750 2.0 .08 95 200 21 400 95 000 21 400 4 000 5 300 4 000
5311M 55 2.1654 120 4.7244 49.21 1.9375 2.0 .08 119 000 26 800 122 000 27 400 3 800 5 000 3 800
5311M1 55 2.1654 120 4.7244 52.39 2.0625 2.0 .08 119 000 26 800 122 000 27 400 3 800 5 000 3 800
5312M 60 2.3622 130 5.1181 53.98 2.1250 2.0 .08 134 000 30 200 143 000 32 100 3 400 4 500 3 400
5312M1 60 2.3622 130 5.1181 57.15 2.2500 2.0 .08 134 000 30 200 143 000 32 100 3 400 4 500 3 400
5313M 65 2.5591 140 5.5118 58.74 2.3125 2.0 .08 154 000 34 700 163 000 36 600 3 200 4 300 3 200
5313M1 65 2.5591 140 5.5118 61.91 2.4375 2.0 .08 154 000 34 700 163 000 36 600 3 200 4 300 3 200
5314M 70 2.7559 150 5.9055 63.50 2.5000 2.0 .08 172 000 38 700 186 000 41 800 2 800 3 800 2 800
5314M1 70 2.7559 150 5.9055 66.68 2.6250 2.0 .08 172 000 38 700 186 000 41 800 2 800 3 800 2 800
5315M 75 2.9528 160 6.2992 68.26 2.6875 2.0 .08 187 000 42 000 208 000 46 800 2 600 3 600 2 600
5315M1 75 2.9528 160 6.2992 71.44 2.8125 2.0 .08 187 000 42 000 208 000 46 800 2 600 3 600 2 600
5316M 80 3.1496 170 6.6929 68.26 2.6875 2.0 .08 201 000 45 200 236 000 53 100 2 400 3 400 2 400
5317 85 3.3465 180 7.0866 73.03 2.8750 2.5 .10 198 000 44 500 245 000 55 100 2 200 3 200 2 200
5318 90 3.5433 190 7.4803 73.03 2.8750 2.5 .10 224 000 50 400 290 000 65 200 2 000 3 000 2 000
5319 95 3.7402 200 7.8740 77.79 3.0625 2.5 .10 242 000 54 400 315 000 70 800 1 900 2 800 1 900
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) Listed values are for pressed steel cage, ABEC-1.
The values have been determined through historical application and practice. For a more complete explanation, see page 272.
3) Rating for one million revolutions or 500 hours at 331/3 rpm.
Note: Extra width bearings identified by the suffix M1 are supplied with a retrofit kit described on pages 97, 98.
103
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Outside
Bore diameter Width Fillet radius1) Basic radial load rating Speed rating
Dynamic Static
MRC d D B ra C2) C0 Grease Oil
bearing
number mm in. mm in. mm in. mm in. N lbf N lbf rpm rpm
5308UPG 40 1.5748 90 3.5433 36.51 1.4375 1.5 0.06 49 400 11 110 41 500 9 330 5 000 6 700
5309UPG 45 1.7717 100 3.9370 39.69 1.5625 1.5 0.06 61 800 13 890 52 000 11 690 4 500 6 000
5310UPG 50 1.9685 110 4.3307 44.45 1.7500 2.0 0.08 81 900 18 410 69 500 15 620 4 000 5 300
5311UPG 55 2.1654 120 4.7244 49.21 1.9375 2.0 0.08 95 600 21 490 83 000 18 660 3 800 5 000
5313UPG 65 2.5591 140 5.5118 58.74 2.3125 2.1 0.08 138 000 31 000 122 000 27 400 3 200 4 300
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) Rating for one million revolutions or 500 hours at 331/3 rpm.
104
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( CP )
3
(hours) 5300M 110
60n 5400C 70
C = Basic dynamic load rating n = Oil viscosity at operating temperature (cSt)
P = Dynamic equivalent radial load n = Speed in rpm
n = Speed in rpm dm = Mean bearing diameter = ( D+d
2 )
, (mm)
D = Bearing outside diameter (mm)
d = Bearing inside diameter (mm)
105
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Case 1 Case 3
Radial load (FR) = 1750 Radial load (FR) = 1750
FA/FR = 0/1750 = 0 Thrust load (FA) = 1500
Equivalent load (P) = X FR + Y FA FA/FR = 1500/1750 = 0.86
Since FA/ FR < e, equivalent load Equivalent load (P) = X FR + Y FA
(P) = 1.0 FR + 0.78 FA = 1.0 x 1750 = 1750 Since FA/ FR > e, equivalent load
(P) = 0.63 FR + 1.24 FA
( CP )= ( 12100
3 3
1750 )
Life (L10) = = 331 × 10 Rev.
6
= 0.63 x 1750 +1.24 x 1500 = 2963
or
12100 C
60n ( P ) 60 × 2000 ( 1750 )
10 C
6 3 12100 3
( P ) ( 2963 )
3 3
10 6
Life (L10) = = = 68.1 × 10 Rev.
6
Life (L10 ) =
h
=
or
12100
60n ( P ) 60 × 2000 ( 2963 )
3
10 C
6 3 10 6
= 2755 Hrs Life (L10 ) =
h
=
= 568 Hrs
Case 2 Case 4
Radial load (FR) = 1750 Thrust load (FA) = 1500
Thrust load (FA) = 1300 FA/FR = 1500/0 = ∞
FA/FR = 1300/1750 = 0.74 Equivalent load (P) = X FR + Y FA
Equivalent load (P) = X FR + Y FA Since FA/ FR > e, equivalent load
Since FA/ FR < e, equivalent load (P) = 0.63 FR + 1.24 FA = 1.24 x 1500 = 1860
(P) = 1.0 FR + 0.78 FA = 1.0 x 1750 + 0.78 x 1300 = 2764 C 3 12100 3
C 3 12100 3
()( )
Life (L10) = P =
1860
= 275 × 106 Rev.
Life (L10) =
P()( )
=
2764
= 83.9 × 106 Rev. or
106 C 3
() 106 12100
( )
3
or Life (L10h) = =
12100 3 60n P 60 × 2000 1860
Life (L10h) =
106 C 3
()
60n P
=
106
60 × 2000 2764 ( ) = 2294 Hrs
= 699 Hrs
106
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Case 1 Case 3
Radial load (FR) = 500 Radial load (FR) = 500
FA/FR = 0/500 = 0 Thrust load (FA) = 375
Equivalent load (P) = X FR + Y FA FA/FR = 375/500 = 0.75
Since FA/ FR < e, equivalent load Equivalent load (P) = X FR + Y FA
(P) = 1.0 FR + 0.92 FA = 1.0 x 500 = 500 Since FA/ FR > e, equivalent load
(P) = 0.67 FR + 1.41 FA
( CP )= ( 3210
3 3
500 )
Life (L10) = = 265 × 10 Rev.
6
= 0.67 x 500 +1.41 x 375 = 864
or
( CP ) = ( 3210
3 3
864 )
3210
60n ( P ) 60 × 2000 ( 500 )
10 C
6 3
10 6 3
Life (L10 ) =
h
= Life (L10) = = 51.3 × 10 Rev.
6
or
3210
60n ( P ) 60 × 2000 ( 864 )
10 C
6 3
10 6 3
= 2205 Hrs Life (L10 ) =
h
=
= 427 Hrs
Case 2 Case 4
Radial load (FR) = 500 Thrust load (FA) = 375
Thrust load (FA) = 325 FA/FR = 375/0 = ∞
FA/FR = 325/500 = 0.65 Equivalent load (P) = X FR + Y FA
Equivalent load (P) = X FR + Y FA Since FA/ FR > e, equivalent load
Since FA/ FR < e, equivalent load (P) = 0.67 FR + 1.41 FA = 1.41 x 375 = 529
(P) = 1.0 FR + 0.92 FA = 1.0 x 500 + 0.92 x 325 = 799 C 3 3210 3
C 3 3210 3 ()( )
Life (L10) = P =
529
= 223 × 106 Rev.
Life (L10) =()( )
P
=
799
= 64.8 × 106 Rev. or
3210 3
or
3210
Life (L10h) =
106 C 3
()
60n P
=
106
60 × 2000 529 ( )
60n ( P ) 60 × 2000 ( 799 )
10 C
6 3
10 6 3
Life (L10 ) =
h
=
= 1862 Hrs
= 540 Hrs
107
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108
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ra B
rb
R-type bearings are single-row 15° angular Cage types and materials
contact ball bearings with one heavy race
Cage types and materials available are:
shoulder and one counterbored race shoulder
ra ra two-piece pressed steel, ball-riding, bent
on the outer ring. Because of this construction,
15° prong cages; one-piece machined brass,
it is possible to incorporate a greater number
inner ring-riding cages; and one-piece
of balls than in the deep-groove nonfilling
D d phenolic (Bakelite), inner ring-riding cages.
notch bearing. R-type bearings have ample
radial capacity and moderate thrust capacity
in order to accommodate those applications
involving heavy radial loads; some thrust load;
or a combination of both.
Note: Normally furnished with ABMA C3 radial
clearance.
Series Page
1900R Extremely light - single bearing 110
1900RD Extremely light - duplex set 111
100R/RD Extra large - single bearing and duplex set 112
100KR Extra light - single bearing 113
100KRD Extra light - duplex set 114
200R Light - single bearing 115
200RD Light - duplex set 116
300R Medium - single bearing 117
300RD Medium - duplex set 118
400R/RD Heavy - single bearing and duplex set 119
XLS Inch size 120
R Equivalent load and life 122
R Life calculation examples 123
RD Equivalent load and life 124
RD Life calculation examples 125
109
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ra B
rb 1900R extremely light series bearings are
ra ra made with bores ranging from 10 mm to
200 mm. The extremely light section on the
15° 1900R bearing permits the use of these
bearings in applications where there are space
D d and weight limitations. These bearings can
accommodate light radial loads and one direc-
tional thrust loads, or a combination of both.
Use duplex bearings for two-directional thrust
loads. 1900R bearings can be furnished duplex
ground for installation in pairs.
Outside
Bore diameter Width Fillet radius1) Basic radial load rating Speed rating2)
Dynamic Static
MRC d D B ra rb ZD2 C3) C0 Grease Oil
bearing
number mm in. mm in. mm in. mm in. mm in. mm in. N lbf N lbf rpm rpm
1900R 10 .3937 22 .8661 6 .2362 .30 .012 .10 .004 110 .17 3 120 701 1 560 351 33 000 40 000
1901R 12 .4724 24 .9449 6 .2362 .30 .012 .10 .004 123 .19 3 250 731 1 800 405 30 000 36 000
1902R 15 .5906 28 1.1024 7 .2756 .30 .012 .10 .004 187 .29 4 880 1 100 2 700 607 24 000 30 000
1903R 17 .6693 30 1.1811 7 .2756 .30 .012 .10 .004 206 .32 5 400 1 210 3 000 674 22 000 28 000
1904R 20 .7874 37 1.4567 9 .3543 .30 .012 .15 .006 400 .62 9 360 2 100 5 850 1 320 18 000 22 000
1905R 25 .9843 42 1.6535 9 .3543 .30 .012 .15 .006 342 .53 7 610 1 710 5 300 1 190 16 000 19 000
1906R 30 1.1811 47 1.8504 9 .3543 .30 .012 .15 .006 452 .70 9 750 2 190 7 100 1 600 14 000 17 000
1907R 35 1.3780 55 2.1654 10 .3937 .64 .025 .15 .006 555 .86 11 200 2 520 9 000 2 020 11 000 14 000
1908R 40 1.5748 62 2.4409 12 .4724 .64 .025 .15 .006 722 1.12 14 300 3 210 11 600 2 600 10 000 15 000
1909R 45 1.7717 68 2.6772 12 .4724 .64 .025 .15 .006 806 1.25 15 100 3 400 13 400 3 010 9 000 11 000
1910R 50 1.9685 72 2.8346 12 .4724 .64 .025 .15 .006 1 070 1.66 19 500 4 380 17 300 3 900 8 500 10 000
1911R 55 2.1654 80 3.1496 13 .5118 1.00 .040 .30 .012 1 260 1.95 22 900 5 150 20 400 4 590 8 000 9 500
1912R 60 2.3622 85 3.3465 13 .5118 1.00 .040 .30 .012 1 390 2.15 24 200 5 440 22 800 5 130 7 500 9 000
1913R 65 2.5591 90 3.5433 13 .5118 1.00 .040 .30 .012 1 450 2.25 24 700 5 550 24 000 5 400 6 700 8 000
1914R 70 2.7559 100 3.9370 16 .6299 1.00 .040 .30 .012 1 990 3.09 33 200 7 460 32 500 7 300 6 300 7 500
1915R 75 2.9528 105 4.1339 16 .6299 1.00 .040 .30 .012 2 080 3.23 34 500 7 760 34 500 7 760 6 000 7 000
1916R 80 3.1496 110 4.3307 16 .6299 1.00 .040 .30 .012 2 180 3.38 34 500 7 760 36 000 8 100 5 600 6 700
1917R 85 3.3465 120 4.7244 18 .7087 1.00 .040 .60 .024 2 840 4.40 44 900 10 100 46 500 10 500 5 300 6 300
1918R 90 3.5433 125 4.9213 18 .7087 1.00 .040 .60 .024 3 400 5.27 52 700 11 800 56 000 12 600 5 000 6 000
1919R 95 3.7402 130 5.1181 18 .7087 1.00 .040 .60 .024 3 090 4.79 47 500 10 700 52 000 11 700 4 800 5 600
1920R 100 3.9370 140 5.5118 20 .7874 1.00 .040 .60 .024 3 870 6.00 58 500 13 200 64 000 14 400 4 500 5 300
1921R 105 4.1339 145 5.7087 20 .7874 1.00 .040 .60 .024 4 030 6.25 60 500 13 600 67 000 15 100 4 300 5 000
1922R 110 4.3307 150 5.9055 20 .7874 1.00 .040 .60 .024 3 820 5.93 55 300 12 400 64 000 14 400 4 000 4 800
1924R 120 4.7244 165 6.4961 22 .8661 1.00 .040 .60 .024 5 100 7.91 74 100 16 700 85 000 19 100 3 600 4 300
1926R 130 5.1181 180 7.0866 24 .9449 1.50 .060 .60 .024 6 300 9.77 90 400 20 500 106 000 23 800 3 400 4 000
1928R 140 5.5118 190 7.4803 24 .9449 1.50 .060 .60 .024 6 580 10.20 95 600 21 400 110 000 24 700 3 200 3 800
1930R 150 5.9055 210 8.2677 28 1.1024 2.00 .080 1.00 .040 9 090 14.10 125 000 28 200 150 000 33 700 2 800 3 400
1932R 160 6.2992 220 8.6614 28 1.1024 2.00 .080 1.00 .040 9 420 14.60 127 000 28 600 156 000 35 100 2 600 3 200
1934R 170 6.6929 230 9.0551 28 1.1024 2.00 .080 1.00 .040 10 200 15.80 133 000 29 800 170 000 38 300 2 400 3 000
1936R 180 7.0866 250 9.8425 33 1.2992 2.00 .080 1.00 .040 12 800 19.90 168 000 36 000 212 000 47 800 2 200 2 800
1938R 190 7.4803 260 10.2362 33 1.2992 2.00 .080 1.00 .040 13 400 20.70 174 000 39 100 224 000 50 400 2 200 2 800
1940R 200 7.8740 280 11.0236 38 1.4961 2.00 .080 1.00 .040 16 800 26.00 216 100 48 600 275 000 61 800 2 000 2 600
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) Listed values are for pressed steel or polyamide cage, ABEC-1.
For phenolic composition cage, multiply by 1.66 for grease and 2.00 for oil. For machined bronze cage, multiply by 1.25 for grease and 1.50 for oil. For phenolic composition cage, ABEC-5 or 7,
multiply by 2.30 for grease and 2.80 for oil. The speed rating adjustment factors have been determined through historical application and practice. For a more complete explanation, see page 272.
3) Rating for one million revolutions or 500 hours at 331/3 rpm.
110
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ra B Notes:
rb
“D” indicates a duplex ground half pair matched with an
ra ra identical half pair and is followed by an additional suffix
letter to describe the type of duplex. See pages 240
15° and 241 for suffix description.
Use these values for back-to-back (DB) or face-to-face
(DF) mounting arrangements.
D d
ABEC-1 and -3 are stocked as half-pairs where
available.
Outside
Bore diameter Width Fillet radius1) Basic radial load rating Speed rating2)
Dynamic Static
MRC d D B ra rb ZD2 C3) C0 Grease Oil
bearing
number mm in. mm in. mm in. mm in. mm in. mm in. N lbf N lbf rpm rpm
1900RD 10 .3937 22 .8661 12 .4724 .30 .012 .10 .004 110 .17 5 070 1 140 3 100 697 26 000 32 000
1901RD 12 .4724 24 .9449 12 .4724 .30 .012 .10 .004 123 .19 5 270 1 180 3 550 798 24 000 29 000
1902RD 15 .5906 28 1.1024 14 .5512 .30 .012 .10 .004 187 .29 7 930 1 780 5 400 1 210 19 000 24 000
1903RD 17 .6693 30 1.1811 14 .5512 .30 .012 .10 .004 206 .32 8 710 1 960 6 100 1 370 18 000 22 000
1904RD 20 .7874 37 1.4567 18 .7087 .30 .012 .15 .006 400 .62 15 300 3 440 11 600 2 600 14 000 18 000
1905RD 25 .9843 42 1.6535 18 .7087 .30 .012 .15 .006 342 .53 12 400 2 790 10 800 2 430 13 000 15 000
1906RD 30 1.1811 47 1.8504 18 .7087 .30 .012 .15 .006 452 .70 15 900 3 580 14 300 3 210 11 000 14 000
1907RD 35 1.3780 55 2.1654 20 .7874 .64 .025 .15 .006 555 .86 18 200 4 090 18 000 4 050 8 800 11 000
1908RD 40 1.5748 62 2.4409 24 .9449 .64 .025 .15 .006 722 1.12 22 900 5 150 23 200 5 220 8 000 10 000
1909RD 45 1.7717 68 2.6772 24 .9449 .64 .025 .15 .006 806 1.25 24 700 5 550 26 500 5 960 7 200 8 800
1910RD 50 1.9685 72 2.8346 24 .9449 .64 .025 .15 .006 1 070 1.66 31 900 7 170 34 500 7 760 6 800 8 000
1911RD 55 2.1654 80 3.1496 26 1.0236 1.00 .040 .30 .012 1 260 1.95 37 100 8 340 40 500 9 100 6 400 7 600
1912RD 60 2.3622 85 3.3465 26 1.0236 1.00 .040 .30 .012 1 390 2.15 39 000 8 770 45 500 10 200 6 000 7 200
1913RD 65 2.5591 90 3.5433 26 1.0236 1.00 .040 .30 .012 1 450 2.25 39 700 8 920 48 000 10 800 5 400 6 400
1914RD 70 2.7559 100 3.9370 32 1.2598 1.00 .040 .30 .012 1 990 3.09 54 000 12 100 65 500 14 700 5 000 6 000
1915RD 75 2.9528 105 4.1339 32 1.2598 1.00 .040 .30 .012 2 080 3.23 55 900 12 600 68 000 15 300 4 800 5 600
1916RD 80 3.1496 110 4.3307 32 1.2598 1.00 .040 .30 .012 2 180 3.38 57 200 12 900 72 000 16 200 4 500 5 400
1917RD 85 3.3465 120 4.7244 36 1.4173 1.00 .040 .60 .024 2 840 4.40 74 100 16 700 93 000 20 900 4 200 5 000
1918RD 90 3.5433 125 4.9213 36 1.4173 1.00 .040 .60 .024 3 400 5.27 85 200 19 200 112 000 25 200 4 000 4 800
1919RD 95 3.7402 130 5.1181 36 1.4173 1.00 .040 .60 .024 3 090 4.79 76 100 17 100 104 000 23 400 3 800 4 500
1920RD 100 3.9370 140 5.5118 40 1.5748 1.00 .040 .60 .024 3 870 6.00 95 600 21 500 127 000 28 600 3 600 4 200
1921RD 105 4.1339 145 5.7087 40 1.5748 1.00 .040 .60 .024 4 030 6.25 97 500 21 900 134 000 30 100 3 400 4 000
1922RD 110 4.3307 150 5.9055 40 1.5748 1.00 .040 .60 .024 3 820 5.93 90 400 20 300 129 000 29 000 3 200 3 800
1924RD 120 4.7244 165 6.4961 44 1.7323 1.00 .040 .60 .024 5 100 7.91 121 000 27 200 170 000 38 200 2 900 3 400
1926RD 130 5.1181 180 7.0866 48 1.8898 1.50 .060 .60 .024 6 300 9.77 146 000 32 800 208 000 46 800 2 700 3 200
1928RD 140 5.5118 190 7.4803 48 1.8898 1.50 .060 .60 .024 6 580 10.20 156 000 35 100 220 000 49 500 2 600 3 000
1930RD 150 5.9055 210 8.2677 56 2.2047 2.00 .080 1.00 .040 9 090 14.10 203 000 45 600 300 000 67 400 2 200 2 700
1932RD 160 6.2992 220 8.6614 56 2.2047 2.00 .080 1.00 .040 9 420 14.60 208 000 46 800 315 000 70 800 2 100 2 600
1934RD 170 6.6929 230 9.0551 56 2.2047 2.00 .080 1.00 .040 10 200 15.80 216 000 48 600 340 000 76 400 1 900 2 400
1936RD 180 7.0866 250 9.8425 66 2.5984 2.00 .080 1.00 .040 12 800 19.90 276 000 62 000 425 000 95 600 1 800 2 200
1938RD 190 7.4803 260 10.2362 66 2.5984 2.00 .080 1.00 .040 13 400 20.70 281 000 63 200 440 000 98 900 1 800 2 200
1940RD 200 7.8740 280 11.0236 76 2.9921 2.00 .080 1.00 .040 16 800 26.00 351 000 78 900 550 000 124 000 1 600 2 100
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) Listed values are for pressed steel or polyamide cage, ABEC-1.
For phenolic composition cage, multiply by 1.66 for grease and 2.00 for oil. For machined bronze cage, multiply by 1.25 for grease and 1.50 for oil. For phenolic composition cage, ABEC-5 or 7,
multiply by 2.30 for grease and 2.80 for oil. The speed rating adjustment factors have been determined through historical application and practice. For a more complete explanation, see page 272.
3) Rating for one million revolutions or 500 hours at 331/3 rpm.
111
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Outside
Bore diameter Width Fillet radius1) Basic radial load rating Speed rating2)
Dynamic Static
MRC d D B ra rb ZD2 C3) C0 Grease Oil
bearing
number mm in. mm in. mm in. mm in. mm in. mm in. N lbf N lbf rpm rpm
100R
120R 100 3.9370 160 6.2992 28 1.1024 2.0 .08 1.0 .040 6 100 9.45 95 600 21 500 95 000 21 400 3 900 4 800
122R 110 4.3307 175 6.8898 30 1.1811 2.0 .08 1.0 .040 7 290 11.30 114 000 25 600 114 000 25 600 3 600 4 400
124R 120 4.7244 190 7.4803 32 1.2598 2.0 .08 1.0 .040 8 970 13.90 134 000 30 100 140 000 31 500 3 300 4 000
126R 130 5.1181 205 8.0709 34 1.3386 2.0 .08 1.0 .040 9 350 14.50 138 000 31 000 150 000 33 700 3 000 3 700
128R 140 5.5118 220 8.6614 36 1.4173 2.0 .08 1.0 .040 10 800 16.80 157 000 35 300 173 000 38 900 2 800 3 400
130R 150 5.9055 235 9.2520 38 1.4961 2.0 .08 1.0 .040 12 400 19.30 176 000 39 600 200 000 45 000 2 600 3 200
132R 160 6.2992 250 9.8425 40 1.5748 2.0 .08 1.0 .040 14 200 22.00 183 000 41 100 228 000 51 300 2 500 3 000
134R 170 6.6929 265 10.4331 42 1.6535 2.5 .10 1.0 .040 16 000 24.80 216 000 48 600 255 000 57 300 2 300 2 800
136R 180 7.0866 280 11.0236 44 1.7323 2.5 .10 1.0 .040 17 900 27.80 233 000 52 400 285 000 64 100 2 100 2 600
138R 190 7.4803 300 11.8110 46 1.8110 2.5 .10 1.0 .040 22 200 34.40 275 000 61 800 355 000 79 800 2 100 2 500
140R 200 7.8740 320 12.5984 48 1.8898 2.5 .10 1.0 .040 24 400 37.90 292 000 65 600 390 000 87 700 1 900 2 300
142R 210 8.2677 340 13.3858 50 1.9685 2.5 .10 1.0 .040 28 000 43.40 319 000 71 700 440 000 98 900 1 800 2 200
144R 220 8.6614 350 13.7795 51 2.0079 2.5 .10 1.0 .040 29 300 45.50 336 000 75 500 465 000 105 000 1 700 2 100
146R 230 9.0551 370 14.5669 53 2.0866 3.0 .12 1.0 .040 31 900 49.50 352 000 79 100 510 000 115 000 1 600 2 000
148R 240 9.4488 390 15.3543 55 2.1654 3.0 .12 1.0 .040 34 600 53.70 374 000 84 100 550 000 124 000 1 600 1 900
150R 250 9.8425 410 16.1417 57 2.2441 3.0 .12 1.0 .040 37 500 58.10 393 000 88 400 600 000 135 000 1 500 1 800
152R 260 10.2362 430 16.9291 59 2.3228 3.0 .12 1.0 .040 40 400 62.70 413 000 92 800 655 000 147 000 1 400 1 700
156R 280 11.0236 460 18.1102 63 2.4803 3.0 .12 1.0 .040 46 600 72.30 457 000 103 000 750 000 169 000 1 300 1 600
164R 320 12.5984 500 19.6850 71 2.7953 3.0 .12 1.0 .040 56 800 88.00 523 000 118 000 900 000 202 000 1 100 1 400
100RD
120RD 100 3.9370 160 6.2992 56 2.2047 2.0 .08 1.0 .040 6 100 9.450 156 000 35 100 190 000 42 700 3 100 3 800
122RD 110 4.3307 175 6.8898 60 2.3622 2.0 .08 1.0 .040 7 290 11.30 185 000 41 800 228 000 51 300 2 900 3 500
124RD 120 4.7244 190 7.4803 64 2.5197 2.0 .08 1.0 .040 8 970 13.90 221 000 49 700 280 000 62 900 2 600 3 200
126RD 130 5.1181 205 8.0709 68 2.6772 2.0 .08 1.0 .040 9 350 14.50 221 000 49 700 300 000 67 400 2 400 3 000
128RD 140 5.5118 220 8.6614 72 2.8346 2.0 .08 1.0 .040 10 800 16.80 255 000 57 300 345 000 77 600 2 200 2 700
130RD 150 5.9055 235 9.2520 76 2.9921 2.0 .08 1.0 .040 12 400 19.30 286 000 64 300 400 000 89 900 2 100 2 600
132RD 160 6.2992 250 9.8425 80 3.1496 2.0 .08 1.0 .040 14 200 22.00 296 000 66 500 455 000 102 000 2 000 2 400
134RD 170 6.6929 265 10.4331 84 3.3071 2.5 .10 1.0 .040 16 000 24.80 351 000 78 900 510 000 115 000 1 800 2 200
136RD 180 7.0866 280 11.0236 88 3.4646 2.5 .10 1.0 .040 17 900 27.80 377 000 84 800 570 000 128 000 1 700 2 100
138RD 190 7.4803 300 11.8110 92 3.6220 2.5 .10 1.0 .040 22 200 34.40 442 000 99 400 710 000 160 000 1 700 2 000
140RD 200 7.8740 320 12.5984 96 3.7795 2.5 .10 1.0 .040 24 400 37.90 475 000 107 000 780 000 175 000 1 500 1 800
142RD 210 8.2677 340 13.3858 100 3.9370 2.5 .10 1.0 .040 28 000 43.40 527 000 118 000 880 000 198 000 1 400 1 800
144RD 220 8.6614 350 13.7795 102 4.0157 2.5 .10 1.0 .040 29 300 45.50 540 000 121 000 930 000 209 000 1 400 1 700
146RD 230 9.0551 370 14.5669 106 4.1732 3.0 .12 1.0 .040 31 900 49.50 572 000 129 000 1 020 000 229 000 1 300 1 600
148RD 240 9.4488 390 15.3543 110 4.3307 3.0 .12 1.0 .040 34 600 53.70 605 000 136 000 1 100 000 247 000 1 300 1 500
150RD 250 9.8425 410 16.1417 114 4.4882 3.0 .12 1.0 .040 37 500 58.10 637 000 143 000 1 200 000 270 000 1 200 1 400
152RD 260 10.2362 430 16.9291 118 4.6457 3.0 .12 1.0 .040 40 400 62.70 676 000 152 000 1 290 000 290 000 1 100 1 400
156RD 280 11.0236 460 18.1102 126 4.9606 3.0 .12 1.0 .040 46 600 72.30 741 000 167 000 1 500 000 337 000 1 000 1 300
164RD 320 12.5984 500 19.6850 142 5.5906 3.0 .12 1.0 .040 56 800 88.00 852 000 192 000 1 800 000 405 000 880 1 100
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) Listed values are for pressed steel or polyamide cage, ABEC-1.
For phenolic composition cage, multiply by 1.66 for grease and 2.00 for oil. For machined bronze cage, multiply by 1.25 for grease and 1.50 for oil. For phenolic composition cage, ABEC-5 or 7,
multiply by 2.30 for grease and 2.80 for oil. The speed rating adjustment factors have been determined through historical application and practice. For a more complete explanation, see page 272.
3) Rating for one million revolutions or 500 hours at 331/3 rpm.
112
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Outside
Bore diameter Width Fillet radius1) Basic radial load rating Speed rating2)
Dynamic Static
MRC d D B ra rb ZD2 C3) C0 Grease Oil
bearing
number mm in. mm in. mm in. mm in. mm in. mm in. N lbf N lbf rpm rpm
100KR 10 .3937 26 1.0236 8 .3150 .30 .012 .10 .004 181 .28 4 940 1 110 2 280 513 30 000 36 000
101KR 12 .4724 28 1.1024 8 .3150 .30 .012 .10 .004 206 .32 5 530 1 240 2 650 596 26 000 32 000
102KR 15 .5906 32 1.2598 9 .3543 .30 .012 .10 .004 226 .35 6 050 1 350 3 150 708 22 000 28 000
103KR 17 .6693 35 1.3780 10 .3937 .30 .012 .10 .004 342 .53 8 520 1 920 4 650 1 050 19 000 24 000
104KR 20 .7874 42 1.6535 12 .4724 .64 .025 .30 .012 445 .69 10 800 2 420 6 200 1 390 17 000 20 000
105KR 25 .9843 47 1.8504 12 .4724 .64 .025 .30 .012 522 .81 12 100 2 720 7 650 1 720 15 000 18 000
106KR 30 1.1811 55 2.1654 13 .5118 1.00 .040 .30 .012 716 1.11 15 600 3 500 10 600 2 380 12 000 15 000
107KR 35 1.3780 62 2.4409 14 .5512 1.00 .040 .30 .012 884 1.37 18 600 4 180 13 200 2 970 10 000 13 000
108KR 40 1.5748 68 2.6772 15 .5906 1.00 .040 .30 .012 942 1.46 19 500 4 380 14 600 3 280 9 500 12 000
109KR 45 1.7717 75 2.9528 16 .6299 1.00 .040 .30 .012 1 220 1.89 24 200 5 440 19 000 4 270 9 000 11 000
110KR 50 1.9685 80 3.1496 16 .6299 1.00 .040 .30 .012 1 300 2.01 25 100 5 640 20 400 4 590 8 500 10 000
111KR 55 2.1654 90 3.5433 18 .7087 1.00 .040 .60 .024 1 810 2.81 33 800 7 600 28 000 6 290 7 500 9 000
112KR 60 2.3622 95 3.7402 18 .7087 1.00 .040 .60 .024 1 920 2.97 35 100 7 890 30 000 6 740 6 700 8 000
113KR 65 2.5591 100 3.9370 18 .7087 1.00 .040 .60 .024 2 030 3.14 35 800 8 050 32 500 7 310 6 300 7 500
114KR 70 2.7559 110 4.3307 20 .7874 1.00 .040 .60 .024 2 470 3.83 42 300 9 510 40 000 8 990 6 000 7 000
115KR 75 2.9528 115 4.5276 20 .7874 1.00 .040 .60 .024 2 590 4.02 43 600 9 800 42 500 9 550 5 600 6 770
116KR 80 3.1496 125 4.9213 22 .8661 1.00 .040 .60 .024 3 390 5.25 55 900 12 600 54 000 12 100 5 300 6 300
117KR 85 3.3465 130 5.1181 22 .8661 1.00 .040 .60 .024 3 550 5.50 57 200 12 900 57 000 12 800 5 000 6 000
118KR 90 3.5433 140 5.5118 24 .9449 1.50 .060 .60 .024 4 280 6.64 68 900 15 500 68 000 15 300 4 800 5 600
119KR 95 3.7402 145 5.7087 24 .9449 1.50 .060 .60 .024 5 040 7.81 83 200 18 700 80 000 18 000 4 500 5 300
120KR 100 3.9370 150 5.9055 24 .9449 1.50 .060 .60 .024 4 700 7.28 71 500 16 100 76 500 17 200 4 300 5 000
121KR 105 4.1339 160 6.2992 26 1.0236 2.00 .080 1.00 .040 5 540 8.59 85 200 19 200 90 000 20 200 4 000 4 800
122KR 110 4.3307 170 6.6929 28 1.1024 2.00 .080 1.00 .040 6 400 9.93 99 500 22 400 102 000 23 000 3 800 4 500
124KR 120 4.7244 180 7.0866 28 1.1024 2.00 .080 1.00 .040 6 710 10.40 101 000 22 600 110 000 24 700 3 400 4 000
126KR 130 5.1181 200 7.8740 33 1.2992 2.00 .080 1.00 .040 9 350 14.50 138 000 31 000 150 000 33 700 3 200 3 800
128KR 140 5.5118 210 8.2677 33 1.2992 2.00 .080 1.00 .040 9 350 14.50 135 000 30 300 153 000 34 400 3 000 3 600
130KR 150 5.9055 225 8.8583 35 1.3780 2.00 .080 1.00 .040 10 800 16.80 156 000 35 000 176 000 39 600 2 600 3 200
132KR 160 6.2992 240 9.4488 38 1.4961 2.00 .080 1.00 .040 12 400 19.30 178 000 40 000 204 000 45 900 2 400 3 000
134KR 170 6.6929 260 10.2362 42 1.6535 2.00 .080 1.00 .040 15 300 23.70 212 000 47 700 245 000 55 100 2 200 2 800
136KR 180 7.0866 280 11.0236 46 1.8110 2.00 .080 1.00 .040 17 900 27.80 234 000 52 600 290 000 65 200 2 000 2 600
138KR 190 7.4803 290 11.4173 46 1.8110 2.00 .080 1.00 .040 18 800 29.10 242 000 54 400 305 000 68 600 2 000 2 600
140KR 200 7.8740 310 12.2047 51 2.0079 2.00 .080 1.00 .040 22 200 34.40 276 000 62 000 355 000 79 800 1 900 2 400
144KR 220 8.6614 340 13.3858 56 2.2047 2.50 .100 1.00 .040 30 400 47.20 345 000 77 600 480 000 108 000 1 800 2 200
148KR 240 9.4488 360 14.1732 56 2.2047 2.50 .100 1.00 .040 31 900 49.50 351 000 78 900 510 000 115 000 1 700 2 000
152KR 260 10.2362 400 15.7480 65 2.5591 3.00 .120 1.50 .060 41 500 64.30 423 000 95 100 655 000 147 000 1 500 1 800
156KR 280 11.0236 420 16.5354 65 2.5591 3.00 .120 1.50 .060 43 500 67.40 436 000 98 000 695 000 156 000 1 400 1 700
160KR 300 11.8110 460 18.1102 74 2.9134 3.00 .120 1.50 .060 54 200 84.00 520 000 117 000 850 000 191 000 1 200 1 500
164KR 320 12.5984 480 18.8976 74 2.9134 3.00 .120 1.50 .060 56 800 88.00 527 000 118 000 900 000 202 000 1 100 1 400
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) Listed values are for pressed steel or polyamide cage, ABEC-1.
For phenolic composition cage, multiply by 1.66 for grease and 2.00 for oil. For machined bronze cage, multiply by 1.25 for grease and 1.50 for oil. For phenolic composition cage, ABEC-5 or 7,
multiply by 2.30 for grease and 2.80 for oil. The speed rating adjustment factors have been determined through historical application and practice. For a more complete explanation, see page 272.
3) Rating for one million revolutions or 500 hours at 331/3 rpm.
113
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Outside
Bore diameter Width Fillet radius1) Basic radial load rating Speed rating2)
Dynamic Static
MRC d D B ra rb ZD2 C3) C0 Grease Oil
bearing
number mm in. mm in. mm in. mm in. mm in. mm in. N lbf N lbf rpm rpm
100KRD 10 .3937 26 1.0236 16 .6299 .30 .012 .10 .004 181 .28 8 060 1 810 4 550 1 020 24 000 29 000
101KRD 12 .4724 28 1.1024 16 .6299 .30 .012 .10 .004 206 .32 8 840 1 990 5 300 1 190 21 000 26 000
102KRD 15 .5906 32 1.2598 18 .7087 .30 .012 .10 .004 226 .35 9 750 2 190 6 300 1 420 18 000 22 000
103KRD 17 .6693 35 1.3780 20 .7874 .30 .012 .10 .004 342 .53 13 800 3 100 9 300 2 090 15 000 19 000
104KRD 20 .7874 42 1.6535 24 .9449 .64 .025 .30 .012 445 .69 17 400 3 910 12 500 2 810 14 000 16 000
105KRD 25 .9843 47 1.8504 24 .9449 .64 .025 .30 .012 522 .81 19 500 4 380 15 300 3 440 12 000 14 000
106KRD 30 1.1811 55 2.1654 26 1.0236 1.00 .040 .30 .012 716 1.11 25 500 5 730 21 200 4 760 9 600 12 000
107KRD 35 1.3780 62 2.4409 28 1.1024 1.00 .040 .30 .012 884 1.37 30 200 6 790 26 500 5 960 8 000 10 000
108KRD 40 1.5748 68 2.6772 30 1.1811 1.00 .040 .30 .012 942 1.46 31 900 7 170 29 000 6 520 7 600 9 600
109KRD 45 1.7717 75 2.9528 32 1.2598 1.00 .040 .30 .012 1 220 1.89 39 000 8 770 37 500 8 430 7 200 8 800
110KRD 50 1.9685 80 3.1496 32 1.2598 1.00 .040 .30 .012 1 300 2.01 40 300 9 060 40 500 9 100 6 800 8 000
111KRD 55 2.1654 90 3.5433 36 1.4173 1.00 .040 .60 .024 1 810 2.81 55 300 12 400 56 000 12 600 6 000 7 200
112KRD 60 2.3622 95 3.7402 36 1.4173 1.00 .040 .60 .024 1 920 2.97 55 900 12 600 61 000 13 700 5 400 6 400
113KRD 65 2.5591 100 3.9370 36 1.4173 1.00 .040 .60 .024 2 030 3.14 58 500 13 200 64 000 14 400 5 000 6 000
114KRD 70 2.7559 110 4.3307 40 1.5748 1.00 .040 .60 .024 2 470 3.83 68 900 15 500 80 000 18 000 4 800 5 600
115KRD 75 2.9528 115 4.5276 40 1.5748 1.00 .040 .60 .024 2 590 4.02 70 200 15 800 85 000 19 100 4 500 5 400
116KRD 80 3.1496 125 4.9213 44 1.7323 1.00 .040 .60 .024 3 390 5.25 90 400 20 300 110 000 24 700 4 200 5 000
117KRD 85 3.3465 130 5.1181 44 1.7323 1.00 .040 .60 .024 3 550 5.50 92 300 20 700 116 000 26 100 4 000 4 800
118KRD 90 3.5433 140 5.5118 48 1.8898 1.50 .060 .60 .024 4 280 6.64 111 000 25 000 137 000 30 800 3 800 4 500
119KRD 95 3.7402 145 5.7087 48 1.8898 1.50 .060 .60 .024 5 040 7.81 135 000 30 300 160 000 36 000 3 600 4 200
120KRD 100 3.9370 150 5.9055 48 1.8898 1.50 .060 .60 .024 4 700 7.28 117 000 26 300 153 000 34 400 3 400 4 000
121KRD 105 4.1339 160 6.2992 52 2.0472 2.00 .080 1.00 .040 5 540 8.59 138 000 31 000 180 000 40 500 3 200 3 800
122KRD 110 4.3307 170 6.6929 56 2.2047 2.00 .080 1.00 .040 6 400 9.93 163 000 36 600 204 000 45 900 3 000 3 600
124KRD 120 4.7244 180 7.0866 56 2.2047 2.00 .080 1.00 .040 6 710 10.40 163 000 36 600 220 000 49 500 2 700 3 200
126KRD 130 5.1181 200 7.8740 66 2.5984 2.00 .080 1.00 .040 9 350 14.50 225 000 50 000 300 000 67 400 2 600 3 000
128KRD 140 5.5118 210 8.2677 66 2.5984 2.00 .080 1.00 .040 9 350 14.50 221 000 49 700 305 000 68 600 2 400 2 900
130KRD 150 5.9055 225 8.8583 70 2.7559 2.00 .080 1.00 .040 10 800 16.80 255 000 57 300 355 000 79 800 2 100 2 600
132KRD 160 6.2992 240 9.4488 76 2.9921 2.00 .080 1.00 .040 12 400 19.30 286 000 64 300 405 000 91 000 1 900 2 400
134KRD 170 6.6929 260 10.2362 84 3.3071 2.00 .080 1.00 .040 15 300 23.70 345 000 77 600 490 000 110 000 1 800 2 200
136KRD 180 7.0866 280 11.0236 92 3.6220 2.00 .080 1.00 .040 17 900 27.80 377 000 84 800 570 000 128 000 1 600 2 100
138KRD 190 7.4803 290 11.4173 92 3.6220 2.00 .080 1.00 .040 18 800 29.10 390 000 87 700 610 000 137 000 1 600 2 100
140KRD 200 7.8740 310 12.2047 102 4.0157 2.00 .080 1.00 .040 22 200 34.40 442 000 99 400 710 000 160 000 1 500 1 900
144KRD 220 8.6614 340 13.3858 112 4.4094 2.50 .100 1.00 .040 30 400 47.20 559 000 126 000 965 000 217 000 1 400 1 800
148KRD 240 9.4488 360 14.1732 112 4.4094 2.50 .100 1.00 .040 31 900 49.50 572 000 129 000 1 020 000 228 000 1 400 1 600
152KRD 260 10.2362 400 15.7480 130 5.1181 3.00 .120 1.50 .060 41 500 64.30 702 000 158 000 1 320 000 297 000 1 200 1 400
156KRD 280 11.0236 420 16.5354 130 5.1181 3.00 .120 1.50 .060 43 500 67.40 715 000 161 000 1 400 000 315 000 1 100 1 400
160KRD 300 11.8110 460 18.1102 148 5.8268 3.00 .120 1.50 .060 54 200 84.00 832 000 187 000 1 700 000 382 000 960 1 200
164KRD 320 12.5984 480 18.8976 148 5.8268 3.00 .120 1.50 .060 56 800 88.00 852 000 192 000 1 810 000 406 000 880 1 100
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) Listed values are for pressed steel or polyamide cage, ABEC-1.
For phenolic composition cage, multiply by 1.66 for grease and 2.00 for oil. For machined bronze cage, multiply by 1.25 for grease and 1.50 for oil. For phenolic composition cage, ABEC-5 or 7,
multiply by 2.30 for grease and 2.80 for oil. The speed rating adjustment factors have been determined through historical application and practice. For a more complete explanation, see page 272.
3) Rating for one million revolutions or 500 hours at 331/3 rpm.
114
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Outside
Bore diameter Width Fillet radius1) Basic radial load rating Speed rating2)
Dynamic Static
MRC d D B ra rb ZD2 C3) C0 Grease Oil
bearing
number mm in. mm in. mm in. mm in. mm in. mm in. N lbf N lbf rpm rpm
200R 10 .3937 30 1.1811 9 .3543 .64 .025 .30 .012 284 .44 7 280 1 640 3 200 719 24 000 30 000
201R 12 .4724 32 1.2598 10 .3937 .64 .025 .30 .012 323 .50 8 190 1 840 3 900 877 22 000 28 000
202R 15 .5906 35 1.3780 11 .4331 .64 .025 .30 .012 406 .63 9 750 2 190 5 100 1 150 19 000 24 000
203R 17 .6693 40 1.5748 12 .4724 .64 .025 .30 .012 510 .79 12 100 2 720 6 550 1 470 17 000 20 000
204R 20 .7874 47 1.8504 14 .5512 1.00 .040 .60 .024 613 .95 14 000 3 150 8 500 1 910 15 000 18 000
205R 25 .9843 52 2.0472 15 .5906 1.00 .040 .60 .024 755 1.17 16 800 3 780 10 600 2 380 12 000 15 000
206R 30 1.1811 62 2.4409 16 .6299 1.00 .040 .60 .024 884 1.37 19 000 4 270 12 900 2 910 10 000 13 000
207R 35 1.3780 72 2.8346 17 .6693 1.00 .040 .60 .024 1 270 1.97 26 000 5 850 18 600 4 180 9 000 11 000
208R 40 1.5748 80 3.1496 18 .7087 1.00 .040 .60 .024 1 730 2.68 34 500 7 760 25 000 5 620 8 500 10 000
209R 45 1.7717 85 3.3465 19 .7480 1.00 .040 .60 .024 1 730 2.68 34 500 7 760 25 500 5 730 7 500 9 000
210R 50 1.9685 90 3.5433 20 .7874 1.00 .040 .60 .024 1 970 3.06 37 700 8 480 30 000 6 740 7 000 8 500
211R 55 2.1654 100 3.9370 21 .8268 1.50 .060 1.00 .040 2 860 4.43 54 000 12 100 41 500 9 330 6 300 7 500
212R 60 2.3622 110 4.3307 22 .8661 1.50 .060 1.00 .040 3 260 5.06 59 200 13 300 49 000 11 000 6 000 7 000
213R 65 2.5591 120 4.7244 23 .9055 1.50 .060 1.00 .040 4 030 6.25 60 500 13 600 58 500 13 200 5 300 6 300
214R 70 2.7559 125 4.9213 24 .9449 1.50 .060 1.00 .040 4 530 7.03 78 000 17 500 68 000 15 300 5 000 6 000
215R 75 2.9528 130 5.1181 25 .9843 1.50 .060 1.00 .040 5 190 8.04 88 400 19 900 76 500 17 200 4 800 5 600
216R 80 3.1496 140 5.5118 26 1.0236 2.00 .080 1.00 .040 4 880 7.56 85 200 19 200 73 500 16 500 4 500 5 300
217R 85 3.3465 150 5.9055 28 1.1024 2.00 .080 1.00 .040 6 170 9.56 104 000 23 400 93 000 20 900 4 300 5 000
218R 90 3.5433 160 6.2992 30 1.1811 2.00 .080 1.00 .040 7 870 12.20 130 000 29 200 116 000 26 100 3 800 4 500
219R 95 3.7402 170 6.6929 32 1.2598 2.00 .080 1.00 .040 8 390 13.00 138 000 31 000 125 000 28 000 3 600 4 300
220R 100 3.9370 180 7.0866 34 1.3386 2.00 .080 1.00 .040 9 610 14.90 153 000 34 000 143 000 32 100 3 400 4 000
221R 105 4.1339 190 7.4803 36 1.4173 2.00 .080 1.00 .040 10 300 16.00 168 000 37 800 153 000 34 400 3 200 3 800
222R 110 4.3307 200 7.8740 38 1.4961 2.00 .080 1.00 .040 11 700 18.10 182 000 40 900 170 000 38 200 3 000 3 600
224R 120 4.7244 215 8.4646 40 1.5748 2.00 .080 1.00 .040 13 000 20.20 199 000 44 700 193 000 43 300 2 800 3 400
226R 130 5.1181 230 9.0551 40 1.5748 2.50 .100 1.00 .040 15 500 24.00 221 000 49 600 232 000 52 200 2 600 3 200
228R 140 5.5118 250 9.8425 42 1.6535 2.50 .100 1.00 .040 17 200 26.60 238 000 53 500 260 000 58 500 2 400 2 900
230R 150 5.9055 270 10.6299 45 1.7717 2.50 .100 1.00 .040 20 700 32.10 270 000 60 700 310 000 69 700 2 200 2 700
232R 160 6.2992 290 11.4173 48 1.8898 2.50 .100 1.00 .040 24 600 38.20 307 000 69 000 365 000 82 100 2 100 2 500
234R 170 6.6929 310 12.2047 52 2.0472 3.00 .120 1.00 .040 27 200 42.20 332 000 74 600 400 000 89 900 1 900 2 300
236R 180 7.0866 320 12.5984 52 2.0472 3.00 .120 1.00 .040 29 000 44.90 345 000 77 600 430 000 96 700 1 800 2 200
238R 190 7.4803 340 13.3858 55 2.1654 3.00 .120 1.00 .040 33 100 51.30 377 000 84 800 500 000 112 000 1 700 2 100
240R 200 7.8740 360 14.1732 58 2.2835 3.00 .120 1.00 .040 35 500 55.10 390 000 87 700 540 000 121 000 1 600 2 000
242R 210 8.2677 380 14.9606 61 2.4016 3.00 .120 1.00 .040 40 800 63.30 436 000 98 000 610 000 137 000 1 600 1 900
244R 220 8.6614 400 15.7480 65 2.5591 3.00 .120 1.00 .040 43 900 68.00 462 000 104 000 655 000 147 000 1 500 1 800
246R 230 9.0551 420 16.5354 68 2.6772 3.00 .120 1.00 .040 49 500 76.80 494 000 111 000 735 000 165 000 1 400 1 700
248R 240 9.4488 440 17.3228 72 2.8346 3.00 .120 1.00 .040 55 500 86.10 540 000 121 000 830 000 187 000 1 300 1 600
250R 250 9.8425 460 18.1102 76 2.9921 4.00 .160 1.50 .060 61 900 95.90 585 000 132 000 915 000 206 000 1 200 1 500
252R 260 10.2362 480 18.8976 80 3.1496 4.00 .160 1.50 .060 68 400 106.00 624 000 140 000 1 020 000 229 000 1 100 1 400
256R 280 11.0236 500 19.6850 80 3.1496 4.00 .160 1.50 .060 72 200 112.00 650 000 146 000 1 100 000 247 000 1 100 1 400
260R 300 11.8110 540 21.2598 85 3.3465 4.00 .160 1.50 .060 80 000 124.00 689 000 155 000 1 220 000 274 000 1 100 1 300
264R 320 12.5984 580 22.8346 92 3.6220 4.00 .160 1.50 .060 87 700 136.00 741 000 167 000 1 340 000 301 000 980 1 200
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) Listed values are for pressed steel or polyamide cage, ABEC-1.
For phenolic composition cage, multiply by 1.66 for grease and 2.00 for oil. For machined bronze cage, multiply by 1.25 for grease and 1.50 for oil. For phenolic composition cage, ABEC-5 or 7,
multiply by 2.30 for grease and 2.80 for oil. The speed rating adjustment factors have been determined through historical application and practice. For a more complete explanation, see page 272.
3) Rating for one million revolutions or 500 hours at 331/3 rpm.
115
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Outside
Bore diameter Width Fillet radius1) Basic radial load rating Speed rating2)
Note: ABEC 1 & 3 are stocked
as half-pairs where available
Dynamic Static
MRC d D B ra rb ZD2 C3) C0 Grease Oil
bearing
number mm in. mm in. mm in. mm in. mm in. mm in. N lbf N lbf rpm rpm
200RD 10 .3937 30 1.1811 18 .7087 .64 .025 .30 .012 284 .44 11 900 2 680 6 400 1 440 19 000 24 000
201RD 12 .4724 32 1.2598 20 .7874 .64 .025 .30 .012 323 .50 13 300 2 990 7 800 1 750 18 000 22 000
202RD 15 .5906 35 1.3780 22 .8661 .64 .025 .30 .012 406 .63 15 900 3 570 10 200 2 290 15 000 19 000
203RD 17 .6693 40 1.5748 24 .9449 .64 .025 .30 .012 510 .79 19 900 4 470 13 200 2 970 14 000 16 000
204RD 20 .7874 47 1.8504 28 1.1024 1.00 .040 .60 .024 613 .95 22 900 5 140 17 000 3 820 12 000 14 000
205RD 25 .9843 52 2.0472 30 1.1811 1.00 .040 .60 .024 755 1.17 27 600 6 200 21 200 4 770 9 600 12 000
206RD 30 1.1811 62 2.4409 32 1.2598 1.00 .040 .60 .024 884 1.37 30 700 6 900 26 000 5 850 8 000 10 000
207RD 35 1.3780 72 2.8346 34 1.3386 1.00 .040 .60 .024 1 207 1.97 42 300 9 510 37 500 8 430 7 200 8 800
208RD 40 1.5748 80 3.1496 36 1.4173 1.00 .040 .60 .024 1 730 2.68 55 900 12 600 50 000 11 200 6 800 8 000
209RD 45 1.7717 85 3.3465 38 1.4961 1.00 .040 .60 .024 1 730 2.68 55 900 12 600 51 000 11 500 6 000 7 200
210RD 50 1.9685 90 3.5433 40 1.5748 1.00 .040 .60 .024 1 970 3.06 60 500 13 600 60 000 13 500 5 600 6 800
211RD 55 2.1654 100 3.9370 42 1.6535 1.50 .060 1.00 .040 2 860 4.43 87 100 19 600 83 000 18 700 5 000 6 000
212RD 60 2.3622 110 4.3307 44 1.7323 1.50 .060 1.00 .040 3 260 5.06 95 600 21 500 98 000 22 000 4 800 5 600
213RD 65 2.5591 120 4.7244 46 1.8110 1.50 .060 1.00 .040 4 030 6.25 97 500 21 900 118 000 26 500 4 200 5 000
214RD 70 2.7559 125 4.9213 48 1.8898 1.50 .060 1.00 .040 4 530 7.03 125 000 28 200 137 000 30 800 4 000 4 800
215RD 75 2.9528 130 5.1181 50 1.9685 1.50 .060 1.00 .040 5 190 8.04 143 000 32 100 153 000 34 400 3 800 4 500
216RD 80 3.1496 140 5.5118 52 2.0472 2.00 .080 1.00 .040 4 880 7.56 138 000 31 000 140 000 31 500 3 600 4 200
217RD 85 3.3465 150 5.9055 56 2.2047 2.00 .080 1.00 .040 6 170 9.56 168 000 37 800 186 000 41 800 3 400 4 000
218RD 90 3.5433 160 6.2992 60 2.3622 2.00 .080 1.00 .040 7 870 12.20 212 000 47 700 232 000 52 200 3 000 3 600
219RD 95 3.7402 170 6.6929 64 2.5197 2.00 .080 1.00 .040 8 390 13.00 221 000 49 700 250 000 56 200 2 900 3 400
220RD 100 3.9370 180 7.0866 68 2.6772 2.00 .080 1.00 .040 9610 14.90 251 000 56 400 285 000 64 100 2 700 3 200
221RD 105 4.1339 190 7.4803 72 2.8346 2.00 .080 1.00 .040 10 300 16.00 270 000 60 700 305 000 68 600 2 600 3 000
222RD 110 4.3307 200 7.8740 76 2.9921 2.00 .080 1.00 .040 11 700 18.10 296 000 66 500 340 000 76 400 2 400 2 900
224RD 120 4.7244 215 8.4646 80 3.1496 2.00 .080 1.00 .040 13 000 20.20 325 000 73 100 390 000 87 700 2 200 2 700
226RD 130 5.1181 230 9.0551 80 3.1496 2.50 .100 1.00 .040 15 500 24.00 358 000 80 500 465 000 105 000 2 100 2 600
228RD 140 5.5118 250 9.8425 84 3.3071 2.50 .100 1.00 .040 17 200 26.60 390 000 87 700 510 000 115 000 1 900 2 300
230RD 150 5.9055 270 10.6299 90 3.5433 2.50 .100 1.00 .040 20 700 32.10 442 000 99 400 620 000 139 000 1 800 2 200
232RD 160 6.2992 290 11.4173 96 3.7795 2.50 .100 1.00 .040 24 600 38.20 494 000 111 000 735 000 165 000 1 700 2 000
234RD 170 6.6929 310 12.2047 104 4.0945 3.00 .120 1.00 .040 27 200 42.20 527 000 118 000 800 000 180 000 1 500 1 800
236RD 180 7.0866 320 12.5984 104 4.0945 3.00 .120 1.00 .040 29 000 44.90 559 000 126 000 865 000 194 000 1 400 1 800
238RD 190 7.4803 340 13.3858 110 4.3307 3.00 .120 1.00 .040 33 100 51.30 605 000 136 000 1 000 000 225 000 1 400 1 700
240RD 200 7.8740 360 14.1732 116 4.5669 3.00 .120 1.00 .040 35 500 55.10 637 000 143 000 1 080 000 243 000 1 300 1 600
242RD 210 8.2677 380 14.9606 122 4.8031 3.00 .120 1.00 .040 40 800 63.30 702 000 158 000 1 220 000 274 000 1 300 1 500
244RD 220 8.6614 400 15.7480 130 5.1181 3.00 .120 1.00 .040 43 900 68.00 741 000 167 000 1 320 000 297 000 1 200 1 400
246RD 230 9.0551 420 16.5354 136 5.3543 3.00 .120 1.00 .040 49 500 76.80 806 000 181 000 1 500 000 337 000 1 100 1 400
248RD 240 9.4488 440 17.3228 144 5.6693 3.00 .120 1.00 .040 55 500 86.10 871 000 196 000 1 660 000 373 000 1 000 1 300
250RD 250 9.8425 460 18.1102 152 5.9843 4.00 .160 1.50 .060 61 900 95.90 956 000 215 000 1 830 000 411 000 960 1 200
252RD 260 10.2362 480 18.8976 160 6.2992 4.00 .160 1.50 .060 68 400 106.00 1 010 000 227 000 2 040 000 459 000 880 1 100
256RD 280 11.0236 500 19.6850 160 6.2992 4.00 .160 1.50 .060 72 200 112.00 1 060 000 238 000 2 200 000 495 000 880 1 100
260RD 300 11.8110 540 21.2598 170 6.6929 4.00 .160 1.50 .060 80 000 124.00 1 140 000 256 000 2 400 000 540 000 880 1 000
264RD 320 12.5984 580 22.8346 184 7.2441 4.00 .160 1.50 .060 87 700 136.00 1 210 000 272 000 2 700 000 607 000 780 960
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) Listed values are for pressed steel or polyamide cage, ABEC-1.
For phenolic composition cage, multiply by 1.66 for grease and 2.00 for oil. For machined bronze cage, multiply by 1.25 for grease and 1.50 for oil. For phenolic composition cage, ABEC-5 or 7,
multiply by 2.30 for grease and 2.80 for oil. The speed rating adjustment factors have been determined through historical application and practice. For a more complete explanation, see page 272.
3) Rating for one million revolutions or 500 hours at 331/3 rpm.
116
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Outside
Bore diameter Width Fillet radius1) Basic radial load rating Speed rating2)
Dynamic Static
MRC d D B ra rb ZD2 C3) C0 Grease Oil
bearing
number mm in. mm in. mm in. mm in. mm in. mm in. N lbf N lbf rpm rpm
301R 12 .4724 37 1.4567 12 .4724 1.0 .04 .60 .024 439 .68 10 600 2 380 4 900 1 100 19 000 24 000
302R 15 .5906 42 1.6535 13 .5118 1.0 .04 .60 .024 510 .79 12 100 2 720 6 550 1 470 17 000 20 000
303R 17 .6693 47 1.8504 14 .5512 1.0 .04 .60 .024 632 .98 14 800 3 330 8 150 1 830 16 000 19 000
304R 20 .7874 52 2.0472 15 .5906 1.0 .04 .60 .024 909 1.41 20 300 4 560 11 400 2 560 13 000 16 000
305R 25 .9843 62 2.4409 17 .6693 1.0 .04 .60 .024 1 090 1.69 23 400 5 260 15 300 3 440 11 000 14 000
306R 30 1.1811 72 2.8346 19 .7480 1.0 .04 .60 .024 1 480 2.30 31 200 7 010 20 000 4 500 9 000 11 000
307R 35 1.3780 80 3.1496 21 .8268 1.5 .06 1.00 .040 1 940 3.00 39 700 8 920 26 000 5 850 8 500 10 000
308R 40 1.5748 90 3.5433 23 .9055 1.5 .06 1.00 .040 2 450 3.80 48 800 11 000 33 500 7 530 7 500 9 000
309R 45 1.7717 100 3.9370 25 .9843 1.5 .06 1.00 .040 3 030 4.69 58 500 13 200 40 500 9 100 6 700 8 000
310R 50 1.9685 110 4.3307 27 1.0630 2.0 .08 1.00 .040 4 350 6.75 80 600 18 100 57 000 12 800 6 300 7 500
311R 55 2.1654 120 4.7244 29 1.1417 2.0 .08 1.00 .040 5 110 7.92 93 600 21 000 67 000 15 100 5 600 6 700
312R 60 2.3622 130 5.1181 31 1.2205 2.0 .08 1.00 .040 5 930 9.19 108 000 24 300 78 000 17 500 5 000 6 000
313R 65 2.5591 140 5.5118 33 1.2992 2.0 .08 1.00 .040 6 900 10.70 121 000 27 200 93 000 20 900 4 800 5 600
314R 70 2.7559 150 5.9055 35 1.3780 2.0 .08 1.00 .040 6 770 10.50 121 000 27 200 93 000 20 900 4 500 5 300
315R 75 2.9528 160 6.2992 37 1.4567 2.0 .08 1.00 .040 9 030 14.00 153 000 34 400 122 000 27 400 4 300 5 000
316R 80 3.1496 170 6.6929 39 1.5354 2.0 .08 1.00 .040 9 480 14.70 159 000 35 700 129 000 29 000 3 800 4 500
317R 85 3.3465 180 7.0866 41 1.6142 2.5 .10 1.00 .040 11 400 17.70 182 000 40 900 156 000 35 100 3 600 4 300
318R 90 3.5433 190 7.4803 43 1.6929 2.5 .10 1.00 .040 11 800 18.30 186 000 41 800 160 000 36 000 3 400 4 000
319R 95 3.7402 200 7.8740 45 1.7717 2.5 .10 1.00 .040 13 100 20.30 199 000 44 700 180 000 40 500 3 200 3 800
320R 100 3.9370 215 8.4646 47 1.8504 2.5 .10 1.00 .040 14 400 22.40 212 000 47 700 200 000 45 000 3 000 3 600
321R 105 4.1339 225 8.8583 49 1.9291 2.5 .10 1.00 .040 15 900 24.60 229 000 51 500 204 000 45 900 2 800 3 400
322R 110 4.3307 240 9.4488 50 1.9685 2.5 .10 1.00 .040 18 800 29.20 255 000 57 300 255 000 57 300 2 600 3 200
324R 120 4.7244 260 10.2362 55 2.1654 2.5 .10 1.00 .040 22 100 34.30 265 000 59 600 300 000 67 400 2 500 3 000
326R 130 5.1181 280 11.0236 58 2.2835 3.0 .12 1.00 .040 25 700 39.80 296 000 66 500 345 000 77 600 2 300 2 800
328R 140 5.5118 300 11.8110 62 2.4409 3.0 .12 1.00 .040 29 500 45.70 351 000 78 900 400 000 89 900 2 100 2 600
330R 150 5.9055 320 12.5984 65 2.5591 3.0 .12 1.00 .040 33 900 52.60 390 000 87 700 475 000 107 000 2 000 2 400
332R 160 6.2992 340 13.3858 68 2.6772 3.0 .12 1.00 .040 38 400 59.60 423 000 95 100 530 000 119 000 1 800 2 200
334R 170 6.6929 360 14.1732 72 2.8346 3.0 .12 1.00 .040 40 800 63.20 436 000 98 000 570 000 128 000 1 700 2 100
336R 180 7.0866 380 14.9606 75 2.9528 3.0 .12 1.00 .040 45 700 70.90 475 000 107 000 640 000 144 000 1 600 2 000
338R 190 7.4803 400 15.7480 78 3.0709 4.0 .16 1.50 .060 51 000 79.00 507 000 114 000 710 000 160 000 1 600 1 900
340R 200 7.8740 420 16.5354 80 3.1496 4.0 .16 1.50 .060 56 400 87.50 553 000 124 000 780 000 175 000 1 500 1 800
342R 210 8.2677 440 17.3228 84 3.3071 4.0 .16 1.50 .060 62 200 96.50 592 000 133 000 865 000 194 000 1 400 1 700
344R 220 8.6614 460 18.1102 88 3.4646 4.0 .16 1.50 .060 68 400 106.00 637 000 143 000 950 000 214 000 1 300 1 600
348R 240 9.4488 500 19.6850 95 3.7402 4.0 .16 1.50 .060 74 800 116.00 676 000 152 000 1 060 000 238 000 1 100 1 400
352R 260 10.2362 540 21.2598 102 4.0157 5.0 .20 2.00 .080 87 100 135.00 741 000 167 000 1 250 000 281 000 1 100 1 300
356R 280 11.0236 580 22.8346 108 4.2520 5.0 .20 2.00 .080 102 000 158.00 832 000 187 000 1 460 000 328 000 980 1 200
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) Listed values are for pressed steel or polyamide cage, ABEC-1.
For phenolic composition cage, multiply by 1.66 for grease and 2.00 for oil. For machined bronze cage, multiply by 1.25 for grease and 1.50 for oil. For phenolic composition cage, ABEC-5 or 7,
multiply by 2.30 for grease and 2.80 for oil. The speed rating adjustment factors have been determined through historical application and practice. For a more complete explanation, see page 272.
3) Rating for one million revolutions or 500 hours at 331/3 rpm.
117
www.bergab.ru Берг АБ prom@bergab.ru Тел.(495)-228-06-21,факс (495) 223-3071
Outside
Bore diameter Width Fillet radius1) Basic radial load rating Speed rating2)
Dynamic Static
MRC d D B ra rb ZD2 C3) C0 Grease Oil
bearing
number mm in. mm in. mm in. mm in. mm in. mm in. N lbf N lbf rpm rpm
301RD 12 .4724 37 1.4567 24 .9449 1.0 .04 .60 .024 439 .68 17 200 3 870 9 800 2 200 15 000 19 000
302RD 15 .5906 42 1.6535 26 1.0236 1.0 .04 .60 .024 510 .79 19 900 4 470 13 200 2 970 14 000 16 000
303RD 17 .6693 47 1.8504 28 1.1024 1.0 .04 .60 .024 632 .98 24 200 5 440 16 300 3 660 13 000 15 000
304RD 20 .7874 52 2.0472 30 1.1811 1.0 .04 .60 .024 909 1.41 33 200 7 460 22 800 5 130 10 000 13 000
305RD 25 .9843 62 2.4409 34 1.3386 1.0 .04 .60 .024 1 090 1.69 37 700 8 480 30 500 6 860 8 800 11 000
306RD 30 1.1811 72 2.8346 38 1.4961 1.0 .04 .60 .024 1 480 2.30 50 700 11 400 40 000 8 990 7 200 8 800
307RD 35 1.3780 80 3.1496 42 1.6535 1.5 .06 1.00 .040 1 940 3.00 65 000 14 600 52 000 11 700 6 800 8 000
308RD 40 1.5748 90 3.5433 46 1.8110 1.5 .06 1.00 .040 2 450 3.80 79 300 17 800 67 000 15 100 6 000 7 200
309RD 45 1.7717 100 3.9370 50 1.9685 1.5 .06 1.00 .040 3 030 4.69 95 600 21 500 81 500 18 300 5 400 6 400
310RD 50 1.9685 110 4.3307 54 2.1260 2.0 .08 1.00 .040 4 350 6.75 133 000 29 900 114 000 25 600 5 000 6 000
311RD 55 2.1654 120 4.7244 58 2.2835 2.0 .08 1.00 .040 5 110 7.92 153 000 34 400 134 000 30 100 4 500 5 400
312RD 60 2.3622 130 5.1181 62 2.4409 2.0 .08 1.00 .040 5 930 9.19 174 000 39 100 156 000 35 100 4 000 4 800
313RD 65 2.5591 140 5.5118 66 2.5984 2.0 .08 1.00 .040 6 900 10.70 195 000 43 800 190 000 42 700 3 800 4 500
314RD 70 2.7559 150 5.9055 70 2.7559 2.0 .08 1.00 .040 6 770 10.50 195 000 43 800 186 000 41 800 3 600 4 200
315RD 75 2.9528 160 6.2992 74 2.9134 2.0 .08 1.00 .040 9 030 14.00 247 000 55 500 245 000 55 100 3 400 4 000
316RD 80 3.1496 170 6.6929 78 3.0709 2.0 .08 1.00 .040 9 480 14.70 260 000 58 500 260 000 58 500 3 000 3 600
317RD 85 3.3465 180 7.0866 82 3.2283 2.5 .10 1.00 .040 11 400 17.70 291 000 65 400 310 000 67 400 2 900 3 400
318RD 90 3.5433 190 7.4803 86 3.3858 2.5 .10 1.00 .040 11 800 18.30 302 000 67 900 320 000 71 900 2 700 3 200
319RD 95 3.7402 200 7.8740 90 3.5433 2.5 .10 1.00 .040 13 100 20.30 325 000 73 100 360 000 80 900 2 600 3 000
320RD 100 3.9370 215 8.4646 94 3.7008 2.5 .10 1.00 .040 14 400 22.40 345 000 77 600 400 000 89 900 2 400 2 900
321RD 105 4.1339 225 8.8583 98 3.8583 2.5 .10 1.00 .040 15 900 24.60 371 000 83 400 405 000 91 000 2 200 2 700
322RD 110 4.3307 240 9.4488 100 3.9370 2.5 .10 1.00 .040 18 800 29.20 416 000 93 500 510 000 115 000 2 100 2 600
324RD 120 4.7244 260 10.2362 110 4.3307 2.5 .10 1.00 .040 22 100 34.30 436 000 98 000 600 000 135 000 2 000 2 400
326RD 130 5.1181 280 11.0236 116 4.5669 3.0 .12 1.00 .040 25 700 39.80 475 000 107 000 695 000 156 000 1 800 2 200
328RD 140 5.5118 300 11.8110 124 4.8819 3.0 .12 1.00 .040 29 500 45.70 572 000 129 000 800 000 180 000 1 700 2 100
330RD 150 5.9055 320 12.5984 130 5.1181 3.0 .12 1.00 .040 33 900 52.60 624 000 140 000 950 000 214 000 1 600 1 900
332RD 160 6.2992 340 13.3858 136 5.3543 3.0 .12 1.00 .040 38 400 59.60 689 000 155 000 1 080 000 243 000 1 400 1 800
334RD 170 6.6929 360 14.1732 144 5.6693 3.0 .12 1.00 .040 40 800 63.20 715 000 161 000 1 140 000 256 000 1 400 1 700
336RD 180 7.0866 380 14.9606 150 5.9055 3.0 .12 1.00 .040 45 700 70.90 780 000 175 000 1 270 000 286 000 1 300 1 600
338RD 190 7.4803 400 15.7480 156 6.1417 4.0 .16 1.50 .060 51 000 79.00 832 000 187 000 1 430 000 321 000 1 300 1 500
340RD 200 7.8740 420 16.5354 160 6.2992 4.0 .16 1.50 .060 56 400 87.50 904 000 203 000 1 560 000 351 000 1 200 1 400
342RD 210 8.2677 440 17.3228 168 6.6142 4.0 .16 1.50 .060 62 200 96.50 956 000 215 000 1 730 000 389 000 1 100 1 400
344RD 220 8.6614 460 18.1102 176 6.9291 4.0 .16 1.50 .060 68 400 106.00 1 040 000 234 000 1 900 000 427 000 1 000 1 300
348RD 240 9.4488 500 19.6850 190 7.4803 4.0 .16 1.50 .060 74 800 116.00 1 080 000 243 000 2 120 000 477 000 880 1 100
352RD 260 10.2362 540 21.2598 204 8.0315 5.0 .20 2.00 .080 87 100 135.00 1 210 000 272 000 2 500 000 562 000 880 1 000
356RD 280 11.0236 580 22.8346 216 8.5039 5.0 .20 2.00 .080 102 000 158.00 1 350 000 303 000 2 900 000 652 000 780 960
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) Listed values are for pressed steel or polyamide cage, ABEC-1.
For phenolic composition cage, multiply by 1.66 for grease and 2.00 for oil. For machined bronze cage, multiply by 1.25 for grease and 1.50 for oil. For phenolic composition cage, ABEC-5 or 7,
multiply by 2.30 for grease and 2.80 for oil. The speed rating adjustment factors have been determined through historical application and practice. For a more complete explanation, see page 272.
3) Rating for one million revolutions or 500 hours at 331/3 rpm.
118
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Outside
Bore diameter Width Fillet radius1) Basic radial load rating Speed rating2)
Dynamic Static
MRC d D B ra rb ZD2 C3) C0 Grease Oil
bearing
number mm in. mm in. mm in. mm in. mm in. mm in. N lbf N lbf rpm rpm
403R 17 .6693 62 2.4409 17 .6693 1.0 .04 .60 .024 1 290 2.00 23 400 5 260 14 600 3 280 12 000 15 000
404R 20 .7874 72 2.8346 19 .7480 1.0 .04 .60 .024 1 840 2.85 37 100 8 340 21 200 4 770 10 000 13 000
405R 25 .9843 80 3.1496 21 .8268 1.5 .06 1.00 .040 2 270 3.52 44 900 10 100 26 500 5 960 9 000 11 000
406R 30 1.1811 90 3.5433 23 .9055 1.5 .06 1.00 .040 3 050 4.73 49 400 11 100 36 000 8 090 8 500 10 000
407R 35 1.3780 100 3.9370 25 .9843 1.5 .06 1.00 .040 3 620 5.62 58 500 13 200 44 000 9 890 7 000 8 500
408R 40 1.5748 110 4.3307 27 1.0630 2.0 .08 1.00 .040 4 260 6.60 67 600 15 200 52 000 11 700 6 700 8 000
409R 45 1.7717 120 4.7244 29 1.1417 2.0 .08 1.00 .040 4 940 7.66 78 000 17 500 61 000 13 700 6 000 7 000
410R 50 1.9685 130 5.1181 31 1.2205 2.0 .08 1.00 .040 6 240 9.67 95 600 21 500 78 000 17 500 5 300 6 300
411R 55 2.1654 140 5.5118 33 1.2992 2.0 .08 1.00 .040 7 100 11.0 108 000 24 300 90 000 20 200 5 000 6 000
412R 60 2.3622 150 5.9055 35 1.3780 2.0 .08 1.00 .040 8 000 12.4 117 000 26 300 102 000 22 900 4 800 5 600
413R 65 2.5591 160 6.2992 37 1.4567 2.0 .08 1.00 .040 8 970 13.9 127 000 28 600 112 000 25 200 4 500 5 300
414R 70 2.7559 180 7.0866 42 1.6535 2.5 .10 1.00 .040 12 200 18.9 156 000 35 100 150 000 33 700 3 800 4 500
415R 75 2.9528 190 7.4803 45 1.7717 2.5 .10 1.00 .040 13 400 20.8 168 000 37 800 166 000 37 300 3 600 4 300
416R 80 3.1496 200 7.8740 48 1.8898 2.5 .10 1.00 .040 14 600 22.7 178 000 40 000 183 000 41 100 3 400 4 000
417R 85 3.3465 210 8.2677 52 2.0472 3.0 .12 1.00 .040 16 000 24.8 190 000 42 700 200 000 45 000 3 200 3 800
418R 90 3.5433 225 8.8583 54 2.1260 3.0 .12 1.00 .040 18 700 29.0 212 000 47 700 236 000 53 100 3 000 3 600
419R 95 3.7402 250 9.8425 55 2.1654 3.0 .12 1.00 .040 21 700 33.7 234 000 52 600 275 000 60 700 2 700 3 300
420R 100 3.9370 265 10.4331 60 2.3622 3.0 .12 1.00 .040 25 000 38.7 260 000 58 500 305 000 68 600 2 500 3 100
421R 105 4.1339 290 11.4173 65 2.5591 3.0 .12 1.00 .040 29 200 45.2 286 000 64 300 355 000 79 800 2 400 2 900
422R 110 4.3307 320 12.5984 70 2.7559 3.0 .12 1.00 .040 34 500 53.5 319 000 71 700 425 000 95 500 2 100 2 600
400RD
403RD 17 .6693 62 2.4409 34 1.3386 1.0 .04 .60 .024 1 290 2.00 37 700 8 480 29 000 6 520 9 600 12 000
404RD 20 .7874 72 2.8346 38 1.4961 1.0 .04 .60 .024 1 840 2.85 60 500 13 600 42 500 9 550 8 000 10 000
405RD 25 .9843 80 3.1496 42 1.6535 1.5 .06 1.00 .040 2 270 3.52 74 100 16 700 53 000 11 900 7 200 8 800
406RD 30 1.1811 90 3.5433 46 1.8110 1.5 .06 1.00 .040 3 050 4.73 80 600 18 100 72 000 16 200 6 800 8 000
407RD 35 1.3780 100 3.9370 50 1.9685 1.5 .06 1.00 .040 3 620 5.62 95 600 21 500 86 500 19 400 5 600 6 800
408RD 40 1.5748 110 4.3307 54 2.1260 2.0 .08 1.00 .040 4 260 6.60 111 000 25 000 104 000 23 400 5 400 6 400
409RD 45 1.7717 120 4.7244 58 2.2835 2.0 .08 1.00 .040 4 940 7.66 127 000 28 600 122 000 27 400 4 800 5 600
410RD 50 1.9685 130 5.1181 62 2.4409 2.0 .08 1.00 .040 6 240 9.67 153 000 34 400 156 000 35 100 4 200 5 000
411RD 55 2.1654 140 5.5118 66 2.5984 2.0 .08 1.00 .040 7 100 11.0 174 000 39 100 180 000 40 500 4 000 4 800
412RD 60 2.3622 150 5.9055 70 2.7559 2.0 .08 1.00 .040 8 000 12.4 190 000 42 700 204 000 45 900 3 800 4 500
413RD 65 2.5591 160 6.2992 74 2.9134 2.0 .08 1.00 .040 8 970 13.9 208 000 46 800 224 000 50 400 3 600 4 200
414RD 70 2.7559 180 7.0866 84 3.3071 2.5 .10 1.00 .040 12 200 18.9 255 000 57 300 300 000 67 400 3 000 3 600
415RD 75 2.9528 190 7.4803 90 3.5433 2.5 .10 1.00 .040 13 400 20.8 270 000 60 700 335 000 75 300 2 900 3 400
416RD 80 3.1496 200 7.8740 96 3.7795 2.5 .10 1.00 .040 14 600 22.7 286 000 64 300 365 000 82 100 2 700 3 200
417RD 85 3.3465 210 8.2677 104 4.0945 3.0 .12 1.00 .040 16 000 24.8 307 000 69 000 400 000 89 900 2 600 3 000
418RD 90 3.5433 225 8.8583 108 4.2520 3.0 .12 1.00 .040 18 700 29.0 345 000 77 600 465 000 105 000 2 400 2 900
419RD 95 3.7402 250 9.8425 110 4.3307 3.0 .12 1.00 .040 21 700 33.7 377 000 84 800 550 000 124 000 2 200 2 600
420RD 100 3.9370 265 10.4331 120 4.7244 3.0 .12 1.00 .040 25 000 38.7 416 000 93 500 610 000 137 000 2 000 2 500
421RD 105 4.1339 290 11.4173 130 5.1181 3.0 .12 1.00 .040 29 200 45.2 462 000 104 000 710 000 160 000 1 900 2 300
422RD 110 4.3307 320 12.5984 140 5.5118 3.0 .12 1.00 .040 34 500 53.5 520 000 117 000 850 000 191 000 1 700 2 100
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) Listed values are for pressed steel or polyamide cage, ABEC-1.
For phenolic composition cage, multiply by 1.66 for grease and 2.00 for oil. For machined bronze cage, multiply by 1.25 for grease and 1.50 for oil. For phenolic composition cage, ABEC-5 or 7,
multiply by 2.30 for grease and 2.80 for oil. The speed rating adjustment factors have been determined through historical application and practice. For a more complete explanation, see page 272.
3) Rating for one million revolutions or 500 hours at 331/3 rpm.
119
www.bergab.ru Берг АБ prom@bergab.ru Тел.(495)-228-06-21,факс (495) 223-3071
Outside
Bore diameter Width Fillet radius1) Basic radial load rating Speed rating2)
Dynamic Static
MRC d D B ra rb ZD2 C3) C0 Grease Oil
bearing
number mm in. mm in. mm in. mm in. mm in. mm in. N lbf N lbf rpm rpm
XLS-13/8 34.9 1.3750 65.1 2.5625 14.3 .5625 1.0 .04 .60 .024 1 060 1.65 22 500 5 060 15 600 3 510 11 000 13 000
XLS-11/2 38.1 1.5000 68.3 2.6875 14.3 .5625 1.0 .04 .60 .024 1 140 1.77 23 800 5 350 17 000 3 820 9 800 12 000
XLS-15/8 41.3 1.6250 73.0 2.8750 14.3 .5625 1.0 .04 .60 .024 1 220 1.89 24 200 5 400 18 600 4 180 9 000 11 000
XLS-15/8 44.5 1.7500 76.2 3.0000 14.3 .5625 1.0 .04 .60 .024 1 300 2.01 25 100 5 640 20 000 4 500 8 200 10 000
XLS-17/8 47.6 1.8750 81.0 3.1875 15.9 .6250 1.0 .04 .60 .024 1 540 2.39 29 600 6 650 23 600 5 310 8 200 10 000
XLS-2 50.8 2.0000 84.1 3.3125 15.9 .6250 1.0 .04 .60 .024 1 630 2.53 30 200 6 790 25 500 5 730 7 800 9 500
XLS-21/8 54.0 2.1250 87.3 3.4375 15.9 .6250 1.5 .06 .60 .024 1 630 2.53 30 200 6 790 25 500 5 730 7 400 9 000
XLS-21/4 57.2 2.2500 90.5 3.5625 15.9 .6250 1.5 .06 .60 .024 1 720 2.67 31 200 7 010 27 000 6 070 7 100 8 700
XLS-21/2-S 63.5 2.5000 98.4 3.8750 17.5 .6875 1.5 .06 .60 .024 1 360 2.11 26 000 5 850 22 000 4 950 6 500 7 900
XLS-21/2 63.5 2.5000 98.4 3.8750 17.5 .6875 1.5 .06 .60 .024 1 900 2.95 32 500 7 310 31 000 6 740 6 400 7 800
XLS-25/8 66.7 2.6250 105.0 4.1250 17.5 .6875 1.5 .06 .60 .024 2 470 3.83 42 300 9 510 39 000 8 770 6 100 7 400
XLS-23/4 69.9 2.7500 105.0 4.1250 17.5 .6875 1.5 .06 .60 .024 2 470 3.83 42 300 9 510 39 000 8 770 6 000 7 300
XLS-3 76.2 3.0000 114.0 4.5000 19.1 .7500 2.0 .08 1.00 .040 2 720 4.21 44 200 9 940 44 000 9 890 5 500 6 700
XLS-31/4 82.6 3.2500 121.0 4.7500 19.1 .7500 2.0 .08 1.00 .040 2 840 4.40 44 900 10 100 46 500 10 500 5 100 6 200
XLS-31/2 88.9 3.5000 127.0 5.0000 19.1 .7500 2.0 .08 1.00 .040 3 090 4.79 47 500 10 700 51 000 11 500 4 800 5 900
XLS-33/4 95.3 3.7500 133.0 5.2500 19.1 .7500 2.0 .08 1.00 .040 3 210 4.98 47 500 10 700 53 000 11 900 4 500 5 500
XLS-41/4 108.0 4.2500 152.0 6.0000 22.2 .8750 2.0 .08 1.00 .040 4 190 6.50 61 800 13 900 69 500 15 600 3 900 4 800
XLS-41/2 114.0 4.5000 159.0 6.2500 22.2 .8750 2.0 .08 1.00 .040 4 350 6.75 61 800 13 900 73 500 16 500 3 800 4 600
XLS-43/4 121.0 4.7500 165.0 6.5000 22.2 .8750 2.0 .08 1.00 .040 4 520 7.00 63 700 14 300 76 500 17 200 3 600 4 400
XLS-5 127.0 5.0000 178.0 7.0000 25.4 1.0000 2.0 .08 1.00 .040 5 510 8.54 78 000 17 500 91 500 20 600 3 400 4 100
XLS-51/2 140.0 5.5000 191.0 7.5000 25.4 1.0000 2.5 .10 1.00 .040 5 920 9.18 79 300 17 800 100 000 22 500 3 100 3 800
XLS-6 152.0 6.0000 203.0 8.0000 25.4 1.0000 2.5 .10 1.00 .040 6 330 9.81 81 900 18 400 108 000 24 300 2 900 3 500
XLS-61/4 159.0 6.2500 216.0 8.5000 28.6 1.1250 2.5 .10 1.00 .040 7 550 11.70 97 500 21 900 129 000 29 000 2 700 3 300
XLS-61/2 165.0 6.5000 222.0 8.7500 28.6 1.1250 2.5 .10 1.00 .040 7 800 12.00 99 500 22 400 134 000 30 100 2 600 3 200
XLS-7 178.0 7.0000 241.0 9.5000 31.8 1.2500 3.0 .12 1.50 .060 9 480 14.70 119 000 26 800 160 000 36 000 2 400 2 900
XLS-71/4 184.0 7.2500 248.0 9.7500 31.8 1.2500 3.0 .12 1.50 .060 9 740 15.10 121 000 27 200 166 000 37 300 2 300 2 800
XLS-73/4 197.0 7.7500 267.0 10.5000 34.9 1.3750 3.0 .12 1.50 .060 11 200 17.40 138 000 31 000 193 000 43 400 2 100 2 600
XLS-8 203.0 8.0000 273.0 10.7500 34.9 1.3750 3.0 .12 1.50 .060 11 600 18.00 140 000 31 500 200 000 45 000 2 100 2 500
XLS-81/4 210.0 8.2500 279.0 11.0000 34.9 1.3750 3.0 .12 1.50 .060 12 000 18.60 140 000 31 500 204 000 45 900 2 100 2 500
XLS-81/2 216.0 8.5000 292.0 11.5000 38.1 1.5000 3.0 .12 1.50 .060 13 600 21.00 163 000 36 600 232 000 52 200 2 000 2 400
XLS-9 229.0 9.0000 305.0 12.0000 38.1 1.5000 3.0 .12 1.50 .060 15 300 23.70 182 000 40 900 260 000 58 500 1 900 2 300
XLS-10 254.0 10.0000 337.0 13.2500 41.3 1.6250 4.0 .16 1.50 .060 17 300 26.80 190 000 42 700 290 000 65 200 1 600 2 000
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) Listed values are for pressed steel or polyamide cage, ABEC-1.
For phenolic composition cage, multiply by 1.66 for grease and 2.00 for oil. For machined bronze cage, multiply by 1.25 for grease and 1.50 for oil. For phenolic composition cage, ABEC-5 or 7,
multiply by 2.30 for grease and 2.80 for oil. The speed rating adjustment factors have been determined through historical application and practice. For a more complete explanation, see page 272.
3) Rating for one million revolutions or 500 hours at 331/3 rpm.
120
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900 6.20
800 5.51
Static equivalent radial load
P0 = 0.6 FR + 0.5 FA 700 4.82
P0 is always ≥ FR
P0 = Static equivalent radial load 600 4.13
FR = Radial load FA FA
500 3.45
FA = Thrust load ZD2 ZD2
( lb, in.) (N, mm)
400 2.76
Y
e
300 2.07
200 1.38
100 0.689
0 0
122
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Case 1
Radial load (FR) = 1890
Equivalent load (P) = X FR + Y FA
P = FR = 1890
( CP ) = ( 13200
3 3
1890 )
Life (L10) = = 341 × 10 Rev. 6
or
= 2839 Hrs
Case 2
Radial load (FR) = 1890
Thrust load (FA) = 1250
Equivalent load (P) = X FR + Y FA
FA/FR = 1250/1890 = 0.66
X = 0.44
Y = 1.15
P = 0.44 × 1890 + 1.15 × 1250 = 2269
( CP ) = ( 13200
3 3
2269 )
Life (L10) = = 197 × 10 Rev. 6
or
10 C
6 3
= 1641 Hrs
Case 3
Thrust load (FA) = 1250
Equivalent load (P) = Y FA
FA/ZD2 = 1250/4.69 = 267
Y = 1.15
P = 1.15 × 1250 = 1438
( CP ) = ( 13200
3 3
1438 )
Life (L10) = = 773 × 10 Rev. 6
or
106
( CP ) = 60 ×102000 ( 13200
3 3
1438 )
6
Life (L 10h) =
60n
= 6446 Hrs
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Life rating e
C 3
L10 = ( )
P
(millions of revolutions)
1000
0.3 0.4 0.5 0.6
6.89
or
106 C 3
L10h =
60n P ( ) (hours) 900 6.20
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Case 3 or
106 C 3 106 3
( CP ) = (21500
3
2325 )
3
Life (L10) = = 791 × 10 Rev.6
or
10 C
60n ( P ) 60 × 2000 ( 2325 )
6 3 10 621500 3
Life (L 10 ) =
h
=
= 6590 Hrs
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ra B rb 7000 series bearings are single-row 29° Cage types and materials
angular contact ball bearings having one
For normal usage: heavy stock, two-piece
ra ra heavy race shoulder and one counterbored
steel formed pockets, with turned-over
race shoulder on the outer ring. Because of
29° fingers or riveted together.
this construction, it is possible to incorporate
For severe vibration, very high speeds,
a greater number of balls than in the deep
D d or high operating temperatures: one-piece,
groove nonfilling notch bearing. The combina-
inner ring land-guided, machined construc-
tion of maximum ball complement and the
tion of suitable material (phenolic/Bakelite
angular contact feature reduces the specific
composition, machined brass, or special
ball loading under thrust load, resulting in
material).
moderate to high thrust load carrying capacity.
7000 series angular contact ball bearings
should be used in applications in which the
thrust load is heavy and beyond the capacity
of single-row types; for example, for a heavy
thrust load in one direction, or a heavy thrust
load in one direction combined with a radial
load.
Series Page
7100D Extra large - single bearing and duplex set 128
7100KR Extra light - single bearing 129
7100KRD Extra light - duplex set 130
7200 Light - single bearing 131
7200D Light - duplex set 132
7300 Medium - single bearing 133
7300D Medium - duplex set 134
7400D Heavy - single bearing and duplex set 135
7000 Equivalent load and life 136
7000 Minimum load calculation 136
7000 Life calculation examples 137
7000D Equivalent load and life 138
7000D Life calculation examples 139
127
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Outside
Bore diameter Width Fillet radius1) Basic radial load rating2) Speed rating3)
Dynamic Static
MRC d D B ra rb C4) C0 Grease Oil
bearing
number mm in. mm in. mm in. mm in. mm in. N lbf N lbf rpm rpm
71205) 100 3.9370 160 6.2992 28 1.1024 2.0 .08 1.0 .040 85 200 19 200 86 500 19 400 2 600 4 300
7122 110 4.3307 175 6.8898 30 1.1811 2.0 .08 1.0 .040 104 000 23 400 108 000 24 300 2 400 4 000
71245) 120 4.7244 190 7.4803 32 1.2598 2.0 .08 1.0 .040 108 000 24 300 127 000 28 600 2 200 3 700
71265) 130 5.1181 205 8.0709 34 1.3386 2.0 .08 1.0 .040 121 000 27 200 134 000 30 100 2 100 3 500
71285) 140 5.5118 220 8.6614 36 1.4173 2.0 .08 1.0 .040 138 000 31 000 156 000 35 100 1 900 3 200
7130 150 5.9055 235 9.2520 38 1.4961 2.0 .08 1.0 .040 159 000 35 700 180 000 40 500 1 700 2 800
71325) 160 6.2992 250 9.8425 40 1.5748 2.0 .08 1.0 .040 174 000 39 100 204 000 45 900 1 600 2 700
71345) 170 6.6929 265 10.4331 42 1.6535 2.5 .10 1.0 .040 190 000 42 700 232 000 52 200 1 600 2 700
71365) 180 7.0866 280 11.0236 44 1.7323 2.5 .10 1.0 .040 208 000 46 800 260 000 58 500 1 600 2 600
71385) 190 7.4803 300 11.8110 46 1.8110 2.5 .10 1.0 .040 242 000 54 400 315 000 70 800 1 400 2 400
71405) 200 7.8740 320 12.5984 48 1.8898 2.5 .10 1.0 .040 260 000 58 500 355 000 79 800 1 400 2 300
71425) 210 8.2677 340 13.3858 50 1.9685 2.5 .10 1.0 .040 286 000 64 300 400 000 89 900 1 400 2 300
71445) 220 8.6614 350 13.7795 51 2.0079 2.5 .10 1.0 .040 291 000 65 400 415 000 93 300 1 300 2 200
71465) 230 9.0551 370 14.5669 53 2.0866 3.0 .12 1.0 .040 312 000 70 100 455 000 102 000 1 200 2 000
71485) 240 9.4488 390 15.3543 55 2.1654 3.0 .12 1.0 .040 332 000 74 600 500 000 112 000 1 100 1 900
71525) 260 10.2362 430 16.9291 59 2.3228 3.0 .12 1.0 .040 364 000 81 800 585 000 132 000 1 100 1 800
71565) 280 11.0236 460 18.1102 63 2.4803 3.0 .12 1.0 .040 403 000 90 600 600 000 135 000 1 100 1 800
71645) 320 12.5984 500 19.6850 71 2.7953 3.0 .12 1.0 .040 462 000 104 000 815 000 183 000 960 1 600
7100D
7120D5) 100 3.9370 160 6.2992 56 2.2047 2.0 .08 1.0 .040 140 000 31 500 173 000 38 900 2 100 3 400
7122D 110 4.3307 175 6.8898 60 2.3622 2.0 .08 1.0 .040 168 000 37 800 216 000 48 600 1 900 3 200
7124D5) 120 4.7244 190 7.4803 64 2.5197 2.0 .08 1.0 .040 178 000 40 000 255 000 57 300 1 800 3 000
7126D5) 130 5.1181 205 8.0709 68 2.6772 2.0 .08 1.0 .040 195 000 43 800 270 000 60 700 1 700 2 800
7128D5) 140 5.5118 220 8.6614 72 2.8346 2.0 .08 1.0 .040 225 000 50 600 310 000 69 700 1 500 2 600
7130D 150 5.9055 235 9.2520 76 2.9921 2.0 .08 1.0 .040 255 000 57 300 360 000 80 900 1 400 2 200
7132D5) 160 6.2992 250 9.8425 80 3.1496 2.0 .08 1.0 .040 286 000 64 300 405 000 91 000 1 300 2 200
7134D5) 170 6.6929 265 10.4331 84 3.3071 2.5 .10 1.0 .040 312 000 70 100 465 000 105 000 1 300 2 200
7136D5) 180 7.0866 280 11.0236 88 3.4646 2.5 .10 1.0 .040 338 000 76 000 520 000 117 000 1 300 2 100
7138D5) 190 7.4803 300 11.8110 92 3.6220 2.5 .10 1.0 .040 390 000 87 700 630 000 142 000 1 100 1 900
7140D5) 200 7.8740 320 12.5984 96 3.7795 2.5 .10 1.0 .040 423 000 95 100 695 000 156 000 1 100 1 800
7142D5) 210 8.2677 340 13.3858 100 3.9370 2.5 .10 1.0 .040 468 000 105 000 800 000 180 000 1 100 1 800
7144D5) 220 8.6614 350 13.7795 102 4.0157 2.5 .10 1.0 .040 475 000 107 000 830 000 187 000 1 000 1 800
7146D5) 230 9.0551 370 14.5669 106 4.1732 3.0 .12 1.0 .040 507 000 114 000 915 000 206 000 960 1 600
7148D5) 240 9.4488 390 15.3543 110 4.3307 3.0 .12 1.0 .040 540 000 121 000 1 000 000 225 000 880 1 500
7152D5) 260 10.2362 430 16.9291 118 4.6457 3.0 .12 1.0 .040 592 000 133 000 1 160 000 261 000 880 1 400
7156D5) 280 11.0236 460 18.1102 126 4.9606 3.0 .12 1.0 .040 663 000 149 000 1 200 000 270 000 880 1 400
7164D5) 320 12.5984 500 19.6850 142 5.5906 3.0 .12 1.0 .040 761 000 171 000 1 630 000 366 000 770 1 300
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) For thrust rating multiply C by 1.32 and C0 by 2.94 (single) and C by 0.81 and C0 by 1.47 (duplex).
3) Listed values are for machined bronze cage, ABEC-1.
For phenolic composition cage, multiply by 1.33 for both grease and oil. For phenolic composition cage, ABEC-5 or 7, multiply by 1.86 for both grease and oil. For pressed steel cage, ABEC-1,
multiply by 0.67 for grease and 0.80 for oil. The speed rating adjustment factors have been determined through historical application and practice. For a more complete explanation, see page 272.
4) Rating for one million revolutions or 500 hours at 331/3 rpm.
5) Typically non-stocked sizes, please check availability before designing into equipment.
128
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Outside
Bore diameter Width Fillet radius1) Basic radial load rating2) Speed rating3)
Dynamic Static
MRC d D B ra rb C4) C0 Grease Oil
bearing
number mm in. mm in. mm in. mm in. mm in. N lbf N lbf rpm rpm
7100KR 10 .3937 26 1.0236 8 .3150 .30 .012 .10 .004 4 620 1 040 2 000 450 30 000 39 000
7101KR 12 .4724 28 1.1024 8 .3150 .30 .012 .10 .004 4 940 1 110 2 500 562 25 000 32 000
7102KR 15 .5906 32 1.2598 9 .3543 .30 .012 .10 .004 5 400 1 210 2 900 652 22 000 28 000
7103KR 17 .6693 35 1.3780 10 .3937 .30 .012 .10 .004 7 610 1 710 4 250 955 19 000 25 000
7104KR 20 .7874 42 1.6535 12 .4724 .64 .025 .30 .012 9 560 2 150 5 700 1 280 16 000 21 000
7105KR 25 .9843 47 1.8504 12 .4724 .64 .025 .30 .012 10 600 2 380 6 950 1 560 12 000 16 000
7106KR 30 1.1811 55 2.1654 13 .5118 1.00 .040 .30 .012 13 800 3 100 9 650 2 170 11 000 14 000
7107KR 35 1.3780 62 2.4409 14 .5512 1.00 .040 .30 .012 16 800 3 780 12 000 2 700 9 200 12 000
7108KR 40 1.5748 68 2.6772 15 .5906 1.00 .040 .30 .012 17 200 3 870 13 200 2 970 8 500 11 000
7109KR 45 1.7717 75 2.9528 16 .6299 1.00 .040 .30 .012 21 200 4 770 17 000 3 820 7 500 9 800
7110KR 50 1.9685 80 3.1496 16 .6299 1.00 .040 .30 .012 22 100 4 970 18 300 4 110 6 900 9 000
7111KR 55 2.1654 90 3.5433 18 .7087 1.00 .040 .60 .024 29 600 6 650 25 500 5 730 6 300 8 200
7112KR 60 2.3622 95 3.7402 18 .7087 1.00 .040 .60 .024 30 700 6 900 27 000 6 070 5 700 7 400
7113KR 65 2.5591 100 3.9370 18 .7087 1.00 .040 .60 .024 31 200 7 010 29 000 6 520 5 400 7 000
7114KR 70 2.7559 110 4.3307 20 .7874 1.00 .040 .60 .024 34 500 7 760 35 500 7 980 5 000 6 500
7115KR 75 2.9528 115 4.5276 20 .7874 1.00 .040 .60 .024 37 700 8 480 37 500 8 430 4 700 6 100
7116KR 80 3.1496 125 4.9213 22 .8661 1.00 .040 .60 .024 48 800 11 000 49 000 11 000 4 500 5 800
7117KR 85 3.3465 130 5.1181 22 .8661 1.00 .040 .60 .024 49 400 11 100 52 000 11 700 4 100 5 300
7118KR 90 3.5433 140 5.5118 24 .9449 1.50 .060 .60 .024 58 500 13 200 61 000 13 700 3 800 4 900
7119KR 95 3.7402 145 5.7087 24 .9449 1.50 .060 .60 .024 71 500 16 100 72 000 16 200 3 600 4 700
7120KR 100 3.9370 150 5.9055 24 .9449 1.50 .060 1.00 .040 62 400 14 000 68 000 15 300 3 500 4 500
7121KR 105 4.1339 160 6.2992 26 1.0236 2.00 .080 1.00 .040 74 100 16 700 80 000 18 000 3 300 4 300
7122KR 110 4.3307 170 6.6929 28 1.1024 2.00 .080 1.00 .040 87 100 19 600 91 500 20 600 3 200 3 800
7124KR 120 4.7244 180 7.0866 28 1.1024 2.00 .080 1.00 .040 88 400 19 900 98 000 22 000 2 900 3 800
7126KR 130 5.1181 200 7.8740 33 1.2992 2.00 .080 1.00 .040 121 000 27 200 134 000 30 100 2 700 3 500
7128KR 140 5.5118 210 8.2677 33 1.2992 2.00 .080 1.00 .040 121 000 27 200 137 000 30 800 2 500 3 300
7130KR 150 5.9055 225 8.8583 35 1.3780 2.00 .080 1.00 .040 135 000 30 300 156 000 35 100 2 200 2 900
7132KR 160 6.2992 240 9.4488 38 1.4961 2.00 .080 1.00 .040 156 000 35 100 180 000 40 500 2 200 2 800
7134KR 170 6.6929 260 10.2362 42 1.6535 2.00 .080 1.00 .040 186 000 41 800 220 000 49 500 2 100 2 700
7136KR 180 7.0866 280 11.0236 46 1.8110 2.00 .080 1.00 .040 208 000 46 800 260 000 58 500 2 000 2 600
7138KR 190 7.4803 290 11.4173 46 1.8110 2.00 .080 1.00 .040 212 000 47 700 270 000 60 700 1 800 2 400
7140KR 200 7.8740 310 12.2047 51 2.0079 2.00 .080 1.00 .040 238 000 53 500 320 000 71 900 1 800 2 300
7144KR 220 8.6614 340 13.3858 56 2.2047 2.50 .100 1.00 .040 302 000 67 900 430 000 96 700 1 700 2 200
7148KR 240 9.4488 360 14.1732 56 2.2047 2.50 .100 1.00 .040 307 000 69 000 455 000 102 000 1 500 2 000
7152KR 260 10.2362 400 15.7480 65 2.5591 3.00 .120 1.50 .060 377 000 84 800 585 000 132 000 1 500 1 900
7156KR 280 11.0236 420 16.5354 65 2.5591 3.00 .120 1.50 .060 390 000 87 700 620 000 139 000 1 500 1 900
7160KR 300 11.8110 460 18.1102 74 2.9134 3.00 .120 1.50 .060 449 000 101 000 765 000 172 000 1 300 1 700
7164KR 320 12.5984 480 18.8976 74 2.9134 3.00 .120 1.50 .060 462 000 104 000 815 000 183 000 1 200 1 600
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) For thrust rating multiply C by 1.32 and C0 by 2.94.
3) Listed values are for machined bronze cage, ABEC-1.
For phenolic composition cage, multiply by 1.33 for both grease and oil. For phenolic composition cage, ABEC-5 or 7, multiply by 1.86 for both grease and oil. For pressed steel cage, ABEC-1,
multiply by 0.67 for grease and 0.80 for oil. The speed rating adjustment factors have been determined through historical application and practice. For a more complete explanation, see page 272.
4) Rating for one million revolutions or 500 hours at 331/3 rpm.
129
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Outside
Bore diameter Width Fillet radius1) Basic radial load rating2) Speed rating3)
Dynamic Static
MRC d D B ra rb C4) C0 Grease Oil
bearing
number mm in. mm in. mm in. mm in. mm in. N lbf N lbf rpm rpm
7100KRD 10 .3937 26 1.0236 16 .6299 .30 .012 .10 .004 7 610 1 710 4 150 933 24 000 31 000
7101KRD 12 .4724 28 1.1024 16 .6299 .30 .012 .10 .004 8 060 1 810 5 000 1 120 20 000 26 000
7102KRD 15 .5906 32 1.2598 18 .7087 .30 .012 .10 .004 8 840 1 990 5 850 1 320 18 000 22 000
7103KRD 17 .6693 35 1.3780 20 .7874 .30 .012 .10 .004 12 500 2 810 8 500 1 910 15 000 20 000
7104KRD 20 .7874 42 1.6535 24 .9449 .64 .025 .30 .012 15 600 3 510 11 400 2 560 13 000 17 000
7105KRD 25 .9843 47 1.8504 24 .9449 .64 .025 .30 .012 17 400 3 910 14 000 3 150 9 600 13 000
7106KRD 30 1.1811 55 2.1654 26 1.0236 1.00 .040 .30 .012 22 500 5 060 19 300 4 340 8 800 11 000
7107KRD 35 1.3780 62 2.4409 28 1.1024 1.00 .040 .30 .012 27 600 6 200 24 000 5 400 7 400 9 600
7108KRD 40 1.5748 68 2.6772 30 1.1811 1.00 .040 .30 .012 28 100 6 320 26 000 5 850 6 800 8 800
7109KRD 45 1.7717 75 2.9528 32 1.2598 1.00 .040 .30 .012 34 500 7 760 34 000 7 640 6 000 7 800
7110KRD 50 1.9685 80 3.1496 32 1.2598 1.00 .040 .30 .012 35 800 8 050 36 500 8 210 5 500 7 200
7111KRD 55 2.1654 90 3.5433 36 1.4173 1.00 .040 .60 .024 47 500 10 700 51 000 11 500 5 000 6 600
7112KRD 60 2.3622 95 3.7402 36 1.4173 1.00 .040 .60 .024 49 400 11 100 54 000 12 100 4 600 5 900
7113KRD 65 2.5591 100 3.9370 36 1.4173 1.00 .040 .60 .024 50 700 11 400 58 500 13 200 4 300 5 600
7114KRD 70 2.7559 110 4.3307 40 1.5748 1.00 .040 .60 .024 55 900 12 600 71 000 16 000 4 000 5 200
7115KRD 75 2.9528 115 4.5276 40 1.5748 1.00 .040 .60 .024 61 800 13 900 75 000 16 900 3 800 4 900
7116KRD 80 3.1496 125 4.9213 44 1.7323 1.00 .040 .60 .024 79 300 17 800 98 000 22 000 3 600 4 600
7117KRD 85 3.3465 130 5.1181 44 1.7323 1.00 .040 .60 .024 80 600 18 100 104 000 23 400 3 300 4 200
7118KRD 90 3.5433 140 5.5118 48 1.8898 1.50 .060 .60 .024 95 600 21 500 122 000 27 400 3 000 3 900
7119KRD 95 3.7402 145 5.7087 48 1.8898 1.50 .060 .60 .024 117 000 26 300 143 000 32 100 2 900 3 800
7120-KRD 100 3.9370 150 5.9055 48 1.8898 1.50 .060 1.00 .040 101 000 22 700 137 000 30 800 2 800 3 600
7121KRD 105 4.1339 160 6.2992 52 2.0472 2.00 .080 1.00 .040 121 000 27 200 160 000 36 000 2 600 3 400
7122KRD 110 4.3307 170 6.6929 56 2.2047 2.00 .080 1.00 .040 140 000 31 500 183 000 41 100 2 600 3 300
7124KRD 120 4.7244 180 7.0866 56 2.2047 2.00 .080 1.00 .040 143 000 32 100 196 000 44 100 2 300 3 000
7126KRD 130 5.1181 200 7.8740 66 2.5984 2.00 .080 1.00 .040 195 000 43 800 270 000 60 700 2 200 2 800
7128KRD 140 5.5118 210 8.2677 66 2.5984 2.00 .080 1.00 .040 195 000 43 800 270 000 60 700 2 000 2 600
7130KRD 150 5.9055 225 8.8583 70 2.7559 2.00 .080 1.00 .040 221 000 49 700 315 000 70 800 1 800 2 300
7132KRD 160 6.2992 240 9.4488 76 2.9921 2.00 .080 1.00 .040 255 000 57 300 360 000 80 900 1 800 2 200
7134KRD 170 6.6929 260 10.2362 84 3.3071 2.00 .080 1.00 .040 302 000 67 900 440 000 98 900 1 700 2 200
7136KRD 180 7.0866 280 11.0236 92 3.6220 2.00 .080 1.00 .040 338 000 76 000 520 000 117 000 1 600 2 100
7138KRD 190 7.4803 290 11.4173 92 3.6220 2.00 .080 1.00 .040 345 000 77 600 540 000 121 000 1 400 1 900
7140KRD 200 7.8740 310 12.2047 102 4.0157 2.00 .080 1.00 .040 390 000 87 700 640 000 144 000 1 400 1 800
7144KRD 220 8.6614 340 13.3858 112 4.4094 2.50 .100 1.00 .040 494 000 111 000 865 000 194 000 1 400 1 800
7148KRD 240 9.4488 360 14.1732 112 4.4094 2.50 .100 1.00 .040 494 000 111 000 915 000 206 000 1 200 1 600
7152KRD 260 10.2362 400 15.7480 130 5.1181 3.00 .120 1.50 .060 618 000 139 000 1 180 000 265 000 1 200 1 500
7156KRD 280 11.0236 420 16.5354 130 5.1181 3.00 .120 1.50 .060 637 000 143 000 1 250 000 281 000 1 200 1 500
7160KRD 300 11.8110 460 18.1102 148 5.8268 3.00 .120 1.50 .060 728 000 164 000 1 580 000 355 000 1 000 1 400
7164KRD 320 12.5984 480 18.8976 148 5.8268 3.00 .120 1.50 .060 761 000 171 000 1 630 000 366 000 960 1 300
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) For thrust rating multiply C by 0.81 and CO by 1.47.
3) Listed values are for machined bronze cage, ABEC-1.
For phenolic composition cage, multiply by 1.33 for both grease and oil. For phenolic composition cage, ABEC-5 or 7, multiply by 1.86 for both grease and oil. For pressed steel cage, ABEC-1,
multiply by 0.67 for grease and 0.80 for oil. The speed rating adjustment factors have been determined through historical application and practice. For a more complete explanation, see page 272.
4) Rating for one million revolutions or 500 hours at 331/3 rpm.
130
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Outside
Bore diameter Width Fillet radius1) Basic radial load rating2) Speed rating3)
Dynamic Static
MRC d D B ra rb C4) C0 Grease Oil
bearing
number mm in. mm in. mm in. mm in. mm in. N lbf N lbf rpm rpm
7200 10 .3937 30 1.1811 9 .3543 .64 .025 .30 .012 5 400 1 210 2 750 618 28 000 36 000
7201 12 .4724 32 1.2598 10 .3937 .64 .025 .30 .012 6 240 1 400 3 200 719 22 000 29 000
7202 15 .5906 35 1.3780 11 .4331 .64 .025 .30 .012 9 040 2 030 4 750 1 070 20 000 26 000
7203 17 .6693 40 1.5748 12 .4724 .64 .025 .30 .012 11 900 2 680 6 550 1 470 18 000 23 000
7204 20 .7874 47 1.8504 14 .5512 1.00 .040 .60 .024 12 700 2 860 7 200 1 620 15 000 19 000
7205 25 .9843 52 2.0472 15 .5906 1.00 .040 .60 .024 15 300 3 440 9 500 2 140 12 000 16 000
7206 30 1.1811 62 2.4409 16 .6299 1.00 .040 .60 .024 16 800 3 780 11 800 2 650 10 000 13 000
7207 35 1.3780 72 2.8346 17 .6693 1.00 .040 .60 .024 23 400 5 260 17 000 3 820 9 200 12 000
7208 40 1.5748 80 3.1496 18 .7087 1.00 .040 .60 .024 30 700 6 900 22 800 5 130 7 700 10 000
7209 45 1.7717 85 3.3465 19 .7480 1.00 .040 .60 .024 30 700 6 900 23 200 5 220 7 300 9 500
7210 50 1.9685 90 3.5433 20 .7874 1.00 .040 .60 .024 33 200 7 460 27 000 6 070 6 400 8 300
7211 55 2.1654 100 3.9370 21 .8268 1.50 .060 1.00 .040 48 800 11 000 37 500 8 430 6 000 7 800
7212 60 2.3622 110 4.3307 22 .8661 1.50 .060 1.00 .040 52 700 11 800 44 000 9 890 5 400 7 000
7213 65 2.5591 120 4.7244 23 .9055 1.50 .060 1.00 .040 63 700 14 300 54 000 12 100 4 900 6 400
7214 70 2.7559 125 4.9213 24 .9449 1.50 .060 1.00 .040 63 700 14 300 55 000 12 400 4 600 6 000
7215 75 2.9528 130 5.1181 25 .9843 1.50 .060 1.00 .040 79 300 17 800 69 500 15 600 4 300 5 600
7216 80 3.1496 140 5.5118 26 1.0236 2.00 .080 1.00 .040 74 100 16 700 67 000 15 100 4 100 5 300
7217 85 3.3465 150 5.9055 28 1.1024 2.00 .080 1.00 .040 90 400 20 300 83 000 18 700 3 800 4 900
7218 90 3.5433 160 6.2992 30 1.1811 2.00 .080 1.00 .040 117 000 26 300 118 000 26 500 3 600 4 700
7219 95 3.7402 170 6.6929 32 1.2598 2.00 .080 1.00 .040 121 000 27 200 114 000 25 600 3 500 4 500
7220 100 3.9370 180 7.0866 34 1.3386 2.00 .080 1.00 .040 138 000 31 000 129 000 29 000 3 200 4 100
7221 105 4.1339 190 7.4803 36 1.4173 2.00 .080 1.00 .040 148 000 33 300 137 000 30 800 3 000 3 900
7222 110 4.3307 200 7.8740 38 1.4961 2.00 .080 1.00 .040 163 000 36 600 156 000 35 100 2 900 3 800
7224 120 4.7244 215 8.4646 40 1.5748 2.00 .080 1.00 .040 174 000 39 100 176 000 39 600 2 700 3 500
7226 130 5.1181 230 9.0551 40 1.5748 2.50 .100 1.00 .040 195 000 43 800 208 000 46 800 2 500 3 200
7228 140 5.5118 250 9.8425 42 1.6535 2.50 .100 1.00 .040 208 000 46 800 232 000 52 200 2 300 3 000
7230 150 5.9055 270 10.6299 45 1.7717 2.50 .100 1.00 .040 242 000 54 400 280 000 62 900 2 100 2 700
7232 160 6.2992 290 11.4173 48 1.8898 2.50 .100 1.00 .040 270 000 60 700 325 000 73 100 2 000 2 600
7234 170 6.6929 310 12.2047 52 2.0472 3.00 .120 1.00 .040 286 000 64 300 365 000 82 100 1 900 2 500
7236 180 7.0866 320 12.5984 52 2.0472 3.00 .120 1.00 .040 302 000 67 900 390 000 87 700 1 900 2 400
7238 190 7.4803 340 13.3858 55 2.1654 3.00 .120 1.00 .040 332 000 74 600 450 000 101 000 1 700 2 200
7240 200 7.8740 360 14.1732 58 2.2835 3.00 .120 1.00 .040 351 000 78 900 490 000 110 000 1 600 2 100
7242 210 8.2677 380 14.9606 61 2.4016 3.00 .120 1.00 .040 390 000 87 700 560 000 126 000 1 500 2 000
7244 220 8.6614 400 15.7480 65 2.5591 3.00 .120 1.00 .040 403 000 90 600 600 000 135 000 1 500 2 000
7246 230 9.0551 420 16.5354 68 2.6772 3.00 .120 1.00 .040 442 000 99 400 670 000 151 000 1 500 1 900
7248 240 9.4488 440 17.3228 72 2.8346 3.00 .120 1.00 .040 475 000 107 000 750 000 169 000 1 400 1 800
7250 250 9.8425 460 18.1102 76 2.9921 4.00 .160 1.50 .060 520 000 117 000 830 000 187 000 1 400 1 800
7252 260 10.2362 480 18.8976 80 3.1496 4.00 .160 1.50 .060 559 000 126 000 915 000 206 000 1 300 1 700
7256 280 11.0236 500 19.6850 80 3.1496 4.00 .160 1.50 .060 572 000 129 000 980 000 220 000 1 300 1 700
7260 300 11.8110 540 21.2598 85 3.3465 4.00 .160 1.50 .060 618 000 139 000 1 100 000 247 000 1 200 1 600
7264 320 12.5984 580 22.8346 92 3.6220 4.00 .160 1.50 .060 650 000 146 000 1 220 000 274 000 1 200 1 500
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) For thrust rating multiply C by 1.32 and C0 by 2.94.
3) Listed values are for machined bronze cage, ABEC-1.
For phenolic composition cage, multiply by 1.33 for both grease and oil. For phenolic composition cage, ABEC-5 or 7, multiply by 1.86 for both grease and oil. For pressed steel cage, ABEC-1,
multiply by 0.67 for grease and 0.80 for oil. The speed rating adjustment factors have been determined through historical application and practice. For a more complete explanation, see page 272.
4) Rating for one million revolutions or 500 hours at 331/3 rpm.
131
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Outside
Bore diameter Width Fillet radius1) Basic radial load rating2) Speed rating3)
Dynamic Static
MRC d D B ra rb C4) C0 Grease Oil
bearing
number mm in. mm in. mm in. mm in. mm in. N lbf N lbf rpm rpm
7200D 10 .3937 30 1.1811 18 .7087 .64 .025 .30 .012 8 840 1 900 5 500 1 240 22 000 29 000
7201D 12 .4724 32 1.2598 20 .7874 .64 .025 .30 .012 10 100 2 270 6 400 1 440 18 000 23 000
7202D 15 .5906 35 1.3780 22 .8661 .64 .025 .30 .012 14 800 3 330 9 500 2 140 16 000 21 000
7203D 17 .6693 40 1.5748 24 .9449 .64 .025 .30 .012 19 500 4 380 13 200 2 970 14 000 18 000
7204D 20 .7874 47 1.8504 28 1.1024 1.00 .040 .60 .024 20 800 4 680 14 600 3 280 12 000 15 000
7205D 25 .9843 52 2.0472 30 1.1811 1.00 .040 .60 .024 25 100 5 640 19 000 4 270 9 600 13 000
7206D 30 1.1811 62 2.4409 32 1.2598 1.00 .040 .60 .024 27 600 6 200 23 600 5 310 8 000 10 000
7207D 35 1.3780 72 2.8346 34 1.3386 1.00 .040 .60 .024 37 700 8 480 34 000 7 640 7 400 9 600
7208D 40 1.5748 80 3.1496 36 1.4173 1.00 .040 .60 .024 49 400 11 100 45 500 10 200 6 200 8 000
7209D 45 1.7717 85 3.3465 38 1.4961 1.00 .040 .60 .024 49 400 11 100 46 500 10 500 5 800 7 600
7210D 50 1.9685 90 3.5433 40 1.5748 1.00 .040 .60 .024 54 000 12 100 54 000 12 100 5 100 6 600
7211D 55 2.1654 100 3.9370 42 1.6535 1.50 .060 1.00 .040 79 300 17 800 75 000 16 900 4 800 6 200
7212D 60 2.3622 110 4.3307 44 1.7323 1.50 .060 1.00 .040 85 200 19 100 88 000 19 800 4 300 5 600
7213D 65 2.5591 120 4.7244 46 1.8110 1.50 .060 1.00 .040 104 000 23 400 110 000 24 700 3 900 5 100
7214D 70 2.7559 125 4.9213 48 1.8898 1.50 .060 1.00 .040 104 000 23 400 110 000 24 700 3 700 4 800
7215D 75 2.9528 130 5.1181 50 1.9685 1.50 .060 1.00 .040 130 000 29 200 140 000 31 500 3 400 4 500
7216D 80 3.1496 140 5.5118 52 2.0472 2.00 .080 1.00 .040 121 000 27 200 134 000 30 100 3 300 4 200
7217D 85 3.3465 150 5.9055 56 2.2047 2.00 .080 1.00 .040 148 000 33 300 166 000 37 300 3 000 3 900
7218D 90 3.5433 160 6.2992 60 2.3622 2.00 .080 1.00 .040 190 000 42 700 236 000 53 100 2 900 3 800
7219D 95 3.7402 170 6.6929 64 2.5197 2.00 .080 1.00 .040 199 000 44 700 228 000 51 300 2 800 3 600
7220D 100 3.9370 180 7.0866 68 2.6772 2.00 .080 1.00 .040 225 000 50 600 260 000 58 500 2 600 3 300
7221D 105 4.1339 190 7.4803 72 2.8346 2.00 .080 1.00 .040 242 000 54 400 295 000 66 300 2 400 3 100
7222D 110 4.3307 200 7.8740 76 2.9921 2.00 .080 1.00 .040 265 000 59 600 310 000 69 700 2 300 3 000
7224D 120 4.7244 215 8.4646 80 3.1496 2.00 .080 1.00 .040 281 000 63 200 355 000 79 800 2 200 2 800
7226D 130 5.1181 230 9.0551 80 3.1496 2.50 .100 1.00 .040 319 000 71 700 415 000 93 300 2 000 2 600
7228D 140 5.5118 250 9.8425 84 3.3071 2.50 .100 1.00 .040 338 000 76 000 465 000 105 000 1 800 2 400
7230D 150 5.9055 270 10.6299 90 3.5433 2.50 .100 1.00 .040 397 000 89 200 560 000 126 000 1 700 2 200
7232D 160 6.2992 290 11.4173 96 3.7795 2.50 .100 1.00 .040 442 000 99 400 670 000 135 000 1 600 2 100
7234D 170 6.6929 310 12.2047 104 4.0945 3.00 .120 1.00 .040 468 000 105 000 735 000 165 000 1 500 2 000
7236D 180 7.0866 320 12.5984 104 4.0945 3.00 .120 1.00 .040 494 000 111 000 780 000 175 000 1 500 1 900
7238D 190 7.4803 340 13.3858 110 4.3307 3.00 .120 1.00 .040 540 000 121 000 900 000 202 000 1 400 1 800
7240D 200 7.8740 360 14.1732 116 4.5669 3.00 .120 1.00 .040 572 000 129 000 965 000 217 000 1 300 1 700
7242D 210 8.2677 380 14.9606 122 4.8031 3.00 .120 1.00 .040 637 000 143 000 1 120 000 252 000 1 200 1 600
7244D 220 8.6614 400 15.7480 130 5.1181 3.00 .120 1.00 .040 650 000 146 000 1 200 000 270 000 1 200 1 600
7246D 230 9.0551 420 16.5354 136 5.3543 3.00 .120 1.00 .040 715 000 161 000 1 340 000 301 000 1 200 1 500
7248D 240 9.4488 440 17.3228 144 5.6693 3.00 .120 1.00 .040 780 000 175 000 1 500 000 337 000 1 100 1 400
7250D 250 9.8425 460 18.1102 152 5.9843 4.00 .160 1.50 .060 852 000 192 000 1 660 000 373 000 1 100 1 400
7252D 260 10.2362 480 18.8976 160 6.2992 4.00 .160 1.50 .060 904 000 203 000 1 830 000 411 000 1 000 1 400
7256D 280 11.0236 500 19.6850 160 6.2992 4.00 .160 1.50 .060 936 000 210 000 2 000 000 450 000 1 000 1 400
7260D 300 11.8110 540 21.2598 170 6.6929 4.00 .160 1.50 .060 1 010 000 227 000 2 200 000 495 000 960 1 300
7264D 320 12.5984 580 22.8346 184 7.2441 4.00 .160 1.50 .060 1 060 000 238 000 2 400 000 540 000 960 1 200
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) For thrust rating multiply C by 0.81 and CO by 1.47.
3) Listed values are for machined bronze cage, ABEC-1.
For phenolic composition cage, multiply by 1.33 for both grease and oil. For phenolic composition cage, ABEC-5 or 7, multiply by 1.86 for both grease and oil. For pressed steel cage, ABEC-1,
multiply by 0.67 for grease and 0.80 for oil. The speed rating adjustment factors have been determined through historical application and practice. For a more complete explanation, see page 272.
4) Rating for one million revolutions or 500 hours at 331/3 rpm.
132
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Outside
Bore diameter Width Fillet radius1) Basic radial load rating2) Speed rating3)
Dynamic Static
MRC d D B ra rb C4) C0 Grease Oil
bearing
number mm in. mm in. mm in. mm in. mm in. N lbf N lbf rpm rpm
7300 10 .3937 35 1.3780 11 .4331 .64 .025 .60 .024 6 370 1 430 3 200 719 24 000 31 000
7301 12 .4724 37 1.4567 12 .4724 1.00 .040 .60 .024 7 020 1 580 3 750 843 19 000 25 000
7302 15 .5906 42 1.6535 13 .5118 1.00 .040 .60 .024 13 500 3 030 7 100 1 600 16 000 21 000
7303 17 .6693 47 1.8504 14 .5512 1.00 .040 .60 .024 15 900 3 570 8 650 1 940 15 000 19 000
7304 20 .7874 52 2.0472 15 .5906 1.00 .040 .60 .024 18 600 4 180 10 600 2 380 13 000 17 000
7305 25 .9843 62 2.4409 17 .6693 1.00 .040 .60 .024 21 200 4 770 13 700 3 080 11 000 14 000
7306 30 1.1811 72 2.8346 19 .7480 1.00 .040 .60 .024 28 100 6 320 18 600 4 180 9 200 12 000
7307 35 1.3780 80 3.1496 21 .8268 1.50 .060 1.00 .040 35 800 8 050 24 000 5 400 8 500 11 000
7308 40 1.5748 90 3.5433 23 .9055 1.50 .060 1.00 .040 44 200 9 940 30 500 6 860 7 300 9 500
7309 45 1.7717 100 3.9370 25 .9843 1.50 .060 1.00 .040 52 700 11 800 37 500 8 430 6 400 8 300
7310 50 1.9685 110 4.3307 27 1.0630 2.00 .080 1.00 .040 74 100 16 700 53 000 11 900 5 800 7 500
7311 55 2.1654 120 4.7244 29 1.1417 2.00 .080 1.00 .040 85 200 19 200 62 000 13 900 5 100 6 600
7312 60 2.3622 130 5.1181 31 1.2205 2.00 .080 1.00 .040 97 500 21 900 72 000 16 200 4 900 6 400
7313 65 2.5591 140 5.5118 33 1.2992 2.00 .080 1.00 .040 108 000 24 300 86 500 19 400 4 600 6 000
7314 70 2.7559 150 5.9055 35 1.3780 2.00 .080 1.00 .040 111 000 25 000 85 000 19 100 4 100 5 300
7315 75 2.9528 160 6.2992 37 1.4567 2.00 .080 1.00 .040 138 000 31 000 114 000 25 600 3 900 5 000
7316 80 3.1496 170 6.6929 39 1.5354 2.00 .080 1.00 .040 143 000 32 100 120 000 27 000 3 600 4 700
7317 85 3.3465 180 7.0866 41 1.6142 2.50 .100 1.00 .040 163 000 36 600 143 000 32 100 3 500 4 500
7318 90 3.5433 190 7.4803 43 1.6929 2.50 .100 1.00 .040 168 000 37 800 150 000 33 700 3 200 4 200
7319 95 3.7402 200 7.8740 45 1.7717 2.50 .100 1.00 .040 178 000 40 000 166 000 37 300 3 100 4 000
7320 100 3.9370 215 8.4646 47 1.8504 2.50 .100 1.00 .040 190 000 42 700 183 000 41 100 3 000 3 900
7321 105 4.1339 225 8.8583 49 1.9291 2.50 .100 1.00 .040 203 000 45 600 200 000 45 000 2 900 3 800
7322 110 4.3307 240 9.4488 50 1.9685 2.50 .100 1.00 .040 229 000 51 500 236 000 53 100 2 700 3 500
7324 120 4.7244 260 10.2362 55 2.1654 2.50 .100 1.00 .040 260 000 58 500 275 000 61 800 2 500 3 200
7326 130 5.1181 280 11.0236 58 2.2835 3.00 .120 1.00 .040 286 000 64 300 320 000 71 900 2 300 3 000
7328 140 5.5118 300 11.8110 62 2.4409 3.00 .120 1.00 .040 312 000 70 100 375 000 84 300 2 200 2 800
7330 150 5.9055 320 12.5984 65 2.5591 3.00 .120 1.00 .040 345 000 77 600 430 000 96 700 2 000 2 600
7332 160 6.2992 340 13.3858 68 2.6772 3.00 .120 1.00 .040 377 000 84 800 490 000 110 000 1 900 2 500
7334 170 6.6929 360 14.1732 72 2.8346 3.00 .120 1.00 .040 397 000 89 200 520 000 117 000 1 900 2 400
7336 180 7.0866 380 14.9606 75 2.9528 3.00 .120 1.00 .040 423 000 95 100 585 000 132 000 1 800 2 300
7338 190 7.4803 400 15.7480 78 3.0709 4.00 .160 1.50 .060 462 000 104 000 655 000 147 000 1 600 2 100
7340 200 7.8740 420 16.5354 80 3.1496 4.00 .160 1.50 .060 494 000 111 000 720 000 162 000 1 500 2 000
7342 210 8.2677 440 17.3228 84 3.3071 4.00 .160 1.50 .060 527 000 118 000 800 000 180 000 1 500 1 900
7344 220 8.6614 460 18.1102 88 3.4646 4.00 .160 1.50 .060 559 000 126 000 865 000 194 000 1 400 1 800
7348 240 9.4488 500 19.6850 95 3.7402 4.00 .160 1.50 .060 605 000 136 000 965 000 217 000 1 400 1 700
7352 260 10.2362 540 21.2598 102 4.0157 5.00 .200 2.00 .080 663 000 149 000 1 140 000 256 000 1 300 1 600
7356 280 11.0236 580 22.8346 108 4.2520 5.00 .200 2.00 .080 741 000 167 000 1 340 000 301 000 1 200 1 500
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) For thrust rating multiply C by 1.32 and CO by 2.94.
3) Listed values are for machined bronze cage, ABEC-1.
For phenolic composition cage, multiply by 1.33 for both grease and oil. For phenolic composition cage, ABEC-5 or 7, multiply by 1.86 for both grease and oil. For pressed steel cage, ABEC-1,
multiply by 0.67 for grease and 0.80 for oil. The speed rating adjustment factors have been determined through historical application and practice. For a more complete explanation, see page 272.
4) Rating for one million revolutions or 500 hours at 331/3 rpm.
133
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Outside
Bore diameter Width Fillet radius1) Basic radial load rating2) Speed rating3)
Dynamic Static
MRC d D B ra rb C4) C0 Grease Oil
bearing
number mm in. mm in. mm in. mm in. mm in. N lbf N lbf rpm rpm
7300D 10 .3937 35 1.3780 22 .8661 .64 .025 .60 .024 10 400 2 340 6 400 1 440 19 000 25 000
7301D 12 .4724 37 1.4567 24 .9449 1.00 .040 .60 .024 11 400 2 560 7 500 1 690 15 000 20 000
7302D 15 .5906 42 1.6535 26 1.0236 1.00 .040 .60 .024 21 600 4 860 14 300 3 210 13 000 17 000
7303D 17 .6693 47 1.8504 28 1.1024 1.00 .040 .60 .024 26 000 5 850 17 300 3 890 12 000 15 000
7304D 20 .7874 52 2.0472 30 1.1811 1.00 .040 .60 .024 30 200 6 790 21 200 4 770 10 000 14 000
7305D 25 .9843 62 2.4409 34 1.3386 1.00 .040 .60 .024 34 500 7 760 27 000 6 070 8 800 11 000
7306D 30 1.1811 72 2.8346 38 1.4961 1.00 .040 .60 .024 46 200 10 400 37 500 8 430 7 400 9 600
7307D 35 1.3780 80 3.1496 42 1.6535 1.50 .060 1.00 .040 58 500 13 200 48 000 10 800 6 800 8 800
7308D 40 1.5748 90 3.5433 46 1.8110 1.50 .060 1.00 .040 71 500 16 100 61 000 13 700 5 800 7 600
7309D 45 1.7717 100 3.9370 50 1.9685 1.50 .060 1.00 .040 85 200 19 200 75 000 16 900 5 100 6 600
7310D 50 1.9685 110 4.3307 54 2.1260 2.00 .080 1.00 .040 121 000 27 200 106 000 23 800 4 600 6 000
7311D 55 2.1654 120 4.7244 58 2.2835 2.00 .080 1.00 .040 140 000 31 500 125 000 28 100 4 100 5 300
7312D 60 2.3622 130 5.1181 62 2.4409 2.00 .080 1.00 .040 159 000 35 700 146 000 32 800 3 900 5 100
7313D 65 2.5591 140 5.5118 66 2.5984 2.00 .080 1.00 .040 178 000 40 000 173 000 38 900 3 700 4 800
7314D 70 2.7559 150 5.9055 70 2.7559 2.00 .080 1.00 .040 182 000 40 900 170 000 38 200 3 300 4 200
7315D 75 2.9528 160 6.2992 74 2.9134 2.00 .080 1.00 .040 225 000 50 600 228 000 51 300 3 100 4 000
7316D 80 3.1496 170 6.6929 78 3.0709 2.00 .080 1.00 .040 234 000 52 600 240 000 54 000 2 900 3 800
7317D 85 3.3465 180 7.0866 82 3.2283 2.50 .100 1.00 .040 265 000 59 600 285 000 64 100 2 800 3 600
7318D 90 3.5433 190 7.4803 86 3.3858 2.50 .100 1.00 .040 276 000 62 000 300 000 67 400 2 600 3 400
7319D 95 3.7402 200 7.8740 90 3.5433 2.50 .100 1.00 .040 291 000 65 400 325 000 73 100 2 500 3 200
7320D 100 3.9370 215 8.4646 94 3.7008 2.50 .100 1.00 .040 312 000 70 100 365 000 82 100 2 400 3 100
7321D 105 4.1339 225 8.8583 98 3.8583 2.50 .100 1.00 .040 332 000 74 600 400 000 89 900 2 300 3 000
7322D 110 4.3307 240 9.4488 100 3.9370 2.50 .100 1.00 .040 371 000 83 400 475 000 107 000 2 200 2 800
7324D 120 4.7244 260 10.2362 110 4.3307 2.50 .100 1.00 .040 423 000 95 100 560 000 126 000 2 000 2 600
7326D 130 5.1181 280 11.0236 116 4.5669 3.00 .120 1.00 .040 468 000 105 000 640 000 144 000 1 800 2 400
7328D 140 5.5118 300 11.8110 124 4.8819 3.00 .120 1.00 .040 507 000 114 000 735 000 165 000 1 800 2 200
7330D 150 5.9055 320 12.5984 130 5.1181 3.00 .120 1.00 .040 559 000 126 000 865 000 194 000 1 600 2 100
7332D 160 6.2992 340 13.3858 136 5.3543 3.00 .120 1.00 .040 618 000 139 000 965 000 217 000 1 500 2 000
7334D 170 6.6929 360 14.1732 144 5.6693 3.00 .120 1.00 .040 650 000 146 000 1 040 000 234 000 1 500 1 900
7336D 180 7.0866 380 14.9606 150 5.9055 3.00 .120 1.00 .040 689 000 155 000 1 160 000 261 000 1 400 1 800
7338D 190 7.4803 400 15.7480 156 6.1417 4.00 .160 1.50 .060 761 000 171 000 1 290 000 270 000 1 300 1 700
7340D 200 7.8740 420 16.5354 160 6.2992 4.00 .160 1.50 .060 806 000 181 000 1 430 000 321 000 1 200 1 600
7342D 210 8.2677 440 17.3228 168 6.6142 4.00 .160 1.50 .060 852 000 192 000 1 600 000 360 000 1 200 1 500
7344D 220 8.6614 460 18.1102 176 6.9291 4.00 .160 1.50 .060 904 000 203 000 1 730 000 389 000 1 100 1 400
7348D 240 9.4488 500 19.6850 190 7.4803 4.00 .160 1.50 .060 975 000 219 000 1 930 000 434 000 1 000 1 400
7352D 260 10.2362 540 21.2598 204 8.0315 5.00 .200 2.00 .080 1 080 000 243 000 2 280 000 513 000 960 1 300
7356D 280 11.0236 580 22.8346 216 8.5039 5.00 .200 2.00 .080 1 210 000 272 000 2 650 000 596 000 960 1 200
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) For thrust rating multiply C by 0.81 and C0 by 1.47.
3) Listed values are for machined bronze cage, ABEC-1.
For phenolic composition cage, multiply by 1.33 for both grease and oil. For phenolic composition cage, ABEC-5 or 7, multiply by 1.86 for both grease and oil. For pressed steel cage, ABEC-1,
multiply by 0.67 for grease and 0.80 for oil. The speed rating adjustment factors have been determined through historical application and practice. For a more complete explanation, see page 272.
4) Rating for one million revolutions or 500 hours at 331/3 rpm.
134
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Outside
Bore diameter Width Fillet radius1) Basic radial load rating2) Speed rating3)
Dynamic Static
MRC d D B ra rb C4) C0 Grease Oil
bearing
number mm in. mm in. mm in. mm in. mm in. N lbf N lbf rpm rpm
7403 17 .6693 62 2.4409 17 .6693 1.0 .04 .60 .024 26 000 5 850 13 700 3 080 14 000 18 000
7404 20 .7874 72 2.8346 19 .7480 1.0 .04 .60 .024 32 500 7 310 17 600 3 960 12 000 15 000
7405 25 .9843 80 3.1496 21 .8268 1.5 .06 1.00 .040 42 300 9 510 24 500 5 510 9 200 12 000
7406 30 1.1811 90 3.5433 23 .9055 1.5 .06 1.00 .040 54 000 12 100 34 000 7 640 7 700 10 000
7407 35 1.3780 100 3.9370 25 .9843 1.5 .06 1.00 .040 63 700 14 300 40 500 9 100 6 600 8 500
7408 40 1.5748 110 4.3307 27 1.0630 2.0 .08 1.00 .040 74 100 16 700 49 000 11 000 5 400 7 700
7409 45 1.7717 120 4.7244 29 1.1417 2.0 .08 1.00 .040 85 200 19 200 57 000 12 800 5 300 6 900
7410 50 1.9685 130 5.1181 31 1.2205 2.0 .08 1.00 .040 95 600 21 500 72 000 16 200 4 900 6 400
7411 55 2.1654 140 5.5118 33 1.2992 2.0 .08 1.00 .040 108 000 24 300 78 000 17 500 4 500 5 800
7412 60 2.3622 150 5.9055 35 1.3780 2.0 .08 1.00 .040 127 000 28 600 93 000 20 900 4 100 5 300
7413 65 2.5591 160 6.2992 37 1.4567 2.0 .08 1.00 .040 138 000 31 000 106 000 23 800 3 800 4 900
7414 70 2.7559 180 7.0866 42 1.6535 2.5 .10 1.00 .040 168 000 37 800 140 000 31 500 3 500 4 600
7415 75 2.9528 190 7.4803 45 1.7717 2.5 .10 1.00 .040 182 000 40 900 156 000 35 100 3 300 4 300
7416 80 3.1496 200 7.8740 48 1.8898 2.5 .10 1.00 .040 190 000 42 700 170 000 38 200 3 200 4 100
7417 85 3.3465 210 8.2677 52 2.0472 3.0 .12 1.00 .040 203 000 45 600 186 000 41 800 2 900 3 800
7418 90 3.5433 225 8.8583 54 2.1260 3.0 .12 1.00 .040 229 000 51 500 220 000 49 500 2 700 3 500
7419 95 3.7402 250 9.8425 55 2.1654 3.0 .12 1.00 .040 255 000 57 300 255 000 57 300 2 500 3 300
7420 100 3.9370 265 10.4331 60 2.3622 3.0 .12 1.00 .040 276 000 62 000 290 000 65 200 2 400 3 200
7421 105 4.1339 290 11.4173 65 2.5591 3.0 .12 1.00 .040 332 000 74 600 325 000 73 100 2 300 3 000
7422 110 4.3307 320 12.5984 70 2.7559 3.0 .12 1.00 .040 371 000 83 400 390 000 87 700 2 200 2 900
7400D
7403D 17 .6693 62 2.4409 34 1.3386 1.0 .04 .600 .024 42 300 9 510 27 000 6 070 11 000 14 000
7404D 20 .7874 72 2.8346 38 1.4961 1.0 .04 .600 .024 52 700 11 800 35 500 7 980 9 600 12 000
7405D 25 .9843 80 3.1496 42 1.6535 1.5 .06 1.00 .040 68 900 15 500 49 000 11 000 7 400 9 600
7406D 30 1.1811 90 3.5433 46 1.8110 1.5 .06 1.00 .040 88 400 19 900 68 000 15 300 6 200 8 000
7407D 35 1.3780 100 3.9370 50 1.9685 1.5 .06 1.00 .040 104 000 23 400 81 500 18 300 5 300 6 800
7408D 40 1.5748 110 4.3307 54 2.1260 2.0 .08 1.00 .040 121 000 27 200 96 500 21 700 4 300 6 200
7409D 45 1.7717 120 4.7244 58 2.2835 2.0 .08 1.00 .040 138 000 31 000 114 000 25 600 4 200 5 500
7410D 50 1.9685 130 5.1181 62 2.4409 2.0 .08 1.00 .040 156 000 35 100 146 000 32 800 3 900 5 100
7411D 55 2.1654 140 5.5118 66 2.5984 2.0 .08 1.00 .040 178 000 40 000 156 000 35 100 3 600 4 600
7412D 60 2.3622 150 5.9055 70 2.7559 2.0 .08 1.00 .040 203 000 45 600 190 000 42 700 3 300 4 200
7413D 65 2.5591 160 6.2992 74 2.9134 2.0 .08 1.00 .040 225 000 50 600 275 000 61 800 3 000 3 900
7414D 70 2.7559 180 7.0866 84 3.3071 2.5 .10 1.00 .040 276 000 62 000 280 000 62 900 2 800 3 700
7415D 75 2.9528 190 7.4803 90 3.5433 2.5 .10 1.00 .040 291 000 65 400 310 000 69 700 2 600 3 400
7416D 80 3.1496 200 7.8740 96 3.7795 2.5 .10 1.00 .040 312 000 70 100 340 000 76 400 2 500 3 300
7417D 85 3.3465 210 8.2677 104 4.0945 3.0 .12 1.00 .040 332 000 74 200 375 000 84 300 2 300 3 000
7418D 90 3.5433 225 8.8583 108 4.2520 3.0 .12 1.00 .040 371 000 83 400 440 000 98 900 2 200 2 800
7419D 95 3.7402 250 9.8425 110 4.3307 3.0 .12 1.00 .040 410 000 92 200 510 000 115 000 2 000 2 600
7420D 100 3.9370 265 10.4331 120 4.7244 3.0 .12 1.00 .040 449 000 101 000 585 000 132 000 1 900 2 600
7421D 105 4.1339 290 11.4173 130 5.1181 3.0 .12 1.00 .040 540 000 121 000 670 000 151 000 1 800 2 400
7422D 110 4.3307 320 12.5984 140 5.5118 3.0 .12 1.00 .040 605 000 136 000 800 000 180 000 1 700 2 300
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) For thrust rating multiply C by 1.32 and CO by 2.94 (single) and C by 0.81 and C0 by 1.47 (duplex).
3) Listed values are for machined bronze cage, ABEC-1.
For phenolic composition cage, multiply by 1.33 for both grease and oil. For phenolic composition cage, ABEC-5 or 7, multiply by 1.86 for both grease and oil. For pressed steel cage, ABEC-1,
multiply by 0.67 for grease and 0.80 for oil. The speed rating adjustment factors have been determined through historical application and practice. For a more complete explanation, see page 272.
4) Rating for one million revolutions or 500 hours at 331/3 rpm.
135
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136
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Case 1
Radial load (FR) = 1750
Thrust load (FA) = 1310
Equivalent load (P) = FR or 0.39 FR + 0.76 FA
FA/FR = 1310/1750 = 0.75
Since FA/FR < 0.80, P = FR = 1750
3
( CP )= ( 11800
3
1750 )
Life (L10) = = 307 × 10 Rev.
6
or
3
11800
60n ( P ) 60 × 2000 ( 1750 )
10 C
6 3 10 6
Life (L10 ) =
h
=
= 2555 Hrs
Case 2
Radial load (FR) = 1750
Thrust load (FA) = 2100
Equivalent load (P) = FR or 0.39 FR + 0.76 FA
FA/FR = 2100/1750 = 1.20
Since FA/FR > 0.80, P = 0.39 x 1750 + 0.76 x 2100 = 2279
C 3 11800 3
Life (L10) =()( )
P
=
2279
= 139 × 106 Rev.
or
3
11800
60n ( P ) 60 × 2000 ( 2279 )
10 C
6 3 10 6
Life (L10 ) =
h
=
= 1157 Hrs
Case 3
Thrust load (FA) = 2100
Equivalent load (P) = 0.39 FR + 0.76 FA
FA/FR = 2100/0 = ∞
Since FA/FR > 0.80, P = 0.76 x 2100 = 1596
3
C 3 11800
Life (L10) = ( ) ( ) = 404 × 10 Rev.
P
=
1596
6
or
3
11800
60 × 2000 1596 )
(
C 3
10
( )
6
Life (L 10 ) = = 10 6
h
60n P
= 3368 Hrs
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Tandem DT
P = 1.0 FR when FA / FR ≤ 0.80
Life rating
( CP )
3
L10 = (millions of revolutions)
or
106 C 3
L10h =
60n P ( )
(hours)
For DB or DF mounting:
C = Duplex pair dynamic radial load rating
(from duplex bearing tables)
or
C = Single-row dynamic radial load rating
times (i) 0.7, where i = 2
For DT tandem mounting:
C = Single-row dynamic radial load rating times
(i) 0.7, where i = number of bearings in set
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( CP ) = ( 25460
3
3192 )
or Life (L10) = = 507 × 10 Rev.6
( CP ) = ( 25460
3
4557 )
60n P Life (L10) = = 174 × 10 Rev.
6
60 × 2000 3707
= 1158 Hrs or
3
Life (L10h)= 10 C =
6 3 106
60n P ()
60 × 2000 ( 25460
4557 )
Case 3 = 1453 Hrs
Thrust load (FA) = 2100
FA/FR = 2100/0 = ∞
Since FA/FR > 0.80, equivalent load
(P) = 0.63 FR + 1.24 FA = 1.24 x 2100 = 2604
3
( CP ) = ( 19200
3
2604 )
Life (L10) = = 401 × 10 Rev.
6
or
3
C
( ) = 60 ×102000 ( 19200
3 6
2604 )
Life (L 10h) = 10
6
60n P
= 3340 Hrs
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Series Page
7200P Light – single bearing 142
7200PD Light – duplex set 143
7300P Medium – single bearing 144
7300PD Medium – duplex set 145
7400P/PD Heavy – single bearing and duplex set 146
7000P Equivalent load and life 148
7000P Minimum load calculation 148
7000P Life calculation examples 149
7000PD Equivalent load and life 150
7000PD Life calculation examples 151
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ra B
rb 7200P light series bearings are available in
bore sizes ranging from 10 mm to 200 mm.
ra ra They are used with heavy one-directional
40° thrust loads, or combined radial and thrust
loads where the thrust load is predominant.
d Caution: Single bearings are not to be used
D
where only radial loads are present. For two-
directional thrust loads, use duplex bearings.
Outside
Bore diameter Width Fillet radius1) Basic radial load rating2) Speed rating3)
Dynamic Static
MRC d D B ra rb C4) C0 Grease Oil
bearing
number mm in. mm in. mm in. mm in. mm in. N lbf N lbf rpm rpm
7200P 10 .3937 30 1.1811 9 .3543 .64 .025 .30 .012 7 020 1 580 3 200 719 19 000 28 000
7201P 12 .4724 32 1.2598 10 .3937 .64 .025 .30 .012 7 610 1 710 3 750 843 18 000 26 000
7202P 15 .5906 35 1.3780 11 .4331 .64 .025 .30 .012 8 840 1 990 4 250 955 17 000 24 000
7203P 17 .6693 40 1.5748 12 .4724 .64 .025 .30 .012 11 700 2 630 6 000 1 350 15 000 20 000
7204P 20 .7874 47 1.8504 14 .5512 1.00 .040 .60 .024 14 800 3 330 8 300 1 870 12 000 17 000
7205P 25 .9843 52 2.0472 15 .5906 1.00 .040 .60 .024 16 800 3 780 10 400 2 340 10 000 15 000
7206P 30 1.1811 62 2.4409 16 .6299 1.00 .040 .60 .024 21 200 4 770 12 700 2 860 8 500 12 000
7207P 35 1.3780 72 2.8346 17 .6693 1.00 .040 .60 .024 29 100 6 540 19 300 4 340 8 000 11 000
7208P 40 1.5748 80 3.1496 18 .7087 1.00 .040 .60 .024 32 500 7 310 22 400 5 040 7 000 9 500
7209P 45 1.7717 85 3.3465 19 .7480 1.00 .040 .60 .024 39 000 8 770 27 500 6 180 6 700 9 000
7210P 50 1.9685 90 3.5433 20 .7874 1.00 .040 .60 .024 40 300 9 060 30 000 6 740 6 000 8 000
7211P 55 2.1654 100 3.9370 21 .8268 1.50 .060 1.00 .040 48 800 11 000 37 500 8 430 5 600 7 500
7212P 60 2.3622 110 4.3307 22 .8661 1.50 .060 1.00 .040 58 500 13 200 45 500 10 200 5 000 6 700
7213P 65 2.5591 120 4.7244 23 .9055 1.50 .060 1.00 .040 63 700 14 300 51 000 11 500 4 500 6 000
7214P 70 2.7559 125 4.9213 24 .9449 1.50 .060 1.00 .040 68 900 15 500 56 000 12 600 4 300 5 600
7215P 75 2.9528 130 5.1181 25 .9843 1.50 .060 1.00 .040 71 500 16 100 60 000 13 500 4 000 5 300
7216P 80 3.1496 140 5.5118 26 1.0236 2.00 .080 1.00 .040 83 200 18 700 71 000 16 000 3 800 5 000
7217P 85 3.3465 150 5.9055 28 1.1024 2.00 .080 1.00 .040 95 600 21 500 83 000 18 700 3 600 4 800
7218P 90 3.5433 160 6.2992 30 1.1811 2.00 .080 1.00 .040 108 000 24 300 95 000 21 400 3 400 4 500
7219P 95 3.7402 170 6.6929 32 1.2598 2.00 .080 1.00 .040 124 000 27 900 110 000 24 700 3 200 4 300
7220P 100 3.9370 180 7.0866 34 1.3386 2.00 .080 1.00 .040 130 000 29 200 125 000 28 100 3 000 4 000
7221P 105 4.1339 190 7.4803 36 1.4173 2.00 .080 1.00 .040 143 000 32 100 129 000 29 000 2 800 3 800
7222P 110 4.3307 200 7.8740 38 1.4961 2.00 .080 1.00 .040 153 000 34 400 156 000 35 100 2 600 3 600
7224P 120 4.7244 215 8.4646 40 1.5748 2.00 .080 1.00 .040 165 000 37 100 163 000 36 600 2 200 3 200
7226P 130 5.1181 230 9.0551 40 1.5748 2.50 .100 1.00 .040 186 000 41 800 193 000 43 400 1 900 2 800
7228P 140 5.5118 250 9.8425 42 1.6535 2.50 .100 1.00 .040 199 000 44 700 216 000 48 600 1 800 2 600
7230P 150 5.9055 270 10.6299 45 1.7717 2.50 .100 1.00 .040 216 000 48 600 260 000 58 500 1 700 2 400
7232P 160 6.2992 290 11.4173 48 1.8898 2.50 .100 1.00 .040 238 000 53 500 280 000 62 900 1 600 2 200
7234P 170 6.6929 310 12.2047 52 2.0472 3.00 .120 1.00 .040 265 000 59 600 335 000 75 300 1 600 2 200
7236P 180 7.0866 320 12.5984 52 2.0472 3.00 .120 1.00 .040 276 000 62 000 355 000 79 800 1 500 2 000
7238P 190 7.4803 340 13.3858 55 2.1654 3.00 .120 1.00 .040 302 000 67 900 405 000 91 000 1 400 1 900
7240P 200 7.8740 360 14.1732 58 2.2835 3.00 .120 1.00 .040 319 000 71 700 440 000 98 900 1 300 1 800
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) For thrust rating multiply C by 1.75 and C0 by 3.85.
3) Listed values are for machined bronze cage, ABEC-1.
For phenolic composition cage, multiply by 1.33 for both grease and oil. For phenolic composition cage, ABEC-5 or 7, multiply by 1.86 for both grease and oil. For pressed steel cage, ABEC-1,
multiply by 0.67 for grease and 0.80 for oil. The speed rating adjustment factors have been determined through historical application and practice. For a more complete explanation, see page 272.
4) Rating for one million revolutions or 500 hours at 331/3 rpm.
142
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B Notes:
rb
“D” indicates a duplex ground half pair matched with
an identical half pair and is followed by an additional
ra suffix letter to describe the type of duplex. See pages
40° 240 and 241 for suffix description.
For duplex sets of 7000 and 9000 series bearings see
page 243.
D d Use these values for back-to-back (DB) or face-to-face
(DF) mounting arrangements.
ABEC-1 and -3 are stocked as half-pairs where
available.
Outside
Bore diameter Width Fillet radius1) Basic radial load rating2) Speed rating3)
Dynamic Static
MRC d D B ra rb C4) C0 Grease Oil
bearing
number mm in. mm in. mm in. mm in. mm in. N lbf N lbf rpm rpm
7200PD 10 .3937 30 1.1811 18 .7087 .64 .025 .30 .012 11 400 2 560 6 400 1 440 16 000 22 000
7201PD 12 .4724 32 1.2598 20 .7874 .64 .025 .30 .012 12 500 2 810 7 500 1 690 13 000 18 000
7202PD 15 .5906 35 1.3780 22 .8661 .64 .025 .30 .012 14 300 3 210 8 500 1 910 12 000 17 000
7203PD 17 .6693 40 1.5748 24 .9449 .64 .025 .30 .012 19 000 4 270 12 000 2 700 11 000 16 000
7204PD 20 .7874 47 1.8504 28 1.1024 1.00 .040 .60 .024 24 200 5 440 16 600 3 730 9 500 14 000
7205PD 25 .9843 52 2.0472 30 1.1811 1.00 .040 .60 .024 27 000 6 070 20 800 4 680 8 500 12 000
7206PD 30 1.1811 62 2.4409 32 1.2598 1.00 .040 .60 .024 34 500 7 760 25 500 5 730 7 500 10 000
7207PD 35 1.3780 72 2.8346 34 1.3386 1.00 .040 .60 .024 47 500 10 700 39 000 8 770 6 300 8 500
7208PD 40 1.5748 80 3.1496 36 1.4173 1.00 .040 .60 .024 52 700 11 800 45 000 10 100 5 600 7 500
7209PD 45 1.7717 85 3.3465 38 1.4961 1.00 .040 .60 .024 62 400 14 000 55 000 12 400 5 300 7 000
7210PD 50 1.9685 90 3.5433 40 1.5748 1.00 .040 .60 .024 65 000 14 600 60 000 13 500 4 800 6 300
7211PD 55 2.1654 100 3.9370 42 1.6535 1.50 .060 1.00 .040 79 300 17 800 75 000 16 900 4 500 6 000
7212PD 60 2.3622 110 4.3307 44 1.7323 1.50 .060 1.00 .040 95 600 21 500 91 600 20 600 4 000 5 300
7213PD 65 2.5591 120 4.7244 46 1.8110 1.50 .060 1.00 .040 104 000 23 400 100 000 22 500 3 600 4 800
7214PD 70 2.7559 125 4.9213 48 1.8898 1.50 .060 1.00 .040 112 000 25 200 112 000 25 200 3 400 4 500
7215PD 75 2.9528 130 5.1181 50 1.9685 1.50 .060 1.00 .040 117 000 26 300 120 000 27 000 3 200 4 300
7216PD 80 3.1496 140 5.5118 52 2.0472 2.00 .080 1.00 .040 135 000 30 300 140 000 31 500 3 000 4 000
7217PD 85 3.3465 150 5.9055 56 2.2047 2.00 .080 1.00 .040 156 000 35 100 166 000 37 300 2 800 3 800
7218PD 90 3.5433 160 6.2992 60 2.3622 2.00 .080 1.00 .040 178 000 40 000 190 000 42 700 2 600 3 600
7219PD 95 3.7402 170 6.6929 64 2.5197 2.00 .080 1.00 .040 199 000 44 700 220 000 49 500 2 400 3 400
7220PD 100 3.9370 180 7.0866 68 2.6772 2.00 .080 1.00 .040 212 000 47 700 250 000 56 200 2 200 3 200
7221PD 105 4.1339 190 7.4803 72 2.8346 2.00 .080 1.00 .040 229 000 51 500 260 000 58 500 2 000 3 000
7222PD 110 4.3307 200 7.8740 76 2.9921 2.00 .080 1.00 .040 251 000 56 400 310 000 69 700 1 900 2 800
7224PD 120 4.7244 215 8.4646 80 3.1496 2.00 .080 1.00 .040 270 000 60 700 325 000 73 100 1 700 2 400
7226PD 130 5.1181 230 9.0551 80 3.1496 2.50 .100 1.00 .040 302 000 67 900 390 000 87 700 1 700 2 400
7228PD 140 5.5118 250 9.8425 84 3.3071 2.50 .100 1.00 .040 319 000 71 700 430 000 96 700 1 600 2 200
7230PD 150 5.9055 270 10.6299 90 3.5433 2.50 .100 1.00 .040 351 000 78 900 520 000 117 000 1 500 2 000
7232PD 160 6.2992 290 11.4173 96 3.7795 2.50 .100 1.00 .040 390 000 87 700 560 000 126 000 1 300 1 700
7234PD 170 6.6929 310 12.2047 104 4.0945 3.00 .120 1.00 .040 436 000 98 000 655 000 147 000 1 200 1 600
7236PD 180 7.0866 320 12.5984 104 4.0945 3.00 .120 1.00 .040 449 000 101 000 710 000 160 000 1 100 1 500
7238PD 190 7.4803 340 13.3858 110 4.3307 3.00 .120 1.00 .040 488 000 110 000 815 000 183 000 1 100 1 500
7240PD 200 7.8740 360 14.1732 116 4.5669 3.00 .120 1.00 .040 520 000 117 000 880 000 198 000 1 000 1 400
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) For thrust rating multiply C by 1.08 and C0 by 1.93.
3) Listed values are for machined bronze cage, ABEC-1.
For phenolic composition cage, multiply by 1.33 for both grease and oil. For phenolic composition cage, ABEC-5 or 7, multiply by 1.86 for both grease and oil. For pressed steel cage, ABEC-1,
multiply by 0.67 for grease and 0.80 for oil. The speed rating adjustment factors have been determined through historical application and practice. For a more complete explanation, see page 272.
4) Rating for one million revolutions or 500 hours at 331/3 rpm.
143
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Outside
Bore diameter Width Fillet radius1) Basic radial load rating2) Speed rating3)
Dynamic Static
MRC d D B ra rb C4) C0 Grease Oil
bearing
number mm in. mm in. mm in. mm in. mm in. N lbf N lbf rpm rpm
7300P 10 .3937 35 1.3780 11 .4331 .64 .025 .30 .012 9 360 2 100 4 150 933 18 000 26 000
7301P 12 .4724 37 1.4567 12 .4724 1.00 .040 .60 .024 11 200 2 520 5 000 1 120 17 000 24 000
7302P 15 .5906 42 1.6535 13 .5118 1.00 .040 .60 .024 12 700 2 860 6 100 1 370 15 000 20 000
7303P 17 .6693 47 1.8504 14 .5512 1.00 .040 .60 .024 16 800 3 780 8 500 1 910 13 000 18 000
7304P 20 .7874 52 2.0472 15 .5906 1.00 .040 .60 .024 18 600 4 180 9 500 2 140 11 000 16 000
7305P 25 .9843 62 2.4409 17 .6693 1.00 .040 .60 .024 24 200 5 440 13 400 3 010 9 000 13 000
7306P 30 1.1811 72 2.8346 19 .7480 1.00 .040 .60 .024 32 500 7 310 19 600 4 410 8 000 11 000
7307P 35 1.3780 80 3.1496 21 .8268 1.50 .060 1.00 .040 39 700 8 920 24 500 5 510 7 500 10 000
7308P 40 1.5748 90 3.5433 23 .9055 1.50 .060 1.00 .040 47 500 10 700 30 500 6 860 6 700 9 000
7309P 45 1.7717 100 3.9370 25 .9843 1.50 .060 1.00 .040 59 200 13 300 40 000 8 990 6 000 8 000
7310P 50 1.9685 110 4.3307 27 1.0630 2.00 .080 1.00 .040 68 900 15 500 52 000 11 700 5 300 7 000
7311P 55 2.1654 120 4.7244 29 1.1417 2.00 .080 1.00 .040 79 300 17 800 56 000 12 600 4 800 6 300
7312P 60 2.3622 130 5.1181 31 1.2205 2.00 .080 1.00 .040 90 400 20 300 64 000 14 400 4 500 6 000
7313P 65 2.5591 140 5.5118 33 1.2992 2.00 .080 1.00 .040 101 000 22 700 80 000 18 000 4 300 5 600
7314P 70 2.7559 150 5.9055 35 1.3780 2.00 .080 1.00 .040 117 000 26 300 93 000 20 900 3 800 5 000
7315P 75 2.9528 160 6.2992 37 1.4567 2.00 .080 1.00 .040 127 000 28 600 100 000 22 500 3 600 4 800
7316P 80 3.1496 170 6.6929 39 1.5354 2.00 .080 1.00 .040 138 000 31 000 110 000 24 700 3 400 4 500
7317P 85 3.3465 180 7.0866 41 1.6142 2.50 .100 1.00 .040 148 000 33 300 122 000 27 400 3 200 4 300
7318P 90 3.5433 190 7.4803 43 1.6929 2.50 .100 1.00 .040 159 000 35 700 137 000 30 800 3 000 4 000
7319P 95 3.7402 200 7.8740 45 1.7717 2.50 .100 1.00 .040 168 000 37 800 150 000 33 700 2 800 3 800
7320P 100 3.9370 215 8.4646 47 1.8504 2.50 .100 1.00 .040 190 000 42 700 190 000 42 700 2 600 3 600
7321P 105 4.1339 225 8.8583 49 1.9291 2.50 .100 1.00 .040 203 000 45 600 196 000 44 100 2 400 3 400
7322P 110 4.3307 240 9.4488 50 1.9685 2.50 .100 1.00 .040 212 000 47 700 228 000 51 300 2 200 3 200
7324P 120 4.7244 260 10.2362 55 2.1654 2.50 .100 1.00 .040 238 000 53 500 265 000 59 600 1 900 2 800
7326P 130 5.1181 280 11.0236 58 2.2835 3.00 .120 1.00 .040 276 000 62 000 305 000 68 600 1 800 2 600
7328P 140 5.5118 300 11.8110 62 2.4409 3.00 .120 1.00 .040 302 000 67 900 345 000 77 600 1 700 2 400
7330P 150 5.9055 320 12.5984 65 2.5591 3.00 .120 1.00 .040 325 000 73 100 390 000 87 700 1 600 2 200
7332P 160 6.2992 340 13.3858 68 2.6772 3.00 .120 1.00 .040 345 000 77 600 425 000 95 500 1 500 2 000
7334P 170 6.6929 360 14.1732 72 2.8346 3.00 .120 1.00 .040 377 000 84 800 490 000 110 000 1 400 1 900
7336P 180 7.0866 380 14.9606 75 2.9528 3.00 .120 1.00 .040 403 000 90 600 540 000 121 000 1 300 1 800
7338P 190 7.4803 400 15.7480 78 3.0709 4.00 .160 1.50 .060 416 000 93 500 570 000 128 000 1 200 1 700
7340P 200 7.8740 420 16.5354 80 3.1496 4.00 .160 1.50 .060 449 000 101 000 655 000 147 000 1 100 1 600
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) For thrust rating multiply C by 1.75 and C0 by 3.85.
3) Listed values are for machined bronze cage, ABEC-1.
For phenolic composition cage, multiply by 1.33 for both grease and oil. For phenolic composition cage, ABEC-5 or 7, multiply by 1.86 for both grease and oil. For pressed steel cage, ABEC-1,
multiply by 0.67 for grease and 0.80 for oil. The speed rating adjustment factors have been determined through historical application and practice. For a more complete explanation, see page 272.
4) Rating for one million revolutions or 500 hours at 331/3 rpm.
144
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B Notes:
rb
“D” indicates a duplex ground half pair matched with
an identical half pair and is followed by an
ra
additional suffix letter to describe the type of duplex.
40° See pages 240 and 241 for suffix description.
For duplex sets of 7000 and 9000 series bearings see
page 243.
D d
Use these values for back-to-back (DB) or face-to-face
(DF) mounting arrangements.
ABEC-1 and -3 are stocked as half-pairs where
available.
Outside
Bore diameter Width Fillet radius1) Basic radial load rating2) Speed rating3)
Dynamic Static
MRC d D B ra rb C4) C0 Grease Oil
bearing
number mm in. mm in. mm in. mm in. mm in. N lbf N lbf rpm rpm
7300PD 10 .3937 35 1.3780 22 .8661 .64 .025 .30 .012 15 300 3 440 8 300 1 870 15 000 21 000
7301PD 12 .4724 37 1.4567 24 .9449 1.00 .040 .60 .024 18 200 4 090 10 200 2 290 14 000 19 000
7302PD 15 .5906 42 1.6535 26 1.0236 1.00 .040 .60 .024 20 300 4 560 12 200 2 740 11 000 16 000
7303PD 17 .6693 47 1.8504 28 1.1024 1.00 .040 .60 .024 27 600 6 200 17 000 3 820 9 500 14 000
7304PD 20 .7874 52 2.0472 30 1.1811 1.00 .040 .60 .024 30 200 6 790 19 000 4 270 9 000 13 000
7305PD 25 .9843 62 2.4409 34 1.3386 1.00 .040 .60 .024 39 000 8 770 27 000 6 070 7 500 10 000
7306PD 30 1.1811 72 2.8346 38 1.4961 1.00 .040 .60 .024 52 700 11 800 39 000 8 770 6 700 9 000
7307PD 35 1.3780 80 3.1496 42 1.6535 1.50 .060 1.00 .040 63 700 14 300 49 000 11 000 6 000 8 000
7308PD 40 1.5748 90 3.5433 46 1.8110 1.50 .060 1.00 .040 76 100 17 100 61 000 13 700 5 300 7 000
7309PD 45 1.7717 100 3.9370 50 1.9685 1.50 .060 1.00 .040 97 500 21 900 80 000 18 000 4 800 6 300
7310PD 50 1.9685 110 4.3307 54 2.1260 2.00 .080 1.00 .040 112 000 25 200 104 000 23 400 4 300 5 600
7311PD 55 2.1654 120 4.7244 58 2.2835 2.00 .080 1.00 .040 130 000 29 200 112 000 25 200 3 800 5 000
7312PD 60 2.3622 130 5.1181 62 2.4409 2.00 .080 1.00 .040 148 000 33 300 129 000 29 000 3 600 4 800
7313PD 65 2.5591 140 5.5118 66 2.5984 2.00 .080 1.00 .040 165 000 37 100 160 000 36 000 3 200 4 300
7314PD 70 2.7559 150 5.9055 70 2.7559 2.00 .080 1.00 .040 190 000 42 700 186 000 41 800 3 000 4 000
7315PD 75 2.9528 160 6.2992 74 2.9134 2.00 .080 1.00 .040 208 000 46 800 200 000 45 000 2 800 3 800
7316PD 80 3.1496 170 6.6929 78 3.0709 2.00 .080 1.00 .040 225 000 50 600 220 000 49 500 2 600 3 600
7317PD 85 3.3465 180 7.0866 82 3.2283 2.50 .100 1.00 .040 238 000 53 500 245 000 55 100 2 400 3 400
7318PD 90 3.5433 190 7.4803 86 3.3858 2.50 .100 1.00 .040 255 000 57 300 270 000 60 700 2 200 3 200
7319PD 95 3.7402 200 7.8740 90 3.5433 2.50 .100 1.00 .040 276 000 62 000 300 000 67 400 2 000 3 000
7320PD 100 3.9370 215 8.4646 94 3.7008 2.50 .100 1.00 .040 307 000 69 000 380 000 85 400 1 900 2 800
7321PD 105 4.1339 225 8.8583 98 3.8583 2.50 .100 1.00 .040 325 000 73 100 390 000 87 700 1 800 2 600
7322PD 110 4.3307 240 9.4488 100 3.9370 2.50 .100 1.00 .040 345 000 77 600 455 000 102 000 1 700 2 400
7324PD 120 4.7244 260 10.2362 110 4.3307 2.50 .100 1.00 .040 390 000 87 700 530 000 119 000 1 600 2 200
7326PD 130 5.1181 280 11.0236 116 4.5669 3.00 .120 1.00 .040 449 000 101 000 610 000 137 000 1 500 2 000
7328PD 140 5.5118 300 11.8110 124 4.8819 3.00 .120 1.00 .040 488 000 110 000 695 000 156 000 1 400 1 900
7330PD 150 5.9055 320 12.5984 130 5.1181 3.00 .120 1.00 .040 540 000 121 000 780 000 175 000 1 200 1 700
7332PD 160 6.2992 340 13.3858 136 5.3543 3.00 .120 1.00 .040 553 000 124 000 850 000 191 000 1 200 1 600
7334PD 170 6.6929 360 14.1732 144 5.6693 3.00 .120 1.00 .040 605 000 136 000 965 000 217 000 1 000 1 500
7336PD 180 7.0866 380 14.9606 150 5.9055 3.00 .120 1.00 .040 650 000 146 000 1 100 000 247 000 950 1 400
7338PD 190 7.4803 400 15.7480 156 6.1417 4.00 .160 1.50 .060 676 000 152 000 1 160 000 261 000 950 1 400
7340PD 200 7.8740 420 16.5354 160 6.2992 4.00 .160 1.50 .060 741 000 167 000 1 320 000 297 000 880 1 300
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) For thrust rating multiply C by 1.08 and C0 by 1.93.
3) Listed values are for machined bronze cage, ABEC-1.
For phenolic composition cage, multiply by 1.33 for both grease and oil. For phenolic composition cage, ABEC-5 or 7, multiply by 1.86 for both grease and oil. For pressed steel cage, ABEC-1,
multiply by 0.67 for grease and 0.80 for oil. The speed rating adjustment factors have been determined through historical application and practice. For a more complete explanation, see page 272.
4) Rating for one million revolutions or 500 hours at 331/3 rpm.
145
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Outside
Bore diameter Width Fillet radius1) Basic radial load rating2) Speed rating3)
Dynamic Static
MRC d D B ra rb C4) C0 Grease Oil
bearing
number mm in. mm in. mm in. mm in. mm in. N lbf N lbf rpm rpm
7405P 25 .9843 80 3.1496 21 .8268 1.5 .060 1.0 .040 39 700 8 920 23 600 5 310 7 000 10 000
7406P 30 1.1811 90 3.5433 23 .9055 1.5 .060 1.0 .040 47 500 10 700 29 000 6 520 6 300 9 000
7407P 35 1.3780 100 3.9370 25 .9843 1.5 .060 1.0 .040 60 500 13 600 38 000 8 540 5 600 7 500
7408P 40 1.5748 110 4.3307 27 1.0630 2.0 .080 1.0 .040 70 200 15 800 45 000 10 100 5 300 7 000
7409P 45 1.7717 120 4.7244 29 1.1417 2.0 .080 1.0 .040 85 200 19 200 55 000 12 400 4 800 6 300
7410P 50 1.9685 130 5.1181 31 1.2205 2.0 .080 1.0 .040 95 600 21 500 64 000 14 400 4 300 6 000
7411P 55 2.1654 140 5.5118 33 1.2992 2.0 .080 1.0 .040 111 000 25 000 76 500 17 200 4 000 5 600
7412P 60 2.3622 150 5.9055 35 1.3780 2.0 .080 1.0 .040 119 000 26 800 86 500 19 400 3 600 5 000
7413P 65 2.5591 160 6.2992 37 1.4567 2.0 .080 1.0 .040 130 000 29 200 96 500 21 700 3 400 4 800
7414P 70 2.7559 180 7.0866 42 1.6535 2.5 .100 1.0 .040 159 000 35 700 127 000 28 600 3 000 4 300
7415P 75 2.9528 190 7.4803 45 1.7717 2.5 .100 1.0 .040 168 000 37 800 140 000 31 500 2 800 4 000
7416P 80 3.1496 200 7.8740 48 1.8898 2.5 .100 1.0 .040 183 000 41 100 156 000 35 100 2 600 3 800
7417P 85 3.3465 210 8.2677 52 2.0472 3.0 .120 1.0 .040 190 000 42 700 166 000 37 300 2 500 3 600
7418P 90 3.5433 225 8.8583 54 2.1260 3.0 .120 1.0 .040 216 000 48 600 200 000 45 000 2 400 3 400
7419P 95 3.7402 250 9.8425 55 2.1654 3.0 .120 1.0 .040 251 000 56 400 245 000 55 100 2 200 3 000
7420P 100 3.9370 265 10.4331 60 2.3622 3.0 .120 1.0 .040 276 000 62 000 275 000 61 800 2 000 2 800
7421P 105 4.1339 290 11.4173 65 2.5591 3.0 .120 1.0 .040 265 000 59 600 280 000 62 900 1 900 2 600
7400PD
7405PD 25 .9843 80 3.1496 42 1.6535 1.5 .060 1.0 .040 65 000 14 500 47 500 10 600 5 600 8 000
7406PD 30 1.1811 90 3.5433 46 1.8110 1.5 .060 1.0 .040 78 000 17 400 58 500 13 000 5 000 7 200
7407PD 35 1.3780 100 3.9370 50 1.9685 1.5 .060 1.0 .040 97 500 22 100 76 500 17 100 4 500 6 000
7408PD 40 1.5748 110 4.3307 54 2.1260 2.0 .080 1.0 .040 114 000 25 700 90 000 20 200 4 300 5 600
7409PD 45 1.7717 120 4.7244 58 2.2835 2.0 .080 1.0 .040 138 000 31 200 110 000 24 800 3 800 5 000
7410PD 50 1.9685 130 5.1181 62 2.4409 2.0 .080 1.0 .040 156 000 34 900 129 000 28 800 3 400 4 800
7411PD 55 2.1654 140 5.5118 66 2.5984 2.0 .080 1.0 .040 182 000 40 600 153 000 34 400 3 200 4 500
7412PD 60 2.3622 150 5.9055 70 2.7559 2.0 .080 1.0 .040 195 000 43 600 173 000 38 800 2 800 4 000
7413PD 65 2.5591 160 6.2992 74 2.9134 2.0 .080 1.0 .040 212 000 47 400 193 000 43 400 2 700 3 800
7414PD 70 2.7559 180 7.0866 84 3.3071 2.5 .100 1.0 .040 260 000 58 000 255 000 57 200 2 400 3 400
7415PD 75 2.9528 190 7.4803 90 3.5433 2.5 .100 1.0 .040 276 000 61 400 280 000 63 000 2 200 3 200
7416PD 80 3.1496 200 7.8740 96 3.7795 2.5 .100 1.0 .040 296 000 66 500 310 000 69 700 2 000 3 000
7417PD 85 3.3465 210 8.2677 104 4.0945 3.0 .120 1.0 .040 307 000 69 400 335 000 74 600 2 000 2 800
7418PD 90 3.5433 225 8.8583 108 4.2520 3.0 .120 1.0 .040 351 000 78 900 400 000 89 900 1 900 2 700
7419PD 95 3.7402 250 9.8425 110 4.3307 3.0 .120 1.0 .040 410 000 92 200 490 000 110 000 1 800 2 400
7420PD 100 3.9370 265 10.4331 120 4.7244 3.0 .120 1.0 .040 449 000 101 000 550 000 124 000 1 600 2 200
7421PD 105 4.1339 290 11.4173 130 5.1181 3.0 .120 1.0 .040 436 000 96 900 560 000 126 000 1 500 2 000
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) For thrust rating multiply C by 1.75 and C0 by 3.85 (single) and C by 1.08 and C0 by 1.93 (duplex).
3) Listed values are for machined bronze cage, ABEC-1.
For phenolic composition cage, multiply by 1.33 for both grease and oil. For phenolic composition cage, ABEC-5 or 7, multiply by 1.86 for both grease and oil. For pressed steel cage, ABEC-1,
multiply by 0.67 for grease and 0.80 for oil. The speed rating adjustment factors have been determined through historical application and practice. For a more complete explanation, see page 272.
4) Rating for one million revolutions or 500 hours at 331/3 rpm.
146
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Dynamic and static equivalent Minimum thrust load for Minimum thrust load A factor
radial load and life rating angular contact ball bearings Size A Size A
7200P 0.23 7310P 36.26
Dynamic equivalent radial load Satisfactory operation of angular contact ball
bearings requires sufficient traction forces 7201P 0.29 7311P 57.36
P = FR when FA /F R ≤ 1.14
between the balls and races to minimize 7202P 0.42 7312P 77.30
or
damage caused by sliding or skidding. This is 7203P 0.74 7313P 111.40
P = 0.35 FR + 0.57 FA when FA /F R > 1.14 particularly important at high speeds where 7204P 1.32 7314P 144.60
P = Dynamic equivalent radial load the inertia forces of the balls and cage and the 7205P 1.90 7315P 182.70
FR = Radial load viscous drag in the lubricant can have a detri-
7206P 3.45 7316P 215.80
FA = Thrust load mental influence on the rolling conditions.
7207P 6.73 7317P 269.40
The minimum required thrust load can be
7208P 9.28 7318P 332.30
determined from the following formula.
Life rating 2 7209P 13.13 7319P 405.70
n
FA = A ( ) newtons 7210P 15.48 7320P 629.40
( CP )
3
1000
L10 = (millions of revolutions) 7211P 23.88 7321P 673.40
or 2
n
or
106 C 3 FA = 0.2248 A ( ) pounds 7212P 35.31 7322P 904.70
L10h =
60n P ( )
(hours)
1000
Where, FA = Minimum thrust load
7213P 44.55 7324P 1227.00
C = Basic dynamic radial load rating 7214P 53.74 7326P 1631.00
(from single bearing tables) A = Bearing design factor listed in 7215P 61.15 7328P 2128.00
the following tables
P = Dynamic equivalent radial load 7216P 84.07 7330P 2731.00
n = Speed in rpm 7217P 112.90 7332P 3198.00
n = Speed in rpm
Note: For duplex bearings mounted in tandem, multiply
the single-bearing thrust value by the number of bear- 7218P 148.50 7334P 3717.00
ings in tandem. 7219P 191.90 7336P 5006.00
Static equivalent radial load 7220P 224.10 7338P 5739.00
7221P 282.70 7340P 7048.00
P0 = 0.5 FR + 0.26 FA
7222P 352.10 7405P 10.80
P0 is always ≥ FR
7224P 450.50 7406P 16.17
P0 = Static equivalent radial load
7226P 604.70 7407P 27.54
FA= Radial load
7228P 761.60 7408P 38.49
FA = Thrust load
7230P 1074.00 7409P 58.46
7232P 1314.00 7410P 78.46
7234P 1777.00 7411P 111.70
7236P 1981.00 7412P 143.60
7238P 2499.00 7413P 181.90
7240P 3081.00 7414P 309.20
7300P 0.41 7415P 376.40
7301P 0.59 7416P 452.40
7302P 0.85 7417P 542.30
7303P 1.53 7418P 724.60
7304P 1.91 7419P 1083.00
7305P 3.85 7420P 1387.00
7306P 7.39 7421P 1546.00
7307P 11.66
7308P 17.31
7309P 29.08
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( CP ) = ( 13300
3
1750 )
Life (L10) = = 439 × 10 Rev. 6
or
10 C
6 3 3
10
60n ( P ) 60 × 2000 ( 1750 )
6
Life (L10 ) = = 13300
h
= 3658 Hrs
Case 2
Radial load (FR) = 1750
Thrust load (FA) = 2450
FA/FR = 2450/1750 = 1.40
Since FA/FR > 1.14, equivalent load (P) = 0.35 FR + 0.57 FA
P = 0.35 x 1750 +0.57 x 2450 = 2009
3
( CP ) = ( 13300
3
2009 )
Life (L10) = = 290 × 10 Rev. 6
or
10 C
6 3 3
10
60n ( P ) 60 × 2000 ( 2009 )
6
Life (L10 ) = = 13300
h
= 2418 Hrs
Case 3
Thrust load (FA) = 2450
FA/FR = 2450/0 = ∞
Since FA/FR > 1.14, equivalent load (P) = 0.35 FR + W0.57 FA
P = 0.57 x 2450 = 1397
3
( CP ) = ( 13300
3
1397 )
Life (L10) = = 863 × 10 Rev.6
or
3
10 C 3 10
60n ( P ) 60 × 2000 ( 1397 )
6
6
13300
Life (L10 ) =
h
=
= 7191 Hrs
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( CP ) = ( 28697
3
2394 )
FR = Radial load
Life (L10) = = 1722 × 10 Rev.
6
FA = Thrust load
or
10 C
6 3 3
10
60n ( P ) 60 × 2000 ( 2394 )
6
Life (L10 ) = = 28697
h
Life rating
= 14353 Hrs
C 3
L10 = ( )
P
(millions of revolutions)
or Case 2
106 C 3
L10h = 60n
P( ) (hours) Radial load (FR) = 3500
P = Dynamic equivalent radial load Thrust load (FA) = 4200
n = Speed in rpm FA/FR = 4200/3500 = 1.20
Since FA/FR > 1.14, equivalent load
For DB or DF mounting:
(P) = 0.35 FR + 0.57 FA
C = Duplex pair dynamic radial load rating
= 0.35 x 3500 +0.57 x 4200 = 3619
(from duplex bearing tables)
Load rating = (i)0.7 x 13300 = (3)0.7 x 13300 = 28697
or
C 3 28697 3
C = Single-row dynamic radial load rating
times (i)0.7, where i = 2
() ( )
Life (L10) = P =
3619
= 299 × 106 Rev.
or
28697 3
For DT tandem mounting: Life (L10h) = 10
C 3
() 106
( )
6
=
C = Single-row dynamic radial load rating times 60n P 60 × 2000 3619
(i)0.7, where i = number of bearings in set = 4155 Hrs
150
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Case 1 Case 3
Radial load (FR) = 1750 Thrust load (FA) = 2450
Thrust load (FA) = 1960 FA/FR = 2450/0 = ∞
FA/FR = 1960/1750 = 1.12 Since FA/FR > 1.14, equivalent load
Since FA/FR < 1.14, equivalent load (P) = 0.57 FR + 0.93 FA = 0.93 x 2450 = 2279
(P) = 1.0 FR + 0.55 FA C 3 21900 3
3
10 C
( CP ) = ( 21900
3 3
2828 )
10 6
21900
Life (L10) = = 464 × 10 Rev.
6
Life (L 10 ) =
h
=
or
10 C
6 3 10 3 = 7395 Hrs
60n ( P ) 60 × 2000 ( 2828 )
6
Life (L10 )= = 21900
h
= 3870 Hrs
Case 2 Case 4
Radial load (FR) = 1750 Radial load (FR) = 1750
Thrust load (FA) = 2450 FA/FR = 0/1750 = 0
FA/FR = 2450/1750 = 1.40 Since FA/FR < 1.14, equivalent load
Since FA/FR > 1.14, equivalent load (P) = 1.0 FR + 0.55 FA = 1.0 x 1750 = 1750
(P) = 0.57 FR + 0.93 FA C 3 3
( CP ) = ( 21900
3
3276 )
3
Life (L10 ) = 10 C =
6 3 10
60n ( P ) 60 × 2000 ( 1750 )
6
Life (L10) = = 299 × 10 Rev.
6 21900
h
or
10
6
C 3 10 6 3 = 16332 Hrs
60n ( P ) 60 × 2000 ( 3276 )
Life (L10 ) = = 21900
h
= 2490 Hrs
151
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152
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Series Page
7200PJ Light - single bearing 154
7200PJD Light - duplex set 154
7300PJ Medium - single bearing 155
7300PJD Medium - duplex set 155
7400PJ Heavy - single bearing 156
7400PJD Heavy - duplex set 156
7000PJ Equivalent load and life 158
7000PJ Minimum load calculation 158
7000PJ Life calculation examples 159
7000PJD Equivalent load and life 160
7000PJD Life calculation examples 160
153
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Outside
Bore diameter Width Fillet radius1) Basic radial load rating2) Speed rating3)
Dynamic Static
MRC d D B ra rb C4) C0 Grease Oil
bearing
number mm in. mm in. mm in. mm in. mm in. N lbf N lbf rpm rpm
7205PJ 25 .9843 52 2.0472 15 .5906 1.0 .04 .60 .024 15 600 3 510 10 200 2 290 10 000 15 000
7206PJ 30 1.1811 62 2.4409 16 .6299 1.0 .04 .60 .024 23 800 5 350 15 600 3 510 8 500 12 000
7207PJ 35 1.3780 72 2.8346 17 .6693 1.0 .04 .60 .024 30 700 6 900 20 800 4 680 8 000 11 000
7208PJ 40 1.5748 80 3.1496 18 .7087 1.0 .04 .60 .024 36 400 8 180 26 000 5 850 7 000 9 500
7209PJ 45 1.7717 85 3.3465 19 .7480 1.0 .04 .60 .024 37 700 8 480 28 000 6 300 6 700 9 000
7210PJ 50 1.9685 90 3.5433 20 .7874 1.0 .04 .60 .024 39 000 8 770 30 500 6 860 6 000 8 000
7211PJ 55 2.1654 100 3.9370 21 .8268 1.5 .06 1.00 .040 48 800 11 000 38 000 8 540 5 600 7 500
7212PJ 60 2.3622 110 4.3307 22 .8661 1.5 .06 1.00 .040 57 200 12 900 45 500 10 200 5 000 6 700
7213PJ 65 2.5591 120 4.7244 23 .9055 1.5 .06 1.00 .040 66 300 14 900 54 000 12 100 4 500 6 000
7214PJ 70 2.7559 125 4.9213 24 .9449 1.5 .06 1.00 .040 71 500 16 100 60 000 13 500 4 300 5 600
7215PJ 75 2.9528 130 5.1181 25 .9843 1.5 .06 1.00 .040 72 800 16 400 64 000 14 400 4 000 5 300
7216PJ 80 3.1496 140 5.5118 26 1.0236 2.0 .08 1.00 .040 83 200 18 700 73 500 16 500 3 800 5 000
7217PJ 85 3.3465 150 5.9055 28 1.1024 2.0 .08 1.00 .040 95 600 21 500 83 000 18 700 3 600 4 800
7218PJ 90 3.5433 160 6.2992 30 1.1811 2.0 .08 1.00 .040 108 000 24 300 96 500 21 700 3 400 4 500
7200PJD
7205PJD 25 .9843 52 2.0472 30 1.1811 1.0 .04 .60 .024 25 100 5 640 20 400 4 590 8 500 12 000
7206PJD 30 1.1811 62 2.4409 32 1.2598 1.0 .04 .60 .024 39 000 8 770 31 000 6 970 7 500 10 000
7207PJD 35 1.3780 72 2.8346 34 1.3386 1.0 .04 .60 .024 50 700 11 400 41 500 9 330 6 300 8 500
7208PJD 40 1.5748 80 3.1496 36 1.4173 1.0 .04 .60 .024 59 200 13 300 52 000 11 700 5 600 7 500
7209PJD 45 1.7717 85 3.3465 38 1.4961 1.0 .04 .60 .024 61 800 13 900 56 000 12 600 5 300 7 000
7210PJD 50 1.9685 90 3.5433 40 1.5748 1.0 .04 .60 .024 63 700 14 300 61 000 13 700 4 800 6 300
7211PJD 55 2.1654 100 3.9370 42 1.6535 1.5 .06 1.00 .040 78 000 17 500 76 500 17 200 4 500 6 000
7212PJD 60 2.3622 110 4.3307 44 1.7323 1.5 .06 1.00 .040 93 600 21 000 91 500 20 600 4 000 5 300
7213PJD 65 2.5591 120 4.7244 46 1.8110 1.5 .06 1.00 .040 108 000 24 300 108 000 24 300 3 600 4 800
7214PJD 70 2.7559 125 4.9213 48 1.8898 1.5 .06 1.00 .040 114 000 25 600 118 000 26 500 3 400 4 500
7215PJD 75 2.9528 130 5.1181 50 1.9685 1.5 .06 1.00 .040 119 000 26 800 127 000 28 600 3 200 4 300
7216PJD 80 3.1496 140 5.5118 52 2.0472 2.0 .08 1.00 .040 135 000 30 400 146 000 32 800 3 000 4 000
7217PJD 85 3.3465 150 5.9055 56 2.2047 2.0 .08 1.00 .040 156 000 35 100 166 000 37 300 2 800 3 800
7218PJD 90 3.5433 160 6.2992 60 2.3622 2.0 .08 1.00 .040 178 000 40 000 193 000 43 400 2 600 3 600
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) For thrust rating multiply C by 1.75 and C0 by 3.85 (single) and C by 1.08 and C0 by 1.93 (duplex).
3) Listed values are for pressed brass and steel or polyamide cage. The values have been determined through historical application and practice. For a more complete explanation, see page 272.
4) Rating for one million revolutions or 500 hours at 331/3 rpm.
154
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Outside
Bore diameter Width Fillet radius1) Basic radial load rating2) Speed rating3)
Dynamic Static
MRC d D B ra rb C4) C0 Grease Oil
bearing
number mm in. mm in. mm in. mm in. mm in. N lbf N lbf rpm rpm
7304PJ 20 .7874 52 2.0472 15 .5906 1.0 .04 .60 .024 19 000 4 270 10 400 2 340 11 000 16 000
7305PJ 25 .9843 62 2.4409 17 .6693 1.0 .04 .60 .024 26 000 5 850 15 600 3 510 9 000 13 000
7306PJ 30 1.1811 72 2.8346 19 .7480 1.0 .04 .60 .024 34 500 7 760 21 200 4 770 8 000 11 000
7307PJ 35 1.3780 80 3.1496 21 .8268 1.5 .06 1.00 .040 39 000 8 770 24 500 5 510 7 500 10 000
7308PJ 40 1.5748 90 3.5433 23 .9055 1.5 .06 1.00 .040 49 400 11 100 33 500 7 530 6 700 9 000
7309PJ 45 1.7717 100 3.9370 25 .9843 1.5 .06 1.00 040 60 500 13 600 41 500 9 330 6 000 8 000
7310PJ 50 1.9685 110 4.3307 27 1.0630 2.0 .08 1.00 .040 74 100 16 700 51 000 11 500 5 300 7 000
7311PJ 55 2.1654 120 4.7244 29 1.1417 2.0 .08 1.00 .040 85 200 19 200 60 000 13 500 4 800 6 300
7312PJ 60 2.3622 130 5.1181 31 1.2205 2.0 .08 1.00 .040 95 600 21 500 69 500 15 600 4 500 6 000
7313PJ 65 2.5591 140 5.5118 33 1.2992 2.0 .08 1.00 .040 108 000 24 300 80 000 18 000 4 300 5 600
7314PJ 70 2.7559 150 5.9055 35 1.3780 2.0 .08 1.00 .040 119 000 26 800 90 000 20 200 3 800 5 000
7315PJ 75 2.9528 160 6.2992 37 1.4567 2.0 .08 1.00 .040 133 000 29 900 106 000 23 800 3 600 4 800
7316PJ 80 3.1496 170 6.6929 39 1.5354 2.0 .08 1.00 .040 143 000 32 200 118 000 26 500 3 400 4 500
7317PJ 85 3.3465 180 7.0866 41 1.6142 2.5 .10 1.00 .040 153 000 34 400 132 000 29 700 3 200 4 300
7318PJ 90 3.5433 190 7.4803 43 1.6929 2.5 .10 1.00 .040 165 000 37 100 146 000 32 800 3 000 4 000
7319PJ 95 3.7402 200 7.8740 45 1.7717 2.5 .10 1.00 .040 178 000 40 000 163 000 36 600 2 800 3 800
7300PJD
7304PJD 20 .7874 52 2.0472 30 1.1811 1.0 .04 .60 .024 30 700 6 900 20 800 4 680 9 000 13 000
7305PJD 25 .9843 62 2.4409 34 1.3386 1.0 .04 .60 .024 42 300 9 510 31 000 6 970 7 500 10 000
7306PJD 30 1.1811 72 2.8346 38 1.4961 1.0 .04 .60 .024 55 900 12 600 42 500 9 550 6 700 9 000
7307PJD 35 1.3780 80 3.1496 42 1.6535 1.5 .06 1.00 .040 62 400 14 000 49 000 11 000 6 000 8 000
7308PJD 40 1.5748 90 3.5433 46 1.8110 1.5 .06 1.00 .040 79 300 17 800 65 500 14 700 5 300 7 000
7309PJD 45 1.7717 100 3.9370 50 1.9685 1.5 .06 1.00 .040 97 500 21 900 81 500 18 300 4 800 6 300
7310PJD 50 1.9685 110 4.3307 54 2.1260 2.0 .08 1.00 .040 119 000 26 800 102 000 22 900 4 300 5 600
7311PJD 55 2.1654 120 4.7244 58 2.2835 2.0 .08 1.00 .040 138 000 31 000 120 000 27 000 3 800 5 000
7312PJD 60 2.3622 130 5.1181 62 2.4409 2.0 .08 1.00 .040 156 000 35 100 140 000 31 500 3 600 4 800
7313PJD 65 2.5591 140 5.5118 66 2.5984 2.0 .08 1.00 .040 174 000 39 100 160 000 36 000 3 200 4 300
7314PJD 70 2.7559 150 5.9055 70 2.7559 2.0 .08 1.00 .040 195 000 43 800 180 000 40 500 3 000 4 000
7315PJD 75 2.9528 160 6.2992 74 2.9134 2.0 .08 1.00 .040 212 000 47 700 212 000 47 700 2 800 3 800
7316PJD 80 3.1496 170 6.6929 78 3.0709 2.0 .08 1.00 .040 229 000 51 500 236 000 53 100 2 600 3 600
7317PJD 85 3.3465 180 7.0866 82 3.2283 2.5 .10 1.00 .040 251 000 56 400 265 000 59 600 2 400 3 400
7318PJD 90 3.5433 190 7.4803 86 3.3858 2.5 .10 1.00 .040 270 000 60 700 290 000 65 200 2 200 3 200
7319PJD 95 3.7402 200 7.8740 90 3.5433 2.5 .10 1.00 .040 286 000 64 300 325 000 73 100 2 000 3 000
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) For thrust rating multiply C by 1.75 and C0 by 3.85 (single) and C by 1.08 and C0 by 1.93 (duplex).
3) Listed values are for pressed brass and steel or polyamide cage. The values have been determined through historical application and practice. For a more complete explanation, see page 272.
4) Rating for one million revolutions or 500 hours at 331/3 rpm.
155
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Dynamic Static
MRC d D B ra rb C4) C0 Grease Oil
bearing
number mm in. mm in. mm in. mm in. mm in. N lbf N lbf rpm rpm
7405PJ 25 .9843 80 3.1496 21 .8268 1.5 .060 1.0 .040 39 700 8 920 23 600 5 310 7 000 10 000
7406PJ 30 1.1811 90 3.5433 23 .9055 1.5 .060 1.0 .040 47 500 10 700 29 000 6 520 6 300 9 000
7407PJ 35 1.3780 100 3.9370 25 .9843 1.5 .060 1.0 .040 60 500 13 600 38 000 8 540 5 600 7 500
7408PJ 40 1.5748 110 4.3307 27 1.0630 2.0 .080 1.0 .040 70 200 15 800 45 500 10 200 5 300 7 000
7409PJ 45 1.7717 120 4.7244 29 1.1417 2.0 .080 1.0 .040 85 200 19 200 55 000 12 400 4 800 6 300
7410PJ 50 1.9685 130 5.1181 31 1.2205 2.0 .080 1.0 .040 95 600 21 500 64 000 14 400 4 300 6 000
7411PJ 55 2.1654 140 5.5118 33 1.2992 2.0 .080 1.0 .040 111 000 25 000 76 500 17 200 4 000 5 600
7412PJ 60 2.3622 150 5.9055 35 1.3780 2.0 .080 1.0 .040 119 000 26 800 86 500 19 400 3 600 5 000
7413PJ 65 2.5591 160 6.2992 37 1.4567 2.0 .080 1.0 .040 130 000 29 200 96 500 21 700 3 400 4 800
7414PJ 70 2.7559 180 7.0866 42 1.6535 2.5 .100 1.0 .040 159 000 35 700 127 000 28 600 3 000 4 300
7415PJ 75 2.9528 190 7.4803 45 1.7717 2.5 .100 1.0 .040 168 000 37 800 140 000 31 500 2 800 4 000
7416PJ 80 3.1496 200 7.8740 48 1.8898 2.5 .100 1.0 .040 178 000 40 000 153 000 34 400 2 600 3 800
7417PJ 85 3.3465 210 8.2677 52 2.0472 3.0 .120 1.0 .040 190 000 42 700 166 000 37 300 2 500 3 600
7418PJ 90 3.5433 225 8.8583 54 2.1260 3.0 .120 1.0 .040 216 000 48 600 200 000 45 000 2 400 3 400
7419PJ 95 3.7402 250 9.8425 55 2.1654 3.0 .120 1.0 .040 251 000 56 400 245 000 55 100 2 200 3 000
7420PJ 100 3.9370 265 10.4331 60 2.3622 3.0 .120 1.0 .040 276 000 62 000 275 000 61 800 2 000 2 800
7421PJ 105 4.1339 290 11.4173 65 2.5591 3.0 .120 1.0 .040 265 000 59 600 280 000 62 900 1 900 2 600
7400PJD
7405PJD 25 .9843 80 3.1496 42 1.6535 1.5 .060 1.0 .040 65 000 14 500 47 500 10 600 5 600 8 000
7406PJD 30 1.1811 90 3.5433 46 1.8110 1.5 .060 1.0 .040 78 000 17 400 58 500 13 000 5 000 7 200
7407PJD 35 1.3780 100 3.9370 50 1.9685 1.5 .060 1.0 .040 97 500 22 100 76 500 17 100 4 500 6 000
7408PJD 40 1.5748 110 4.3307 54 2.1260 2.0 .080 1.0 .040 114 000 25 700 91 000 20 400 4 300 5 600
7409PJD 45 1.7717 120 4.7244 58 2.2835 2.0 .080 1.0 .040 138 000 31 200 110 000 24 800 3 800 5 000
7410PJD 50 1.9685 130 5.1181 62 2.4409 2.0 .080 1.0 .040 156 000 34 900 129 000 28 800 3 400 4 800
7411PJD 55 2.1654 140 5.5118 66 2.5984 2.0 .080 1.0 .040 182 000 40 600 153 000 34 400 3 200 4 500
7412PJD 60 2.3622 150 5.9055 70 2.7559 2.0 .080 1.0 .040 195 000 43 600 173 000 38 800 2 800 4 000
7413PJD 65 2.5591 160 6.2992 74 2.9134 2.0 .080 1.0 .040 212 000 47 400 193 000 43 400 2 700 3 800
7414PJD 70 2.7559 180 7.0866 84 3.3071 2.5 .100 1.0 .040 260 000 58 000 255 000 57 200 2 400 3 400
7415PJD 75 2.9528 190 7.4803 90 3.5433 2.5 .100 1.0 .040 276 000 61 400 280 000 63 000 2 200 3 200
7416PJD 80 3.1496 200 7.8740 96 3.7795 2.5 .100 1.0 .040 288 000 64 800 306 000 68 800 2 000 3 000
7417PJD 85 3.3465 210 8.2677 104 4.0945 3.0 .120 1.0 .040 307 000 69 400 335 000 74 600 2 000 2 800
7418PJD 90 3.5433 225 8.8583 108 4.2520 3.0 .120 1.0 .040 351 000 78 900 400 000 89 900 1 900 2 700
7419PJD 95 3.7402 250 9.8425 110 4.3307 3.0 .120 1.0 .040 410 000 92 200 490 000 110 000 1 800 2 400
7420PJD 100 3.9370 265 10.4331 120 4.7244 3.0 .120 1.0 .040 449 000 101 000 550 000 124 000 1 600 2 200
7421PJD 105 4.1339 290 11.4173 130 5.1181 3.0 .120 1.0 .040 436 000 96 900 560 000 126 000 1 500 2 000
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) For thrust rating multiply C by 1.75 and C0 by 3.85 (single) and C by 1.08 and C0 by 1.93 (duplex).
3) Listed values are for machined bronze cage, ABEC-1. The values have been determined through historical application and practice. For a more complete explanation, see page 272.
4) Rating for one million revolutions or 500 hours at 331/3 rpm.
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) pounds
or 1000
10 C 6 3
60n ( P )
L10 =h
(hours) where, FA = Minimum thrust load
A = Bearing design factor listed in
C = Basic dynamic radial load rating
the following tables
(from single bearing tables)
n = Speed in rpm
P = Dynamic equivalent radial load
Note: For duplex bearings mounted in tandem, multiply
n = Speed in rpm the single-bearing thrust value by the number of bear-
ings in tandem.
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Case 1
Radial load (FR) = 1750
Thrust load (FA) = 1960
FA/FR = 1960/1750 = 1.12
Since FA/FR < 1.14, equivalent load (P) = FR = 1750
3
( CP ) = ( 13600
3
1750 )
Life (L10) = = 469 × 10 Rev.
6
or
3
10 C 3 10
60n ( P ) 60 × 2000 ( 1750 )
6
6
13600
Life (L10 ) =
h
=
= 3911 Hrs
Case 2
Radial load (FR) = 1750
Thrust load (FA) = 2450
FA/FR = 2450/1750 = 1.40
Since FA/FR > 1.14, equivalent load (P) = 0.35 FR + 0.57 FA
P = 0.35 x 1750 +0.57 x 2450 = 2009
3
( CP ) = ( 13600
3
2009 )
Life (L10) = = 310 × 10 Rev.
6
or
106 3
C 3 10
60n ( P ) 60 × 2000 ( 2009 )
6
Life (L10 ) = = 13600
h
= 2585 Hrs
Case 3
Thrust load (FA) = 2450
FA/FR = 2450/0 = ∞
Since FA/FR > 1.14, equivalent load (P) = 0.35 FR + 0.57 FA
P = 0.57 x 2450 = 1397
3
( CP ) = ( 13600
3
1397 )
Life (L10) = = 923 × 10 Rev.
6
or
10 6 3
C 3 10
60n ( P ) 60 × 2000 ( 1397 )
6
13600
Life (L 10 ) =
h
=
= 7689 Hrs
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( CP ) = ( 29344
3
2394 )
FA = Thrust load Life (L10) = = 1842 × 10 Rev.
6
or
3
29344
C
( 2394 )
3 10
( )
6
Life (L10 ) = 10
6
h
=
Life rating 60n P 60 × 2000
= 15346 Hrs
( CP ) (millions of revolutions)
3
L10 =
or
10 C 6 3
60n ( P )
L10 =h
(hours)
Case 2
P = Dynamic equivalent radial load
Radial load (FR) = 3500
n = Speed in rpm
Thrust load (FA) = 4200
For DB or DF mounting: FA/FR = 4200/3500 = 1.20
C = Duplex pair dynamic radial load rating Since FA/FR > 1.14, equivalent load
(from duplex bearing tables) (P) = 0.35 FR + 0.57 FA
or = 0.35 x 3500 +0.57 x 4200 = 3619
C = Single-row dynamic radial load rating Load rating = (i)0.7 x 13600 = (3)0.7 x 13600 = 29344
3
times (i)0.7, where i = 2
( CP ) = ( 29344
3619 )
3
Life (L10) = = 533 × 10 Rev.
6
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Case 1 Case 4
Radial load (FR) = 1750 Radial load (FR) = 1750
Thrust load (FA) = 1960 FA/FR = 0/1750 = 0
FA/FR = 1960/1750 = 1.12 Since FA/FR < 1.14, equivalent load
Since FA/FR < 1.14, equivalent load (P) = 1.0 FR + 0.55 FA = 1.0 x 1750 = 1750
(P) = 1.0 FR + 0.55 FA C 3 3
( CP ) = ( 21900
3
2828 )
3
C =
3 10
60n ( P ) 60 × 2000 ( 1750 )
6
Life (L10) = = 464 × 10 Rev.
6
Life (L10 ) = 10
6
21900
h
or
10 C 3 10 3 = 16332 Hrs
60n ( P ) 60 × 2000 ( 2828 )
6
6
21900
Life (L10 ) =
h
=
= 3870 Hrs
Case 2
Radial load (FR) = 1750
Thrust load (FA) = 2450
FA/FR = 2450/1750 = 1.40
Since FA/FR > 1.14, equivalent load
(P) = 0.57 FR + 0.93 FA
= 0.57 x 1750 +0.93 x 2450 = 3276
3
( CP ) = ( 21900
3
3276 )
Life (L10) = = 299 × 10 Rev.
6
or
3
C 3
Life (L10 ) = 10 ( ) = 21900
60 × 2000 ( 3276 )
6
10 6
h
60n P
= 2490 Hrs
Case 3
Thrust load (FA) = 2450
FA/FR = 2450/0 = ∞
Since FA/FR > 1.14, equivalent load
(P) = 0.57 FR + 0.93 FA = 0.93 x 2450 = 2279
3
C 3 21900
Life (L10) = ( ) ( ) = 887 × 10 Rev.
P
=
2279
6
or
3
10 C 3 10
( )
6
21900
2000 ( 2279 )
6
Life (L 10 ) = =
h
60n P 60 ×
= 7395 Hrs
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162
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Series Page
8000 PumPac 165
8000BB PumPac Diamond 166
8000AAB PumPac triplex set 167
Shaft and housing fits 168
Mounting instructions 169
Equivalent load and life 170
Minimum thrust load requirements 170
Life calculation examples 171
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The PumPac 8000 series is used in centrifugal The main benefit of the PumPac system is ring surface forms a diamond. This series is
pumps, large vertical electric motors, com- that the 15° (B) bearing is designed with con- desirable in high speed, lightly loaded applica-
pressors, centrifuges, and other applications siderably less internal clearance than the 40° tions in which axial loads are balanced, result-
subject to thrust loads operating at relatively (A) bearing, making it less susceptible to the ing in reduced operating temperatures and
high speeds. The bearings are mounted so gyroscopic forces which result in ball sliding or increased life.
that the 40° (A) bearing takes the primary shuttling. The 15° bearing also provides ad- For applications involving very heavy
thrust load. ditional radial stiffness helping to maintain the primary thrust loads, the PumPac may be
Traditionally, matched sets of 40° angular integrity of the shaft and mechanical seals. furnished as a triplex set identified as the
contact ball bearings are used to obtain The 40° (loaded) bearing provides sufficient 8000AAB series. It consists of two 40° (A)
maximum theoretical fatigue life, but in most axial rigidity under the imposed thrust load. bearings in tandem matched back-to-back
instances only a fraction of the calculated life The 0 is furnished with a one piece, inner ring (DB) with one 15° (B) bearing. The outer ring
is actually achieved. At the heart of these land-guided, machined brass cage and is surface of the set is marked with a “V” point-
premature failures are phenomena known as manufactured to meet ABEC-3 grade toler- ing in the direction of primary thrust.
“ball sliding” and “ball shuttling” in the un- ances. Dimensional stability is assured by heat For applications having a rotating shaft
loaded (or inactive) bearing. Angular contact treating the bearing’s rings and rolling ele- and stationary housing, an ISO k5 shaft fit
bearings used in high speed (e.g. 3600 rpm) ments for operation up to 375° F (190° C). and an ISO H6 housing fit are recommended
pumps and other applications require a mini- For identification purposes, the 40° bearing as shown in the table on page 168.
mum axial load for proper operation. Without is marked with the letter “A,” and the 15° Note: The basic radial load rating, C, is calculated
axial load, gyroscopic forces in the unloaded bearing with the letter “B”. A “V” is etched on according to the actual bearing geometry and not
according to ISO/ABMA Standards.
bearing can cause the balls to rotate perpen- the outer ring surface of the pair so that the
dicular to their true rolling axis and momen- apex falls on the “B” bearing. The pair should
tarily lose contact with the raceway. As a always be mounted so that the “V” points in
result, a microscopic wear (or lapping) process the same direction as the primary thrust load,
occurs giving the appearance of a burnished which places this load on bearing “A”. Any
or polished raceway. The oil film thickness reversing load is carried on bearing “B”.
separating the ball and raceway is reduced, The PumPac is also available in the
producing friction and heat which lowers oil 8000BB PumPac Diamond series, which
viscosity and accelerates wear. This thermally consists of a matched set of 15° (B) bearings
unstable condition dramatically reduces bear- in a back-to-back arrangement. When
ing service life. mounted correctly, the marking on the outer
164
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d D
ra
A B
rb
ABEC-3 tolerances
8218 90 3.5433 160 6.2992 60 2.3622 2.0 .08 1.0 .04 133 000 29 900 143 000 32 100 124 000 27 900 108 000 24 300 3 400 4 500
8219 95 3.7402 170 6.6929 64 2.5197 2.0 .08 1.0 .04 151 000 33 900 163 000 36 600 133 000 29 900 118 000 26 500 3 200 4 300
8220 100 3.9370 180 7.0866 68 2.6772 2.0 .08 1.0 .04 159 000 35 700 173 000 38 900 146 000 32 800 134 000 30 100 3 000 4 000
8222 110 4.3307 200 7.8740 76 2.9921 2.0 .08 1.0 .04 190 000 42 700 220 000 49 500 182 000 40 900 170 000 38 200 2 600 3 600
8224 120 4.7244 215 8.4646 80 3.1496 2.0 .08 1.0 .04 238 000 53 500 245 000 55 100 199 000 44 700 193 000 43 400 2 200 3 200
8238 190 7.4803 340 13.3858 110 4.3307 3.0 .12 1.0 .04 351 000 78 900 570 000 128 000 377 000 84 800 500 000 112 000 1 400 1 900
8308 40 1.5748 90 3.5433 46 1.8110 1.5 .06 1.0 .04 60 500 13 600 45 500 10 200 48 800 11 000 33 500 7 530 6 700 9 000
8309 45 1.7717 100 3.9370 50 1.9685 1.5 .06 1.0 .04 76 100 17 100 61 000 13 700 58 500 13 200 40 500 9 100 6 000 8 000
8310 50 1.9685 110 4.3307 54 2.1260 2.0 .08 1.0 .04 87 100 19 600 72 000 16 200 76 100 17 100 52 000 11 700 5 300 7 000
8311 55 2.1654 120 4.7244 58 2.2835 2.0 .08 1.0 .04 101 000 22 700 85 000 19 100 88 400 19 900 61 000 13 700 4 800 6 300
8312 60 2.3622 130 5.1181 62 2.4409 2.0 .08 1.0 .04 114 000 25 600 96 500 21 700 101 000 22 700 71 000 16 000 4 500 6 000
8313 65 2.5591 140 5.5118 66 2.5984 2.0 .08 1.0 .04 127 000 28 500 112 000 25 200 108 000 24 300 80 000 18 000 4 300 5 600
8314 70 2.7559 150 5.9055 70 2.7559 2.0 .08 1.0 .04 148 000 33 300 134 000 31 500 121 000 27 200 93 000 20 900 3 800 5 000
8315 75 2.9528 160 6.2992 74 2.9134 2.0 .08 1.0 .04 159 000 35 700 150 000 33 700 146 000 32 800 114 000 25 600 3 600 4 800
8316 80 3.1496 170 6.6929 78 3.0709 2.0 .08 1.0 .04 172 000 38 700 166 000 37 300 159 000 35 700 129 000 29 200 3 400 4 500
8317 85 3.3465 180 7.0866 82 3.2283 2.5 .10 1.0 .04 186 000 41 800 186 000 41 800 174 000 39 100 146 000 32 800 3 200 4 300
8318 90 3.5433 190 7.4803 86 3.3858 2.5 .10 1.0 .04 199 000 44 700 204 000 45 900 186 000 41 800 160 000 36 000 3 000 4 000
8319 95 3.7402 200 7.8740 90 3.5433 2.5 .10 1.0 .04 212 000 47 600 228 000 51 300 199 000 44 700 180 000 40 500 2 800 3 800
8320 100 3.9370 215 8.4646 94 3.7008 2.5 .10 1.0 .04 238 000 53 500 270 000 60 700 212 000 47 700 200 000 45 000 2 600 3 600
8322 110 4.3307 240 9.4488 100 3.9370 2.5 .10 1.0 .04 265 000 59 600 320 000 71 900 255 000 57 300 255 000 57 300 2 200 3 200
8326 130 5.1181 280 11.0236 116 4.5669 3.0 .12 1.0 .04 345 000 77 500 455 000 102 000 296 000 66 500 345 000 77 600 1 800 2 600
8330 150 5.9055 320 12.5984 130 5.1181 3.0 .12 1.0 .04 410 000 92 100 585 000 132 000 390 000 87 700 475 000 107 000 1 600 2 200
8336 180 7.0866 380 14.9606 150 5.9055 3.0 .12 1.0 .04 507 000 114 000 815 000 183 000 475 000 107 000 640 000 144 000 1 300 1 600
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) For thrust rating of bearing (A), multiply C by 1.75 and C0 by 3.85. For thrust rating of bearing (B), multiply C by 0.83 and C0 by 2.00.
3) Values have been determined through historical application and practice. For a more complete explanation, see page 272.
4) Rating for one million revolutions or 500 hours at 331/3 rpm.
165
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d D
ra
B B
rb
ABEC-3 tolerances
Outside
Bore diameter Width Fillet radius1) Basic radial load rating2) Speed rating3)
Dynamic Static
MRC d D B ra rb C4) C0 Grease Oil
bearing
number mm in. mm in. mm in. mm in. mm in. N lbf N lbf rpm rpm
8218BB 90 3.5433 160 6.2992 60 2.3622 2.0 .08 1.0 .04 203 000 45 600 216 000 48 600 3 800 5 400
8219BB 95 3.7402 170 6.6929 64 2.5197 2.0 .08 1.0 .04 216 000 48 600 236 000 53 100 3 600 5 100
8220BB 100 3.9370 180 7.0866 68 2.6772 2.0 .08 1.0 .04 238 000 53 500 270 000 60 700 3 400 4 800
8222BB 110 4.3307 200 7.8740 76 2.9921 2.0 .08 1.0 .04 296 000 66 500 340 000 76 400 3 000 4 400
8224BB 120 4.7244 215 8.4646 80 3.1496 2.0 .08 1.0 .04 319 000 71 800 390 000 87 700 2 800 4 100
8238BB 190 7.4803 340 13.3858 110 4.3307 3.0 .12 1.0 .04 605 000 136 000 1 000 000 225 000 1 800 2 600
8308BB 40 1.5748 90 3.5433 46 1.8110 1.5 .06 1.0 .04 79 300 17 800 67 000 15 100 7 500 11 000
8309BB 45 1.7717 100 3.9370 50 1.9685 1.5 .06 1.0 .04 95 600 21 500 81 500 18 300 6 800 9 600
8310BB 50 1.9685 110 4.3307 54 2.1260 2.0 .08 1.0 .04 124 000 27 900 104 000 23 400 6 300 9 000
8311BB 55 2.1654 120 4.7244 58 2.2835 2.0 .08 1.0 .04 143 000 32 100 122 000 27 400 5 600 8 100
8312BB 60 2.3622 130 5.1181 62 2.4409 2.0 .08 1.0 .04 165 000 37 100 143 000 32 100 5 000 7 200
8313BB 65 2.5591 140 5.5118 66 2.5984 2.0 .08 1.0 .04 174 000 39 100 160 000 36 000 4 800 6 800
8314BB 70 2.7559 150 5.9055 70 2.7559 2.0 .08 1.0 .04 199 000 44 700 190 000 42 700 4 500 6 300
8315BB 75 2.9528 160 6.2992 74 2.9134 2.0 .08 1.0 .04 238 000 53 500 228 000 51 300 4 300 6 000
8316BB 80 3.1496 170 6.6929 78 3.0709 2.0 .08 1.0 .04 255 000 57 300 260 000 58 500 3 800 5 400
8317BB 85 3.3465 180 7.0866 82 3.2283 2.5 .10 1.0 .04 281 000 63 200 292 000 65 600 3 600 5 100
8318BB 90 3.5433 190 7.4803 86 3.3858 2.5 .10 1.0 .04 302 000 67 900 325 000 73 100 3 400 4 800
8319BB 95 3.7402 200 7.8740 90 3.5433 2.5 .10 1.0 .04 325 000 73 100 360 000 80 900 3 300 4 500
8320BB 100 3.9370 215 8.4646 94 3.7008 2.5 .10 1.0 .04 345 000 77 600 400 000 89 900 3 000 4 400
8322BB 110 4.3307 240 9.4488 100 3.9370 2.5 .10 1.0 .04 416 000 93 500 510 000 115 000 2 600 3 900
8326BB 130 5.1181 280 11.0236 116 4.5669 3.0 .12 1.0 .04 475 000 107 000 695 000 156 000 2 300 3 300
8330BB 150 5.9055 320 12.5984 130 5.1181 3.0 .12 1.0 .04 624 000 140 000 950 000 214 000 2 000 2 900
8336BB 180 7.0866 380 14.9606 150 5.9055 3.0 .12 1.0 .04 780 000 175 000 1 270 000 286 000 1 600 2 400
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) For thrust rating multiply C by 0.51 and C0 by 1.00.
3) Values have been determined through historical application and practice. For a more complete explanation, see page 272.
4) Rating for one million revolutions or 500 hours at 331/3 rpm.
166
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d D
ra
A A B
rb
ABEC-3 tolerances
8218AAB 90 3.5433 160 6.2992 90 3.5433 2.0 .08 1.0 .04 216 000 48 500 285 000 64 100 124 000 27 900 108 000 24 300 3 400 4 500
8219AAB 95 3.7402 170 6.6929 96 3.7795 2.0 .08 1.0 .04 247 000 55 500 325 000 73 100 133 000 29 900 118 000 26 500 3 200 4 300
8220AAB 100 3.9370 180 7.0866 102 4.0157 2.0 .08 1.0 .04 260 000 58 400 345 000 78 700 146 000 32 800 134 000 30 100 3 000 4 000
8222AAB 110 4.3307 200 7.8740 114 4.4882 2.0 .08 1.0 .04 307 000 69 000 440 000 98 900 182 000 40 900 170 000 38 200 2 600 3 600
8224AAB 120 4.7244 215 8.4646 120 4.7244 2.0 .08 1.0 .04 390 000 87 600 490 000 110 000 199 000 44 700 193 000 43 400 2 200 3 200
8238AAB 190 7.4803 340 13.3858 165 6.4961 3.0 .12 1.0 .04 572 000 129 000 1140 000 256 000 377 000 84 800 500 000 112 000 1 400 1 900
8308AAB 40 1.5748 90 3.5433 69 2.7165 1.5 .06 1.0 .04 97 500 21 900 91 500 20 600 48 800 11 000 33 500 7 530 6 700 9 000
8309AAB 45 1.7717 100 3.9370 75 2.9528 1.5 .06 1.0 .04 124 000 27 900 122 000 27 400 58 500 13 200 40 500 9 100 6 000 8 000
8310AAB 50 1.9685 110 4.3307 81 3.1890 2.0 .08 1.0 .04 143 000 32 100 143 000 32 100 76 100 17 100 52 000 11 700 5 300 7 000
8311AAB 55 2.1654 120 4.7244 87 3.4252 2.0 .08 1.0 .04 165 000 37 100 170 000 38 200 88 400 19 900 61 000 13 700 4 800 6 300
8312AAB 60 2.3622 130 5.1181 93 3.6614 2.0 .08 1.0 .04 186 000 41 800 193 000 43 400 101 000 22 700 71 000 16 000 4 500 6 000
8313AAB 65 2.5591 140 5.5118 99 3.8976 2.0 .08 1.0 .04 208 000 46 700 224 000 50 400 108 000 24 300 80 000 18 000 4 300 5 600
8314AAB 70 2.7559 150 5.9055 105 4.1339 2.0 .08 1.0 .04 242 000 54 400 270 000 60 700 121 000 27 200 93 000 20 900 3 800 5 000
8315AAB 75 2.9528 160 6.2992 111 4.3701 2.0 .08 1.0 .04 260 000 58 400 300 000 67 400 146 000 32 800 114 000 25 600 3 600 4 800
8316AAB 80 3.1496 170 6.6929 117 4.6063 2.0 .08 1.0 .04 281 000 63 100 335 000 75 300 159 000 35 700 129 000 29 200 3 400 4 500
8317AAB 85 3.3465 180 7.0866 123 4.8425 2.5 .10 1.0 .04 302 000 67 900 375 000 84 300 174 000 39 100 146 000 32 800 3 200 4 300
8318AAB 90 3.5433 190 7.4803 129 5.0787 2.5 .10 1.0 .04 325 000 73 000 405 000 91 000 186 000 41 800 160 000 36 000 3 000 4 000
8319AAB 95 3.7402 200 7.8740 135 5.3150 2.5 .10 1.0 .04 345 000 77 500 455 000 102 000 199 000 44 700 180 000 40 500 2 800 3 800
8320AAB 100 3.9370 215 8.4646 141 5.5512 2.5 .10 1.0 .04 390 000 87 600 540 000 121 000 212 000 47 700 200 000 45 000 2 600 3 600
8322AAB 110 4.3307 240 9.4488 150 5.9055 2.5 .10 1.0 .04 436 000 98 000 640 000 144 000 255 000 57 300 255 000 57 300 2 200 3 200
8326AAB 130 5.1181 280 11.0236 174 6.8504 3.0 .12 1.0 .04 559 000 126 000 915 000 206 000 296 000 66 500 345 000 77 600 1 800 2 600
8330AAB 150 5.9055 320 12.5984 195 7.6772 3.0 .12 1.0 .04 663 000 149 000 1180 000 265 000 390 000 87 700 475 000 107 000 1 600 2 200
8336AAB 180 7.0866 380 14.9606 225 8.8583 3.0 .12 1.0 .04 824 000 185 000 1630 000 366 000 475 000 107 000 640 000 144 000 1 300 1 600
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) For thrust rating of (AA) multiply C by 1.75 and C0 by 3.85. For thrust rating of (B) multiply C by 0.83 and C0 by 2.00.
3) Values have been determined through historical application and practice. For a more complete explanation, see page 272.
4) Rating for one million revolutions or 500 hours at 331/3 rpm.
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8218 90.018 3.5440 90.003 3.5434 3T-33T 1T-13T 160.025 6.3002 160.000 6.2992 0-43L 0-17L
8219 95.018 3.7409 95.003 3.7403 3T-33T 1T-13T 170.025 6.6939 170.000 6.6929 0-43L 0-17L
8220 100.018 3.9377 100.003 3.9371 3T-33T 1T-13T 180.025 7.0876 180.000 7.0866 0-43L 0-17L
8222 110.018 4.3314 110.003 4,3308 3T-33T 1T-13T 200.029 7.8751 200.000 7.8740 0-49L 0-19L
8224 120.018 4.7251 120.003 4.7245 3T-33T 1T-13T 215.029 8.4657 215.000 8.4646 0-49L 0-19L
8238 190.024 7.4812 190.004 7.4805 4T-46T 2T-18T 340.036 13.3872 340.000 13.3858 0-64L 0-25L
8308 40.013 1.5753 40.002 1.5749 2T-23T 1T-9T 90.022 3.5442 90.000 3.5433 0-35L 0-14L
8309 45.013 1.7722 45.002 1.7718 2T-23T 1T-9T 100.022 3.9379 100.000 3.9370 0-35L 0-14L
8310 50.013 1.9690 50.002 1.9686 2T-23T 1T-9T 110.022 4.3316 110.000 4.3307 0-35L 0-14L
8311 55.015 2.1660 55.002 2.1655 2T-27T 1T-11T 120.022 4.7253 120.000 4.7244 0-35L 0-14L
8312 60.015 2.3628 60.002 2.3623 2T-27T 1T-11T 130.025 5.1191 130.000 5.1181 0-40L 0-16L
8313 65.015 2.5597 65.002 2.5592 2T-27T 1T-11T 140.025 5.5128 140.000 5.5118 0-40L 0-16L
8314 70.015 2.7565 70.002 2.7560 2T-27T 1T-11T 150.025 5.9065 150.000 5.9055 0-40L 0-16L
8315 75.015 2.9534 75.002 2.9529 2T-27T 1T-11T 160.025 6.3002 160.000 6.2992 0-43L 0-17L
8316 80.015 3.1502 80.002 3.1497 2T-27T 1T-11T 170.025 6.6939 170.000 6.6929 0-43L 0-17L
8317 85.018 3.3472 85.003 3.3466 3T-33T 1T-13T 180.025 7.0876 180.000 7.0866 0-43L 0-17L
8318 90.018 3.5440 90.003 3.5434 3T-33T 1T-13T 190.029 7.4814 190.000 7.4803 0-49L 0-19L
8319 95.018 3.7409 95.003 3.7403 3T-33T 1T-13T 200.029 7.8751 200.000 7.8740 0-49L 0-19L
8320 100.018 3.9377 100.003 3.9371 3T-33T 1T-13T 215.029 8.4657 215.000 8.4646 0-49L 0-19L
8322 110.018 4.3314 110.003 4.3308 3T-33T 1T-13T 240.029 9.4499 240.000 9.4488 0-49L 0-19L
8326 130.021 5.1189 130.003 5.1182 3T-39T 1T-15T 280.032 11.0249 280.000 11.0236 0-57L 0-23L
8330 150.021 5.9063 150.003 5.9056 3T-39T 1T-15T 320.036 12.5998 320.000 12.5984 0-64L 0-25L
8336 180.021 7.0874 180.003 7.0867 3T-39T 1T-15T 380.036 14.9620 380.000 14.9606 0-64L 0-25L
1) Cast iron or steel housings. For aluminum or other soft metal housings make housing bore limits same as bearing O.D. limits.
2) “T” indicates tight, “L” indicates loose.
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A B A A B
rb rb
8000 8000AAB
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PumPac dynamic and static equivalent radial load and life rating
The following method considers only thrust load in either direction with negligible radial load.
For combined radial and thrust loads consult MRC Technical Services for analysis.
8224B 13100 20.30 8314B 6800 10.50 8326B 25700 39.8 where, FA = Minimum thrust load
8238B 31200 48.40 8315B 8390 13.00 8330B 31500 48.8 A = Bearing design factor listed in the
8308B 2450 3.80 8316B 9470 14.70 8336B 45700 70.9 following tables
8309B 3020 4.69 8317B 10600 16.50
n = Speed in rpm
Values of Y for loads not shown are obtained from chart at below.
Note: For duplex bearings mounted in tandem, multiply
the single-bearing thrust value by the number of bear-
Static equivalent radial load ings in tandem.
Bearing A (40°)
P0 = 0.26 FA Minimum thrust load A factor
Bearing B (15°)
Size A Size A
P0 = 0.5 FA 8218 148.50 8313 114.40
P0 = Static equivalent radial load 8219 191.90 8314 144.60
FA = Thrust load 8220 224.10 8315 182.70
8222 352.10 8316 215.80
1000 6.89 8224 450.50 8317 269.40
8238 2499.00 8318 332.30
900 6.20 8308 17.31 8319 405.70
8309 29.08 8320 629.40
800 5.51 8310 36.26 8322 904.70
8311 57.36 8330 2731.00
700 4.82 8312 77.30 8336 5006.00
600 4.13
Life rating
3.45
500
( CP )
3
FA FA L10 = (millions of revolutions)
ZD2 ZD2
2.76 or
(lb, in.) 400 (N, mm) 106 C 3
300
Y
2.07
L10h =
60n P ( )
(hours)
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( CP )=( 54400
3 3
C
2850 )
3
Life (L10) =
or
( P ) ( 1710 )
= 19600 = 1506 × 10 Rev. 6
P = 1.23 × 2500 = 3075
Life (L10) =
or
= 6954 × 10 Rev. 6
3 10 C
6
( CP )=( 38904
10 C 3 10
60n ( P ) 60 × 3500 ( 2850 )
6 3 3 6
10
60n ( P ) 60 × 3500 ( 1710 ) 3075 )
6 3 3
Life (L10 ) = = 19600 Life (L10) = = 2025 × 10 Rev.
6
Life (L10 ) = = 54400
h h
or
= 7171 Hrs 10 6
C 3 10 3 = 33116 Hrs
60n ( P ) 60 × 3000 ( 3075 )
6
Life (L10 ) = = 38904
h
= 11251 Hrs
10 6
10 C
6 3 10 C
6 3
17100 3
171
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Demand for a two-directional maximum 9000H has a two-piece outer ring and a one-
B B thrust capacity bearing requiring minimum piece inner ring. Recommended only where
ra ra
space has resulted in extensive use of the the outer ring can be positively clamped.
ra ra MRC 9000 series bearings. When duplexed, bearing can be used with a
29° 9000U is the standard construction. It corresponding duplex-ground 7000 series
40°
is an angular contact ball bearing with one- bearing.
piece outer ring and two-piece inner ring 9000UH has two-piece construction of
D d D d
construction. It has maximum ball comple- both inner and outer rings. The use of this
ment and a one-piece machined ball cage. bearing is confined to those applications where
The cage construction completely retains endplay must be held to an absolute
the balls for unit handling during installation. minimum.
The bearings of this series have similar 9000S has one-piece construction of both
9000U 9000UP
internal characteristics and identical external inner and outer ring. Assembly of the ball
dimensions to bearings in the MRC 7000 complement is accomplished by eccentric
series, which are angular contact, one- displacement of the outer ring. The use of this
directional thrust bearings. type is recommended where endplay and tilt
9000UP is similar to the 9000U, except must be held to a minimum, but where maxi-
that its internal characteristics provide greater mum capacity is not required.
9000H 9000UH 9000S two-directional thrust capacity for applica-
tions in which such capacity is the primary
requirement. It can be used in combination
with a corresponding duplex ground 7000P
bearing.
Series Page
9100UK Extra light - 29° contact angle 174
9200U Light - 29° contact angle 174
9300U Medium - 29° contact angle 175
9200UP Light - 40° contact angle 177
9300UP Medium - 40° contact angle 177
9000U Equivalent load and life 178
9000U Minimum load calculations 178
9000U Life calculation examples 179
9000UP Equivalent load and life 180
9000UP Life calculation examples 181
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9100UK and 9200U series split inner ring angular contact ball bearings
B For duplex sets of 7000 and 9000 series bearings
ra see page 243.
ra
29°
D d
Outside
Bore diameter Width Fillet radius1) Basic radial load rating2) Speed rating3)
Dynamic Static
MRC d D B ra C4) C0 Grease Oil
bearing
number mm in. mm in. mm in. mm in. N lbf N lbf rpm rpm
9100UK 10 .3937 26 1.0236 8 .3150 .30 .012 4 620 1 040 2 080 468 30 000 39 000
9101UK 12 .4724 28 1.1024 8 .3150 .30 .012 5 070 1 140 2 500 562 25 000 32 000
9102UK 15 .5906 32 1.2598 9 .3543 .30 .012 5 400 1 210 2 900 652 22 000 28 000
9103UK 17 .6693 35 1.3780 10 .3937 .30 .012 7 610 1 710 4 250 955 19 000 25 000
9104UK 20 .7874 42 1.6535 12 .4724 .64 .025 9 560 2 150 5 600 1 260 16 000 21 000
9105UK 25 .9843 47 1.8504 12 .4724 .64 .025 10 600 2 380 6 950 1 560 12 000 16 000
9106UK 30 1.1811 55 2.1654 13 .5118 1.00 .040 13 800 3 100 9 650 2 170 11 000 14 000
9107UK 35 1.3780 62 2.4409 14 .5512 1.00 .040 16 800 3 780 12 000 2 700 9 200 12 000
9108UK 40 1.5748 68 2.6772 15 .5906 1.00 .040 17 200 3 870 13 200 2 970 8 500 11 000
9109UK 45 1.7717 75 2.9528 16 .6299 1.00 .040 21 200 4 770 17 000 3 820 7 500 9 800
9110UK 50 1.9685 80 3.1496 16 .6299 1.00 .040 22 100 4 970 18 300 4 110 6 900 9 000
9111UK 55 2.1654 90 3.5433 18 .7087 1.00 .040 29 600 6 650 25 500 5 730 6 300 8 200
9112UK 60 2.3622 95 3.7402 18 .7087 1.00 .040 30 200 6 790 27 000 6 070 5 700 7 400
9113UK 65 2.5591 100 3.9370 18 .7087 1.00 .040 31 200 7 010 29 000 6 520 5 400 7 000
9114UK 70 2.7559 110 4.3307 20 .7874 1.00 .040 34 500 7 760 35 500 7 980 5 000 6 500
9115UK 75 2.9528 115 4.5276 20 .7874 1.00 .040 37 700 8 480 37 500 8 430 4 700 6 100
9116UK 80 3.1496 125 4.9213 22 .8661 1.00 .040 48 800 11 000 49 000 11 000 4 500 5 800
9117UK 85 3.3465 130 5.1181 22 .8661 1.00 .040 49 400 11 100 52 000 11 700 4 100 5 300
9118UK 90 3.5433 140 5.5118 24 .9449 1.50 .060 58 500 13 200 61 000 13 700 3 800 4 900
9119UK 95 3.7402 145 5.7087 24 .9449 1.50 .060 71 500 16 100 71 000 16 000 3 600 4 700
9120UK 100 3.9370 150 5.9055 24 .9449 1.50 .060 62 400 14 000 68 000 15 300 3 500 4 500
9121UK 105 4.1339 160 6.2992 26 1.0236 2.00 .080 74 100 16 700 80 000 18 000 3 300 4 300
9122UK 110 4.3307 170 6.6929 28 1.1024 2.00 .080 87 100 19 600 91 500 20 600 3 200 3 800
9200U
9202U 15 .5906 35 1.3780 11 .4331 .64 .025 8 060 1 810 4 750 1 070 20 000 26 000
9203U 17 .6693 40 1.5748 12 .4724 .64 .025 9 950 2 240 6 100 1 370 18 000 23 000
9204U 20 .7874 47 1.8504 14 .5512 1.00 .040 11 900 2 680 7 100 1 600 15 000 19 000
9205U 25 .9843 52 2.0472 15 .5906 1.00 .040 14 300 3 210 8 800 1 980 12 000 16 000
9206U 30 1.1811 62 2.4409 16 .6299 1.00 .040 16 800 3 780 11 800 2 650 10 000 13 000
9207U 35 1.3780 72 2.8346 17 .6693 1.00 .040 23 400 5 260 17 000 3 820 9 200 12 000
9208U 40 1.5748 80 3.1496 18 .7087 1.00 .040 30 700 6 900 22 800 5 130 7 700 10 000
9209U 45 1.7717 85 3.3465 19 .7480 1.00 .040 31 900 7 170 25 000 5 620 7 300 9 500
9210U 50 1.9685 90 3.5433 20 .7874 1.00 .040 33 200 7 460 27 000 6 070 6 400 8 300
9211U 55 2.1654 100 3.9370 21 .8268 1.50 .060 48 800 11 000 37 500 8 430 6 000 7 800
9212U 60 2.3622 110 4.3307 22 .8661 1.50 .060 52 700 11 800 44 000 9 890 5 400 7 000
9213U 65 2.5591 120 4.7244 23 .9055 1.50 .060 63 700 14 300 54 000 12 100 4 900 6 400
9214U 70 2.7559 125 4.9213 24 .9449 1.50 .060 63 700 14 300 55 000 12 400 4 600 6 000
9215U 75 2.9528 130 5.1181 25 .9843 1.50 .060 76 100 17 100 65 500 14 700 4 300 5 600
9216U 80 3.1496 140 5.5118 26 1.0236 2.00 .080 78 000 17 500 71 000 16 000 4 100 5 300
9217U 85 3.3465 150 5.9055 28 1.1024 2.00 .080 90 400 20 300 85 000 19 100 3 800 4 900
9218U 90 3.5433 160 6.2992 30 1.1811 2.00 .080 112 000 25 100 98 000 22 000 3 600 4 700
9219U 95 3.7402 170 6.6929 32 1.2598 2.00 .080 117 000 26 300 108 000 24 300 3 500 4 500
9220U 100 3.9370 180 7.0866 34 1.3386 2.00 .080 130 000 29 200 122 000 27 400 3 200 4 100
9221U 105 4.1339 190 7.4803 36 1.4173 2.00 .080 148 000 33 300 137 000 30 800 3 000 3 900
9222U 110 4.3307 200 7.8740 38 1.4961 2.00 .080 163 000 36 600 156 000 35 100 2 900 3 800
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) For thrust rating multiply C by 1.32 and C0 by 2.94.
3) Listed values are for machined bronze cage, ABEC-1. The values have been determined through historical application and practice. For a more complete explanation, see page 272.
4) Rating for one million revolutions or 500 hours at 331/3 rpm.
174
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ra
29°
D d
Outside
Bore diameter Width Fillet radius1) Basic radial load rating2) Speed rating3)
Dynamic Static
MRC d D B ra C4) C0 Grease Oil
bearing
number mm in. mm in. mm in. mm in. N lbf N lbf rpm rpm
9302U 15 .5906 42 1.6535 13 .5118 1.0 .04 9 950 2 240 6 100 1 370 16 000 21 000
9303U 17 .6693 47 1.8504 14 .5512 1.0 .04 12 100 2 720 7 500 1 690 15 000 19 000
9304U 20 .7874 52 2.0472 15 .5906 1.0 .04 18 600 4 180 10 600 2 380 13 000 17 000
9305U 25 .9843 62 2.4409 17 .6693 1.0 .04 21 200 4 770 13 700 3 080 11 000 14 000
9306U 30 1.1811 72 2.8346 19 .7480 1.0 .04 28 100 6 320 18 600 4 180 9 200 12 000
9307U 35 1.3780 80 3.1496 21 .8268 1.5 .06 35 800 8 050 24 000 5 400 8 500 11 000
9308U 40 1.5748 90 3.5433 23 .9055 1.5 .06 44 200 9 940 31 000 7 000 7 300 9 500
9309U 45 1.7717 100 3.9370 25 .9843 1.5 .06 52 700 11 800 38 000 8 540 6 400 8 300
9310U 50 1.9685 110 4.3307 27 1.0630 2.0 .08 68 900 15 500 49 000 11 000 5 800 7 500
9311U 55 2.1654 120 4.7244 29 1.1417 2.0 .08 80 600 18 100 57 000 12 800 5 100 6 600
9312U 60 2.3622 130 5.1181 31 1.2205 2.0 .08 92 300 20 700 65 500 14 700 4 900 6 400
9313U 65 2.5591 140 5.5118 33 1.2992 2.0 .08 97 500 21 900 75 000 16 900 4 600 6 000
9314U 70 2.7559 150 5.9055 35 1.3780 2.0 .08 111 000 25 000 85 000 19 100 4 100 5 300
9315U 75 2.9528 160 6.2992 37 1.4567 2.0 .08 130 000 29 200 106 000 23 800 3 900 5 000
9316U 80 3.1496 170 6.6929 39 1.5354 2.0 .08 143 000 32 100 120 000 27 000 3 600 4 700
9317U 85 3.3465 180 7.0866 41 1.6142 2.5 .10 153 000 34 400 134 000 30 100 3 500 4 500
9318U 90 3.5433 190 7.4803 43 1.6929 2.5 .10 168 000 37 800 150 000 33 700 3 200 4 200
9319U 95 3.7402 200 7.8740 45 1.7717 2.5 .10 178 000 40 000 166 000 37 300 3 100 4 000
9320U 100 3.9370 215 8.4646 47 1.8504 2.5 .10 190 000 42 700 183 000 41 100 3 000 3 900
9321U 105 4.1339 225 8.8583 49 1.9291 2.5 .10 203 000 45 600 200 000 45 000 2 900 3 800
9322U 110 4.3307 240 9.4488 50 1.9685 2.5 .10 229 000 51 500 236 000 53 100 2 700 3 500
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) For thrust rating multiply C by 1.32 and C0 by 2.94.
3) Listed values are for machined bronze cage, ABEC-1. The values have been determined through historical application and practice. For a more complete explanation, see page 272.
4) Rating for one million revolutions or 500 hours at 331/3 rpm.
175
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9200UP and 9300UP series split inner ring angular contact ball bearings
B
ra For duplex sets of 7000 and 9000 series bearings
see page 243.
ra
40°
D d
Outside
Bore diameter Width Fillet radius1) Basic radial load rating2) Speed rating3)
Dynamic Static
MRC d D B ra C4) C0 Grease Oil
bearing
number mm in. mm in. mm in. mm in. N lbf N lbf rpm rpm
9202UP 15 .5906 35 1.3780 11 .4331 .64 .025 8 840 1 990 4 250 955 17 000 24 000
9203UP 17 .6693 40 1.5748 12 .4724 .64 .025 11 700 2 630 6 000 1 350 15 000 20 000
9204UP 20 .7874 47 1.8504 14 .5512 1.00 .040 14 800 3 330 8 300 1 870 12 000 17 000
9205UP 25 .9843 52 2.0472 15 .5906 1.00 .040 16 800 3 780 10 400 2 340 10 000 15 000
9206UP 30 1.1811 62 2.4409 16 .6299 1.00 .040 21 200 4 770 12 700 2 860 8 500 12 000
9207UP 35 1.3780 72 2.8346 17 .6693 1.00 .040 29 100 6 540 19 300 4 340 8 000 11 000
9208UP 40 1.5748 80 3.1496 18 .7087 1.00 .040 32 500 7 310 22 400 5 040 7 000 9 500
9209UP 45 1.7717 85 3.3465 19 .7480 1.00 .040 39 000 8 770 27 500 6 180 6 700 9 000
9210UP 50 1.9685 90 3.5433 20 .7874 1.00 .040 40 300 9 060 30 000 6 740 6 000 8 000
9211UP 55 2.1654 100 3.9370 21 .8268 1.50 .060 48 800 11 000 37 500 8 430 5 600 7 500
9212UP 60 2.3622 110 4.3307 22 .8661 1.50 .060 58 500 13 200 45 500 10 200 5 000 6 700
9213UP 65 2.5591 120 4.7244 23 .9055 1.50 .060 63 700 14 300 51 000 11 500 4 500 6 000
9214UP 70 2.7559 125 4.9213 24 .9449 1.50 .060 68 900 15 500 56 000 12 600 4 300 5 600
9215UP 75 2.9528 130 5.1181 25 .9843 1.50 .060 71 500 16 100 60 000 13 500 4 000 5 300
9216UP 80 3.1496 140 5.5118 26 1.0236 2.00 .080 83 200 18 700 71 000 16 000 3 800 5 000
9217UP 85 3.3465 150 5.9055 28 1.1024 2.00 .080 95 600 21 500 83 000 18 700 3 600 4 800
9218UP 90 3.5433 160 6.2992 30 1.1811 2.00 .080 108 000 24 300 95 000 21 400 3 400 4 500
9219UP 95 3.7402 170 6.6929 32 1.2598 2.00 .080 124 000 27 900 110 000 24 700 3 200 4 300
9220UP 100 3.9370 180 7.0866 34 1.3386 2.00 .080 130 000 29 200 125 000 28 100 3 000 4 000
9221UP 105 4.1339 190 7.4803 36 1.4173 2.00 .080 143 000 32 100 129 000 29 000 2 800 3 800
9222UP 110 4.3307 200 7.8740 38 1.4961 2.00 .080 153 000 34 400 156 000 35 100 2 600 3 600
9300UP
9302UP 15 .5906 42 1.6535 13 .5118 1.00 .040 12 700 2 860 6 100 1 370 15 000 20 000
9303UP 17 .6693 47 1.8504 14 .5512 1.00 .040 16 800 3 780 8 500 1 910 13 000 18 000
9304UP 20 .7874 52 2.0472 15 .5906 1.00 .040 18 600 4 180 9 500 2 140 11 000 16 000
9305UP 25 .9843 62 2.4409 17 .6693 1.00 .040 24 200 5 440 13 400 3 010 9 000 13 000
9306UP 30 1.1811 72 2.8346 19 .7480 1.00 .040 32 500 7 310 19 600 4 410 8 000 11 000
9307UP 35 1.3780 80 3.1496 21 .8268 1.50 .060 39 700 8 920 24 500 5 510 7 500 10 000
9308UP 40 1.5748 90 3.5433 23 .9055 1.50 .060 47 500 10 700 30 500 6 860 6 700 9 000
9309UP 45 1.7717 100 3.9370 25 .9843 1.50 .060 59 200 13 300 40 000 8 990 6 000 8 000
9310UP 50 1.9685 110 4.3307 27 1.0630 2.00 .080 68 900 15 500 52 000 11 700 5 300 7 000
9311UP 55 2.1654 120 4.7244 29 1.1417 2.00 .080 79 300 17 800 56 000 12 600 4 800 6 300
9312UP 60 2.3622 130 5.1181 31 1.2205 2.00 .080 90 400 20 300 64 000 14 400 4 500 6 000
9313UP 65 2.5591 140 5.5118 33 1.2992 2.00 .080 101 000 22 700 80 000 18 000 4 300 5 600
9314UP 70 2.7559 150 5.9055 35 1.3780 2.00 .080 117 000 26 300 93 000 20 900 3 800 5 000
9315UP 75 2.9528 160 6.2992 37 1.4567 2.00 .080 127 000 28 600 100 000 22 500 3 600 4 800
9316UP 80 3.1496 170 6.6929 39 1.5354 2.00 .080 138 000 31 000 110 000 24 700 3 400 4 500
9317UP 85 3.3465 180 7.0866 41 1.6142 2.50 .100 148 000 33 300 122 000 27 400 3 200 4 300
9318UP 90 3.5433 190 7.4803 43 1.6929 2.50 .100 159 000 35 700 137 000 30 800 3 000 4 000
9319UP 95 3.7402 200 7.8740 45 1.7717 2.50 .100 168 000 37 800 150 000 33 700 2 800 3 800
9320UP 100 3.9370 215 8.4646 47 1.8504 2.50 .100 190 000 42 700 190 000 42 700 2 600 3 600
9321UP 105 4.1339 225 8.8583 49 1.9291 2.50 .100 203 000 45 600 196 000 44 100 2 400 3 400
9322UP 110 4.3307 240 9.4488 50 1.9685 2.50 .100 212 000 47 700 228 000 51 300 2 200 3 200
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) For thrust rating multiply C by 1.75 and C0 by 3.85.
3) Listed values are for machined bronze cage, ABEC-1. The values have been determined through historical application and practice. For a more complete explanation, see page 272.
4) Rating for one million revolutions or 500 hours at 331/3 rpm.
177
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9000U series split inner ring 29° angular contact ball bearings
single bearing
Dynamic and static equivalent
radial load and life rating
Satisfactory operation of angular contact ball 9113UK 7.97 9304U 1.19 9216UP 84.07
bearings requires sufficient traction forces 9114UK 11.45 9305U 1.85 9217UP 112.9
between the balls and races to minimize 9115UK 12.79 9306U 3.45 9218UP 148.5
damage caused by sliding or skidding. This is 9116UK 20.43 9307U 5.77 9219UP 191.9
particularly important at high speeds where 9117UK 22.59 9308U 9.31 9220UP 224.1
the inertia forces of the balls and cage and the 9118UK 32.62 9309U 14.26 9221UP 282.7
viscous drag in the lubricant can have a detri-
9119UK 44.04 9310U 26.44 9222UP 352.1
mental influence on the rolling conditions.
9120UK 39.28 9311U 36.89 9302UP 0.85
The minimum required thrust load can be
determined from the following formula. 9121UK 54.28 9312U 50.17 9303UP 1.53
2 9122UK 72.46 9313U 64.73 9304UP 1.91
n
FA = A( 1000 ) newtons 9202U 0.19 9314U 73.28 9305UP 3.85
or 2
9203U 0.30 9315U 110.90 9306UP 7.39
n
F = 0.2248 A (
1000 )
A
pounds 9204U 0.42 9316U 131.40 9307UP 11.66
9205U 0.94 9317U 178.20 9308UP 17.31
Where, FA = Minimum thrust load
9206U 1.41 9318U 205.60 9309UP 29.08
A = Bearing design factor listed in
the following tables 9207U 2.82 9319U 252.80 9310UP 36.26
178
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9000U series split inner ring 29° angular contact ball bearings
single bearing
Dynamic equivalent radial load
and life calculation examples
Case 1
Radial load (FR) = 1750
Thrust load (FA) = 1310
Equivalent load (P) = FR or 0.39 FR + 0.76 FA
FA/FR = 1310/1750 = 0.75
Since FA/FR < 0.80, P = FR = 1750
C 3 3
Life (L10) =
or
( P ) ( 1750 )
= 11800 = 307× 10 Rev. 6
3
C 3
= 2555 Hrs
Case 2
Radial load (FR) = 1750
Thrust load (FA) = 2100
Equivalent load (P) = FR or 0.39 FR + 0.76 FA
FA/FR = 2100/1750 = 1.20
Since FA/FR > 0.80, P = 0.39 x 1750 + 0.76 x 2100 = 2279
3
( CP ) = ( 11800
3
2279 )
Life (L10) = = 139 × 10 Rev. 6
or
10 C
6 3 3
10
60n ( P ) 60 × 2000 ( 2279 )
6
Life (L10 ) = = 11800
h
= 1157 Hrs
Case 3
Thrust load (FA) = 2100
Equivalent load (P) = 0.39 FR + 0.76 FA
FA/FR = 2100/0 = ∞
Since FA/FR > 0.80, (P) = 0.76 x 2100 = 1596
3
( CP ) = ( 11800
3
1596 )
Life (L10) = = 404 × 10 Rev.
6
or
106 3
C 3
= 3368 Hrs
179
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9000UP series split inner ring 40° angular contact ball bearings
single bearing
Life rating
( CP ) (millions of revolutions)
3
L10 =
or
106
( CP )
3
L10h = (hours)
60n
C = Basic dynamic radial load rating
(from single bearing tables)
P = Dynamic equivalent radial load
n = Speed in rpm
180
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9000UP series split inner ring 40° angular contact ball bearings
single bearing
Case 1
Radial load (FR) = 1750
Thrust load (FA) = 1960
FA/FR = 1960/1750 = 1.12
Since FA/FR < 1.14, equivalent load (P) = FR = 1750
3
( CP ) = ( 13300
3
1750 )
Life (L10) = = 439 × 10 Rev. 6
or
10 C
6 3 3
10
60n ( P ) 60 × 2000 ( 1750 )
6
Life (L10 ) = = 13300
h
= 3658 Hrs
Case 2
Radial load (FR) = 1750
Thrust load (FA) = 2450
FA/FR = 2450/1750 = 1.40
Since FA/FR > 1.14, equivalent load (P) = 0.35 FR + 0.57 FA
P = 0.35 × 1750 + 0.57 × 2450 = 2009
C 3 13300 3
Life (L10) = () (
P
=
2009 )
= 290 × 106 Rev.
or
13300 3
Life (L10h) =
106 C 3
()
60n P
= 106
60 × 2000 2009 ( )
= 2418 Hrs
Case 3
Thrust load (FA) = 2450
FA/FR = 2450/0 = ∞
Since FA/FR > 1.14, equivalent load (P) = 0.35 FR + 0.57 FA
3
( CP ) = ( 13300
3
1397 )
Life (L10) = = 863 × 10 Rev. 6
or
10 6 3
C 3 10
60n ( P ) 60 × 2000 ( 1397 )
6
13300
Life (L 10 ) =
h
=
= 7191 Hrs
181
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182
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B
rb
B
rb
Typical mountings
The bearings are usually mounted in pairs.
ra ra This arrangement divides the thrust load in
29° 40° one direction while accommodating reversing
thrust load. To increase thrust capacity in one
d direction it is possible to mount additional
D d D
7000DT or 7000PDT bearings in tandem.
Series Page
97200U2 Light - 29° contact angle 184
97300U2 Medium - 29° contact angle 185
97200UP2 Light - 40° contact angle 186
97300UP2 Medium - 40° contact angle 187
97000U Equivalent load and life 188
97000U Life calculation examples 189
97000UP Equivalent load and life 190
97000UP Life calculation examples 191
183
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Outside
Bore diameter Width Fillet radius1) Basic radial load rating2) Speed rating3)
Dynamic Static
MRC d D B ra rb C4) C0 Grease Oil
bearing
number mm in. mm in. mm in. mm in. mm in. N lbf N lbf rpm rpm
97207U2 35 1.3780 72 2.8346 34 1.3386 1.0 .04 .60 .024 37 700 8 480 34 000 7 640 7 400 9 600
97208U2 40 1.5748 80 3.1496 36 1.4173 1.0 .04 .60 .024 49 400 11 100 45 500 10 200 6 200 8 000
97209U2 45 1.7717 85 3.3465 38 1.4961 1.0 .04 .60 .024 49 400 11 100 46 500 10 500 5 800 7 600
97210U2 50 1.9685 90 3.5433 40 1.5748 1.0 .04 .60 .024 54 000 12 100 54 000 12 100 5 100 6 600
97211U2 55 2.1654 100 3.9370 42 1.6535 1.5 .06 1.00 .040 79 300 17 800 75 000 16 900 4 800 6 200
97212U2 60 2.3622 110 4.3307 44 1.7323 1.5 .06 1.00 .040 85 200 19 100 88 000 19 800 4 300 5 600
97213U2 65 2.5591 120 4.7244 46 1.8110 1.5 .06 1.00 .040 104 000 23 400 110 000 24 700 3 900 5 100
97214U2 70 2.7559 125 4.9213 48 1.8898 1.5 .06 1.00 .040 104 000 23 400 110 000 24 700 3 700 4 800
97215U2 75 2.9528 130 5.1181 50 1.9685 1.5 .06 1.00 .040 130 000 29 200 140 000 31 500 3 400 4 500
97216U2 80 3.1496 140 5.5118 52 2.0472 2.0 .08 1.00 .040 121 000 27 200 134 000 30 100 3 300 4 200
97217U2 85 3.3465 150 5.9055 56 2.2047 2.0 .08 1.00 .040 148 000 33 300 166 000 37 300 3 000 3 900
97218U2 90 3.5433 160 6.2992 60 2.3622 2.0 .08 1.00 .040 190 000 42 700 236 000 53 100 2 900 3 800
97219U2 95 3.7402 170 6.6929 64 2.5197 2.0 .08 1.00 .040 199 000 44 700 228 000 51 300 2 800 3 600
97220U2 100 3.9370 180 7.0866 68 2.6772 2.0 .08 1.00 .040 225 000 50 600 260 000 58 500 2 600 3 300
97221U2 105 4.1339 190 7.4803 72 2.8346 2.0 .08 1.00 .040 242 000 54 400 295 000 66 300 2 400 3 100
97222U2 110 4.3307 200 7.8740 76 2.9921 2.0 .08 1.00 .040 265 000 59 600 310 000 69 700 2 300 3 000
97224U2 120 4.7244 215 8.4646 80 3.1496 2.0 .08 1.00 .040 281 000 63 200 355 000 79 800 2 200 2 800
97226U2 130 5.1181 230 9.0551 80 3.1496 2.5 .10 1.00 .040 319 000 71 700 415 000 93 300 2 000 2 600
97228U2 140 5.5118 250 9.8425 84 3.3071 2.5 .10 1.00 .040 338 000 76 000 465 000 105 000 1 800 2 400
97230U2 150 5.9055 270 10.6299 90 3.5433 2.5 .10 1.00 .040 397 000 89 200 560 000 126 000 1 700 2 200
97232U2 160 6.2992 290 11.4173 96 3.7795 2.5 .10 1.00 .040 442 000 99 400 670 000 135 000 1 600 2 100
97234U2 170 6.6929 310 12.2047 104 4.0945 3.0 .12 1.00 .040 468 000 105 000 735 000 165 000 1 500 2 000
97236U2 180 7.0866 320 12.5984 104 4.0945 3.0 .12 1.00 .040 494 000 111 000 780 000 175 000 1 500 1 900
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) For thrust rating multiply C by 1.32 and C0 by 2.94.
3) Listed values are for machined brass cage. Values have been determined through historical application and practice.
4) Rating for one million revolutions or 500 hours at 331/3 rpm.
184
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Outside
Bore diameter Width Fillet radius1) Basic radial load rating2) Speed rating3)
Dynamic Static
MRC d D B ra rb C4) C0 Grease Oil
bearing
number mm in. mm in. mm in. mm in. mm in. N lbf N lbf rpm rpm
97307U2 35 1.3780 80 3.1496 42 1.6535 1.5 .06 1.0 .040 58 500 13 200 48 000 10 800 6 800 8 800
97308U2 40 1.5748 90 3.5433 46 1.8110 1.5 .06 1.0 .040 71 500 16 100 61 000 13 700 5 800 7 600
97309U2 45 1.7717 100 3.9370 50 1.9685 1.5 .06 1.0 .040 85 200 19 200 75 000 16 900 5 100 6 600
97310U2 50 1.9685 110 4.3307 54 2.1260 2.0 .08 1.0 .040 121 000 27 200 106 000 23 800 4 600 6 000
97311U2 55 2.1654 120 4.7244 58 2.2835 2.0 .08 1.0 .040 140 000 31 500 125 000 28 100 4 100 5 300
97312U2 60 2.3622 130 5.1181 62 2.4409 2.0 .08 1.0 .040 159 000 35 700 146 000 32 800 3 900 5 100
97313U2 65 2.5591 140 5.5118 66 2.5984 2.0 .08 1.0 .040 178 000 40 000 173 000 38 900 3 700 4 800
97314U2 70 2.7559 150 5.9055 70 2.7559 2.0 .08 1.0 .040 182 000 40 900 170 000 38 200 3 300 4 200
97315U2 75 2.9528 160 6.2992 74 2.9134 2.0 .08 1.0 .040 225 000 50 600 228 000 51 300 3 100 4 000
97316U2 80 3.1496 170 6.6929 78 3.0709 2.0 .08 1.0 .040 234 000 52 600 240 000 54 000 2 900 3 800
97317U2 85 3.3465 180 7.0866 82 3.2283 2.5 .10 1.0 .040 265 000 59 600 285 000 64 100 2 800 3 600
97318U2 90 3.5433 190 7.4803 86 3.3858 2.5 .10 1.0 .040 276 000 62 000 300 000 67 400 2 600 3 400
97319U2 95 3.7402 200 7.8740 90 3.5433 2.5 .10 1.0 .040 291 000 65 400 325 000 73 100 2 500 3 200
97320U2 100 3.9370 215 8.4646 94 3.7008 2.5 .10 1.0 .040 312 000 70 100 365 000 82 100 2 400 3 100
97321U2 105 4.1339 225 8.8583 98 3.8583 2.5 .10 1.0 .040 332 000 74 600 400 000 89 900 2 300 3 000
97322U2 110 4.3307 240 9.4488 100 3.9370 2.5 .10 1.0 .040 371 000 83 400 475 000 107 000 2 200 2 800
97324U2 120 4.7244 260 10.2362 110 4.3307 2.5 .10 1.0 .040 423 000 95 100 560 000 126 000 2 000 2 600
97326U2 130 5.1181 280 11.0236 116 4.5669 3.0 .12 1.0 .040 468 000 105 000 640 000 144 000 1 800 2 400
97328U2 140 5.5118 300 11.8110 124 4.8819 3.0 .12 1.0 .040 507 000 114 000 735 000 165 000 1 800 2 200
97330U2 150 5.9055 320 12.5984 130 5.1181 3.0 .12 1.0 .040 559 000 126 000 865 000 194 000 1 600 2 100
97332U2 160 6.2992 340 13.3858 136 5.3543 3.0 .12 1.0 .040 618 000 139 000 965 000 217 000 1 500 2 000
97334U2 170 6.6929 360 14.1732 144 5.6693 3.0 .12 1.0 .040 650 000 146 000 1 040 000 234 000 1 500 1 900
97336U2 180 7.0866 380 14.9606 150 5.9055 3.0 .12 1.0 .040 689 000 155 000 1 160 000 261 000 1 400 1 800
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) For thrust rating multiply C by 1.32 and C0 by 2.94.
3) Listed values are for machined brass cage. Values have been determined through historical application and practice.
4) Rating for one million revolutions or 500 hours at 331/3 rpm.
185
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Outside
Bore diameter Width Fillet radius1) Basic radial load rating2) Speed rating3)
Dynamic Static
MRC d D B ra rb C4) C0 Grease Oil
bearing
number mm in. mm in. mm in. mm in. mm in. N lbf N lbf rpm rpm
97207UP2 35 1.3780 72 2.8346 34 1.3386 1.0 .04 .60 .024 47 500 10 700 39 000 8 770 6 300 8 500
97208UP2 40 1.5748 80 3.1496 36 1.4173 1.0 .04 .60 .024 52 700 11 800 45 000 10 100 5 600 7 500
97209UP2 45 1.7717 85 3.3465 38 1.4961 1.0 .04 .60 .024 62 400 14 000 55 000 12 400 5 300 7 000
97210UP2 50 1.9685 90 3.5433 40 1.5748 1.0 .04 .60 .024 65 000 14 600 60 000 13 500 4 800 6 300
97211UP2 55 2.1654 100 3.9370 42 1.6535 1.5 .06 1.00 .040 79 300 17 800 75 000 16 900 4 500 6 000
97212UP2 60 2.3622 110 4.3307 44 1.7323 1.5 .06 1.00 .040 95 600 21 500 91 600 20 600 4 000 5 300
97213UP2 65 2.5591 120 4.7244 46 1.8110 1.5 .06 1.00 .040 104 000 23 400 100 000 22 500 3 600 4 800
97214UP2 70 2.7559 125 4.9213 48 1.8898 1.5 .06 1.00 .040 112 000 25 200 112 000 25 200 3 400 4 500
97215UP2 75 2.9528 130 5.1181 50 1.9685 1.5 .06 1.00 .040 117 000 26 300 120 000 27 000 3 200 4 300
97216UP2 80 3.1496 140 5.5118 52 2.0472 2.0 .08 1.00 .040 135 000 30 300 140 000 31 500 3 000 4 000
97217UP2 85 3.3465 150 5.9055 56 2.2047 2.0 .08 1.00 .040 156 000 35 100 166 000 37 300 2 800 3 800
97218UP2 90 3.5433 160 6.2992 60 2.3622 2.0 .08 1.00 .040 178 000 40 000 190 000 42 700 2 600 3 600
97219UP2 95 3.7402 170 6.6929 64 2.5197 2.0 .08 1.00 .040 199 000 44 700 220 000 49 500 2 400 3 400
97220UP2 100 3.9370 180 7.0866 68 2.6772 2.0 .08 1.00 .040 212 000 47 700 250 000 56 200 2 200 3 200
97221UP2 105 4.1339 190 7.4803 72 2.8346 2.0 .08 1.00 .040 229 000 51 500 260 000 58 500 2 000 3 000
97222UP2 110 4.3307 200 7.8740 76 2.9921 2.0 .08 1.00 .040 251 000 56 400 310 000 69 700 1 900 2 800
97224UP2 120 4.7244 215 8.4646 80 3.1496 2.0 .08 1.00 .040 270 000 60 700 325 000 73 100 1 700 2 400
97226UP2 130 5.1181 230 9.0551 80 3.1496 2.5 .10 1.00 .040 302 000 67 900 390 000 87 700 1 700 2 400
97228UP2 140 5.5118 250 9.8425 84 3.3071 2.5 .10 1.00 .040 319 000 71 700 430 000 96 700 1 600 2 200
97230UP2 150 5.9055 270 10.6299 90 3.5433 2.5 .10 1.00 .040 351 000 78 900 520 000 117 000 1 500 2 000
97232UP2 160 6.2992 290 11.4173 96 3.7795 2.5 .10 1.00 .040 390 000 87 700 560 000 126 000 1 300 1 700
97234UP2 170 6.6929 310 12.2047 104 4.0945 3.0 .12 1.00 .040 436 000 98 000 655 000 147 000 1 200 1 600
97236UP2 180 7.0866 320 12.5984 104 4.0945 3.0 .12 1.00 .040 449 000 101 000 710 000 160 000 1 100 1 500
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) For thrust rating multiply C by 1.76 and C0 by 3.86.
3) Listed values are for machined brass cage. Values have been determined through historical application and practice.
4) Rating for one million revolutions or 500 hours at 331/3 rpm.
186
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Outside
Bore diameter Width Fillet radius1) Basic radial load rating2) Speed rating3)
Dynamic Static
MRC d D B ra rb C4) C0 Grease Oil
bearing
number mm in. mm in. mm in. mm in. mm in. N lbf N lbf rpm rpm
97307UP2 35 1.3780 80 3.1496 42 1.6535 1.5 .06 1.0 .040 63 700 14 300 49 000 11 000 6 000 8 000
97308UP2 40 1.5748 90 3.5433 46 1.8110 1.5 .06 1.0 .040 76 100 17 100 61 000 13 700 5 300 7 000
97309UP2 45 1.7717 100 3.9370 50 1.9685 1.5 .06 1.0 .040 97 500 21 900 80 000 18 000 4 800 6 300
97310UP2 50 1.9685 110 4.3307 54 2.1260 2.0 .08 1.0 .040 112 000 25 200 104 000 23 400 4 300 5 600
97311UP2 55 2.1654 120 4.7244 58 2.2835 2.0 .08 1.0 .040 130 000 29 200 112 000 25 200 3 800 5 000
97312UP2 60 2.3622 130 5.1181 62 2.4409 2.0 .08 1.0 .040 148 000 33 300 129 000 29 000 3 600 4 800
97313UP2 65 2.5591 140 5.5118 66 2.5984 2.0 .08 1.0 .040 165 000 37 100 160 000 36 000 3 200 4 300
97314UP2 70 2.7559 150 5.9055 70 2.7559 2.0 .08 1.0 .040 190 000 42 700 186 000 41 800 3 000 4 000
97315UP2 75 2.9528 160 6.2992 74 2.9134 2.0 .08 1.0 .040 208 000 46 800 200 000 45 000 2 800 3 800
97316UP2 80 3.1496 170 6.6929 78 3.0709 2.0 .08 1.0 .040 225 000 50 600 220 000 49 500 2 600 3 600
97317UP2 85 3.3465 180 7.0866 82 3.2283 2.5 .10 1.0 .040 238 000 53 500 245 000 55 100 2 400 3 400
97318UP2 90 3.5433 190 7.4803 86 3.3858 2.5 .10 1.0 .040 255 000 57 300 270 000 60 700 2 200 3 200
97319UP2 95 3.7402 200 7.8740 90 3.5433 2.5 .10 1.0 .040 276 000 62 000 300 000 67 400 2 000 3 000
97320UP2 100 3.9370 215 8.4646 94 3.7008 2.5 .10 1.0 .040 307 000 69 000 380 000 85 400 1 900 2 800
97321UP2 105 4.1339 225 8.8583 98 3.8583 2.5 .10 1.0 .040 325 000 73 100 390 000 87 700 1 800 2 600
97322UP2 110 4.3307 240 9.4488 100 3.9370 2.5 .10 1.0 .040 345 000 77 600 455 000 102 000 1 700 2 400
97324UP2 120 4.7244 260 10.2362 110 4.3307 2.5 .10 1.0 .040 390 000 87 700 530 000 119 000 1 600 2 200
97326UP2 130 5.1181 280 11.0236 116 4.5669 3.0 .12 1.0 .040 449 000 101 000 610 000 137 000 1 500 2 000
97328UP2 140 5.5118 300 11.8110 124 4.8819 3.0 .12 1.0 .040 488 000 110 000 695 000 156 000 1 400 1 900
97330UP2 150 5.9055 320 12.5984 130 5.1181 3.0 .12 1.0 .040 540 000 121 000 780 000 175 000 1 200 1 700
97332UP2 160 6.2992 340 13.3858 136 5.3543 3.0 .12 1.0 .040 553 000 124 000 850 000 191 000 1 200 1 600
97334UP2 170 6.6929 360 14.1732 144 5.6693 3.0 .12 1.0 .040 605 000 136 000 965 000 217 000 1 000 1 500
97336UP2 180 7.0866 380 14.9606 150 5.9055 3.0 .12 1.0 .040 650 000 146 000 1 100 000 247 000 950 1 400
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) For thrust rating multiply C by 1.76 and C0 by 3.86.
3) Listed values are for machined brass cage.
Values have been determined through historical application and practice.
4) Rating for one million revolutions or 500 hours at 331/3 rpm.
187
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Life rating
( CP )
3
L10 = (millions of revolutions)
or
106
( CP )
3
L10h = (hours)
60n
C = Dynamic radial load rating
P = Dynamic equivalent radial load
n = Speed in rpm
188
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Case 1
Thrust load (FA) = 5000
FA/FR = 5000/0 = ∞
Since FA/FR > 0.80,
P = 0.39 FR + 0.76 FA = 0.76 x 5000
P = 3800
C = 40000
3
( CP ) = ( 40000
3
3800 )
Life (L10) = = 1166 × 10 Rev.
6
or
3
40000
60 × 1750 3800 )
(
C 3 10
Life (L10 ) = 10 ( ) =
6 6
h
60n P
= 11108 Hrs
Case 2
Radial load (FR) = 3000
Thrust load (FA) = 5000
FA/FR = 5000/3000 = 1.67
Since FA/FR > 0.80,
P = 0.39 FR + 0.76 FA = 0.39 × 3000 + 0.76 × 5000
P = 4970
C = 40000
3
( CP ) = ( 40000
3
4970 )
Life (L10) = = 521 × 10 Rev.
6
or
3
10 C 3 10
60n ( P ) 60 × 1750 ( 4970 )
6
6
40000
Life (L10 ) =
h
=
= 4965 Hrs
189
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Life rating
( CP )
3
L10 = (millions of revolutions)
or
106
( CP )
3
L10h = (hours)
60n
C = Dynamic radial load rating
P = Dynamic equivalent radial load
n = Speed in rpm
190
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Case 1
Thrust load (FA) = 5000
FA/FR = 5000/0 = ∞
Since FA/FR > 1.14,
P = 0.35 FR + 0.57 FA = 0.57 x 5000
P = 2850
C = 42700
3
( CP ) = ( 42700
3
2850 )
Life (L10) = = 3363 × 10 Rev.
6
or
10 6
42700 3
Life (L10 ) = 10 C = ( 2850 )
6 3
h
60n P ( ) 60 × 1750
= 32030 Hrs
Case 2
Radial load (FR) = 3000
Thrust load (FA) = 5000
FA/FR = 5000/3000 = 1.67
Since FA/FR > 1.14,
P = 0.35 FR + 0.57 FA = 0.35 x 3000 + 0.57 x 5000
P = 3900
C = 42700
3
( CP ) = ( 42700
3
3900 )
Life (L10) = = 1312 × 10 Rev.
6
or
10 C
6 3 3
10
60n ( P ) 60 × 1750 ( 3900 )
6
Life (L10 ) = = 42700
h
= 12500 Hrs
191
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192
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Precision bearings
ABEC-5 and ABEC-7 tolerance grades
Precision ball bearings in tolerance grades other surface characteristics are held to very
ABEC-5 and ABEC-7 are recommended for close tolerances. Cages generally are of phe-
applications where high speed and/or extreme nolic (Bakelite) composition, which is well-
running accuracy is required. These bearings suited for high-speed operation.
have the same nominal external dimensions
as equivalent size ABEC-1 grade bearings; Temperature
however, the running characteristics and ex- The bearings are manufactured from vacuum-
ternal dimensions are held to closer processed 52100 steel that can operate satis-
tolerances. factorily to 250° F (121° C). This is well within
the requirement of most machine tool
Standardization applications.
Bearing envelope dimensions and tolerances
shown in this catalog comply with standards Duplexed bearings
established in the USA by the Annular Bearing Precision ball bearings are also duplex ground
Engineers Committee (ABEC) of the American so they can be used as a component in a pair
Bearing Manufacturers Association (ABMA) of bearings or in a bearing set (see duplex
(see Engineering section; page 229). These bearings section; page 224). Duplex pairs
standards have also been approved by the (or sets of bearings) ordered as DB, DF, or DT
American Standard Association (ASA) and the (or in combinations), are tied together as they
International Standards Organization (ISO). are to be mounted.
This assures the bearing user of all the ad-
vantages of dimensional standardization. Packaging and identification
However, dimensional interchangeability is Bearings are thoroughly cleaned immediately
not necessarily an indication of functional prior to packaging and are usually coated with
interchangeability. Other characteristics must a lightweight oil compatible with most machine
also be considered such as cage type, internal lubricants. Therefore, bearings can be used as
clearance, contact angle, configuration of the received without being washed, with the oil
bearing rings and other details. serving as a rust inhibitor. Single-row bearings
In order to meet the running characteristic are packaged in hermetically sealed transpar-
tolerances specified for precision bearings, ent bags and placed in distinctive boxes iden-
it is necessary to assemble them with high tified with the bearing number, tolerance
precision balls where the size, sphericity and grade and other important bearing data.
Series Page
1900R Extremely light, ABEC-7, single bearing 194
1900RD Extremely light, ABEC-7, duplex set 195
100KR Extra light, ABEC-7, single bearing 196
100KRD Extra light, ABEC-7, duplex set 197
200R Light, ABEC-7, single bearing 198
200RD Light, ABEC-7, duplex set 199
300R Medium, ABEC-7, single bearing 200
300RD Medium, ABEC-7, duplex set 201
200S Light, ABEC-5, woodworking bearings 202
300S Medium, ABEC-5, woodworking bearings 202
XO-RBDJ Ball screw support bearings 203
193
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Outside
Bore diameter Width Fillet radius1) Basic radial load rating Speed rating3)
Dynamic Static
MRC d D B ra rb ZD2 C2) C0 Grease Oil
bearing
number mm in. mm in. mm in. mm in. mm in. mm in. N lbf N lbf rpm rpm
1900R 10 .3937 22 .8661 6 .2362 .30 .012 .10 .004 110 .17 3 120 701 1 560 351 76 000 110 000
1901R 12 .4724 24 .9449 6 .2362 .30 .012 .10 .004 123 .19 3 250 731 1 800 405 69 000 100 000
1902R 15 .5906 28 1.1024 7 .2756 .30 .012 .10 .004 187 .29 4 880 1 100 2 700 607 55 000 84 000
1903R 17 .6693 30 1.1811 7 .2756 .30 .012 .10 .004 206 .32 5 400 1 210 3 000 674 51 000 78 000
1904R 20 .7874 37 1.4567 9 .3543 .30 .012 .15 .006 400 .62 9 360 2 100 5 850 1 320 41 000 62 000
1905R 25 .9843 42 1.6535 9 .3543 .30 .012 .15 .006 342 .53 7 610 1 710 5 300 1 190 37 000 53 000
1906R 30 1.1811 47 1.8504 9 .3543 .30 .012 .15 .006 452 .70 9 750 2 190 7 100 1 600 32 000 48 000
1907R 35 1.3780 55 2.1654 10 .3937 .64 .025 .15 .006 555 .86 11 200 2 520 9 000 2 020 25 000 39 000
1908R 40 1.5748 62 2.4409 12 .4724 .64 .025 .15 .006 722 1.12 14 300 3 210 11 600 2 600 23 000 36 000
1909R 45 1.7717 68 2.6772 12 .4724 .64 .025 .15 .006 806 1.25 15 100 3 400 13 400 3 010 21 000 31 000
1910R 50 1.9685 72 2.8346 12 .4724 .64 .025 .15 .006 1 070 1.66 19 500 4 380 17 300 3 900 20 000 28 000
1911R 55 2.1654 80 3.1496 13 .5118 1.00 .040 .30 .012 1 260 1.95 22 900 5 150 20 400 4 590 18 000 27 000
1912R 60 2.3622 85 3.3465 13 .5118 1.00 .040 .30 .012 1 390 2.15 24 200 5 440 22 800 5 130 17 000 25 000
1913R 65 2.5591 90 3.5433 13 .5118 1.00 .040 .30 .012 1 450 2.25 24 700 5 550 24 000 5 400 15 000 22 000
1914R 70 2.7559 100 3.9370 16 .6299 1.00 .040 .30 .012 1 990 3.09 33 200 7 460 32 500 7 300 14 000 21 000
1915R 75 2.9528 105 4.1339 16 .6299 1.00 .040 .30 .012 2 080 3.23 34 500 7 760 34 500 7 760 14 000 20 000
1916R 80 3.1496 110 4.3307 16 .6299 1.00 .040 .30 .012 2 180 3.38 34 500 7 760 36 000 8 100 13 000 19 000
1917R 85 3.3465 120 4.7244 18 .7087 1.00 .040 .60 .024 2 840 4.40 44 900 10 100 46 500 10 500 12 000 18 000
1918R 90 3.5433 125 4.9213 18 .7087 1.00 .040 .60 .024 3 400 5.27 52 700 11 800 56 000 12 600 12 000 17 000
1919R 95 3.7402 130 5.1181 18 .7087 1.00 .040 .60 .024 3 090 4.79 47 500 10 700 52 000 11 700 11 000 16 000
1920R 100 3.9370 140 5.5118 20 .7874 1.00 .040 .60 .024 3 870 6.00 58 500 13 200 64 000 14 400 10 000 15 000
1921R 105 4.1339 145 5.7087 20 .7874 1.00 .040 .60 .024 4 030 6.25 60 500 13 600 67 000 15 100 10 000 14 000
1922R 110 4.3307 150 5.9055 20 .7874 1.00 .040 .60 .024 3 820 5.93 55 300 12 400 64 000 14 400 9 200 13 000
1924R 120 4.7244 165 6.4961 22 .8661 1.00 .040 .60 .024 5 100 7.91 74 100 16 700 85 000 19 100 8 300 12 000
1926R 130 5.1181 180 7.0866 24 .9449 1.50 .060 .60 .024 6 300 9.77 90 400 20 500 106 000 23 800 7 800 11 000
1928R 140 5.5118 190 7.4803 24 .9449 1.50 .060 .60 .024 6 580 10.2 95 600 21 400 110 000 24 700 7 400 11 000
1930R 150 5.9055 210 8.2677 28 1.1024 2.00 .080 1.00 .040 9 090 14.1 125 000 28 200 150 000 33 700 6 400 9 500
1932R 160 6.2992 220 8.6614 28 1.1024 2.00 .080 1.00 .040 9 420 14.60 127 000 28 600 156 000 35 100 6 000 9 000
1934R 170 6.6929 230 9.0551 28 1.1024 2.00 .080 1.00 .040 10 200 15.80 133 000 29 800 170 000 38 300 5 500 8 400
1936R 180 7.0866 250 9.8425 33 1.2992 2.00 .080 1.00 .040 12 800 19.90 168 000 36 000 212 000 47 800 5 100 7 800
1938R 190 7.4803 260 10.2362 33 1.2992 2.00 .080 1.00 .040 13 400 20.70 174 000 39 100 224 000 50 400 5 100 7 800
1940R 200 7.8740 280 11.0236 38 1.4961 2.00 .080 1.00 .040 16 800 26.00 216 000 48 600 275 000 61 800 4 600 7 300
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) Rating for one million revolutions or 500 hours at 331/3 rpm.
3) Values have been determined through historical application and practice. For a more complete explanation, see page 272.
194
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Outside
Bore diameter Width Fillet radius1) Basic radial load rating Speed rating3)
Dynamic Static
MRC d D B ra rb ZD2 C2) C0 Grease Oil
bearing
number mm in. mm in. mm in. mm in. mm in. mm in. N lbf N lbf rpm rpm
1900RD 10 .3937 22 .8661 12 .4724 .30 .012 .10 .004 110 .17 5 070 1 140 3 100 697 61 000 88 000
1901RD 12 .4724 24 .9449 12 .4724 .30 .012 .10 .004 123 .19 5 270 1 180 3 550 798 55 000 80 000
1902RD 15 .5906 28 1.1024 14 .5512 .30 .012 .10 .004 187 .29 7 930 1 780 5 400 1 210 44 000 67 000
1903RD 17 .6693 30 1.1811 14 .5512 .30 .012 .10 .004 206 .32 8 710 1 960 6 100 1 370 41 000 62 000
1904RD 20 .7874 37 1.4567 18 .7087 .30 .012 .15 .006 400 .62 15 300 3 440 11 600 2 600 33 000 50 000
1905RD 25 .9843 42 1.6535 18 .7087 .30 .012 .15 .006 342 .53 12 400 2 790 10 800 2 430 30 000 42 000
1906RD 30 1.1811 47 1.8504 18 .7087 .30 .012 .15 .006 452 .70 15 900 3 580 14 300 3 210 26 000 38 000
1907RD 35 1.3780 55 2.1654 20 .7874 .64 .025 .15 .006 555 .86 18 200 4 090 18 000 4 050 20 000 31 000
1908RD 40 1.5748 62 2.4409 24 .9449 .64 .025 .15 .006 722 1.12 22 900 5 150 23 200 5 220 18 000 29 000
1909RD 45 1.7717 68 2.6772 24 .9449 .64 .025 .15 .006 806 1.25 24 700 5 550 26 500 5 960 17 000 25 000
1910RD 50 1.9685 72 2.8346 24 .9449 .64 .025 .15 .006 1 070 1.66 31 900 7 170 34 500 7 760 16 000 22 000
1911RD 55 2.1654 80 3.1496 26 1.0236 1.00 .040 .30 .012 1 260 1.95 37 100 8 340 40 500 9 100 14 000 22 000
1912RD 60 2.3622 85 3.3465 26 1.0236 1.00 .040 .30 .012 1 390 2.15 39 000 8 770 45 500 10 200 14 000 20 000
1913RD 65 2.5591 90 3.5433 26 1.0236 1.00 .040 .30 .012 1 450 2.25 39 700 8 920 48 000 10 800 12 000 18 000
1914RD 70 2.7559 100 3.9370 32 1.2598 1.00 .040 .30 .012 1 990 3.09 54 000 12 100 65 500 14 700 11 000 17 000
1915RD 75 2.9528 105 4.1339 32 1.2598 1.00 .040 .30 .012 2 080 3.23 55 900 12 600 68 000 15 300 11 000 16 000
1916RD 80 3.1496 110 4.3307 32 1.2598 1.00 .040 .30 .012 2 180 3.38 57 200 12 900 72 000 16 200 10 000 15 000
1917RD 85 3.3465 120 4.7244 36 1.4173 1.00 .040 .60 .024 2 840 4.40 74 100 16 700 93 000 20 900 9 600 14 000
1918RD 90 3.5433 125 4.9213 36 1.4173 1.00 .040 .60 .024 3 400 5.27 85 200 19 200 112 000 25 200 9 600 14 000
1919RD 95 3.7402 130 5.1181 36 1.4173 1.00 .040 .60 .024 3 090 4.79 76 100 17 100 104 000 23 400 8 800 13 000
1920RD 100 3.9370 140 5.5118 40 1.5748 1.00 .040 .60 .024 3 870 6.00 95 600 21 500 127 000 28 600 8 000 12 000
1921RD 105 4.1339 145 5.7087 40 1.5748 1.00 .040 .60 .024 4 030 6.25 97 500 21 900 134 000 30 100 8 000 11 000
1922RD 110 4.3307 150 5.9055 40 1.5748 1.00 .040 .60 .024 3 820 5.93 90 400 20 300 129 000 29 000 7 400 10 000
1924RD 120 4.7244 165 6.4961 44 1.7323 1.00 .040 .60 .024 5 100 7.91 121 000 27 200 170 000 38 200 6 600 9 600
1926RD 130 5.1181 180 7.0866 48 1.8898 1.50 .060 .60 .024 6 300 9.77 146 000 32 800 208 000 46 800 6 200 8 800
1928RD 140 5.5118 190 7.4803 48 1.8898 1.50 .060 .60 .024 6 580 10.20 156 000 35 100 220 000 49 500 5 900 8 800
1930RD 150 5.9055 210 8.2677 56 2.2047 2.00 .080 1.00 .040 9 090 14.10 203 000 45 600 300 000 67 400 5 100 7 600
1932RD 160 6.2992 220 8.6614 56 2.2047 2.00 .080 1.00 .040 9 420 14.60 208 000 46 800 315 000 70 800 4 800 7 200
1934RD 170 6.6929 230 9.0551 56 2.2047 2.00 .080 1.00 .040 10 200 15.80 216 000 48 600 340 000 76 400 4 400 6 700
1936RD 180 7.0866 250 9.8425 66 2.5984 2.00 .080 1.00 .040 12 800 19.90 276 000 62 000 425 000 95 600 4 100 6 200
1938RD 190 7.4803 260 10.2362 66 2.5984 2.00 .080 1.00 .040 13 400 20.70 281 000 63 200 440 000 98 900 4 100 6 200
1940RD 200 7.8740 280 11.0236 76 2.9921 2.00 .080 1.00 .040 16 800 26.00 351 000 78 900 550 000 124 000 3 700 5 800
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) Rating for one million revolutions or 500 hours at 331/3 rpm.
3) Values have been determined through historical application and practice. For a more complete explanation, see page 272.
195
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Outside
Bore diameter Width Fillet radius1) Basic radial load rating Speed rating3)
Dynamic Static
MRC d D B ra rb ZD2 C2) C0 Grease Oil
bearing
number mm in. mm in. mm in. mm in. mm in. mm in. N lbf N lbf rpm rpm
100KR 10 .3937 26 1.0236 8 .3150 .30 .012 .10 .004 181 .28 4 940 1 110 2 280 513 69 000 100 000
101KR 12 .4724 28 1.1024 8 .3150 .30 .012 .10 .004 206 .32 5 530 1 240 2 650 596 60 000 90 000
102KR 15 .5906 32 1.2598 9 .3543 .30 .012 .10 .004 226 .35 6 050 1 350 3 150 708 51 000 78 000
103KR 17 .6693 35 1.3780 10 .3937 .30 .012 .10 .004 342 .53 8 520 1 920 4 650 1 050 44 000 67 000
104KR 20 .7874 42 1.6535 12 .4724 .64 .025 .30 .012 445 .69 10 800 2 420 6 200 1 390 39 000 56 000
105KR 25 .9843 47 1.8504 12 .4724 .64 .025 .30 .012 522 .81 12 100 2 720 7 650 1 720 35 000 50 000
106KR 30 1.1811 55 2.1654 13 .5118 1.00 .040 .30 .012 716 1.11 15 600 3 500 10 600 2 380 28 000 42 000
107KR 35 1.3780 62 2.4409 14 .5512 1.00 .040 .30 .012 884 1.37 18 600 4 180 13 200 2 970 23 000 36 000
108KR 40 1.5748 68 2.6772 15 .5906 1.00 .040 .30 .012 942 1.46 19 500 4 380 14 600 3 280 22 000 34 000
109KR 45 1.7717 75 2.9528 16 .6299 1.00 .040 .30 .012 1 220 1.89 24 200 5 440 19 000 4 270 21 000 31 000
110KR 50 1.9685 80 3.1496 16 .6299 1.00 .040 .30 .012 1 300 2.01 25 100 5 640 20 400 4 590 20 000 28 000
111KR 55 2.1654 90 3.5433 18 .7087 1.00 .040 .60 .024 1 810 2.81 33 800 7 600 28 000 6 290 17 000 25 000
112KR 60 2.3622 95 3.7402 18 .7087 1.00 .040 .60 .024 1 920 2.97 35 100 7 890 30 000 6 740 15 000 22 000
113KR 65 2.5591 100 3.9370 18 .7087 1.00 .040 .60 .024 2 030 3.14 35 800 8 050 32 500 7 310 14 000 21 000
114KR 70 2.7559 110 4.3307 20 .7874 1.00 .040 .60 .024 2 470 3.83 42 300 9 510 40 000 8 990 14 000 20 000
115KR 75 2.9528 115 4.5276 20 .7874 1.00 .040 .60 .024 2 590 4.02 43 600 9 800 42 500 9 550 13 000 19 000
116KR 80 3.1496 125 4.9213 22 .8661 1.00 .040 .60 .024 3 390 5.25 55 900 12 600 54 000 12 100 12 000 18 000
117KR 85 3.3465 130 5.1181 22 .8661 1.00 .040 .60 .024 3 550 5.50 57 200 12 900 57 000 12 800 12 000 17 000
118KR 90 3.5433 140 5.5118 24 .9449 1.50 .060 .60 .024 4 280 6.64 68 900 15 500 68 000 15 300 11 000 16 000
119KR 95 3.7402 145 5.7087 24 .9449 1.50 .060 .60 .024 5 040 7.81 83 200 18 700 80 000 18 000 10 000 15 000
120KR 100 3.9370 150 5.9055 24 .9449 1.50 .060 .60 .024 4 700 7.28 71 500 16 100 76 500 17 200 10 000 14 000
121KR 105 4.1339 160 6.2992 26 1.0236 2.00 .080 1.00 .040 5 540 8.59 85 200 19 200 90 000 20 200 9 200 13 000
122KR 110 4.3307 170 6.6929 28 1.1024 2.00 .080 1.00 .040 6 400 9.93 99 500 22 400 102 000 23 000 8 700 13 000
124KR 120 4.7244 180 7.0866 28 1.1024 2.00 .080 1.00 .040 6 710 10.40 101 000 22 600 110 000 24 700 7 800 11 000
126KR 130 5.1181 200 7.8740 33 1.2992 2.00 .080 1.00 .040 9 350 14.50 138 000 31 000 150 000 33 700 7 400 11 000
128KR 140 5.5118 210 8.2677 33 1.2992 2.00 .080 1.00 .040 9 350 14.50 135 000 30 300 153 000 34 400 6 900 10 000
130KR 150 5.9055 225 8.8583 35 1.3780 2.00 .080 1.00 .040 10 800 16.80 156 000 35 000 176 000 39 600 6 000 9 000
132KR 160 6.2992 240 9.4488 38 1.4961 2.00 .080 1.00 .040 12 400 19.30 178 000 40 000 204 000 45 900 5 500 8 400
134KR 170 6.6929 260 10.2362 42 1.6535 2.00 .080 1.00 .040 15 300 23.70 212 000 47 700 245 000 55 100 5 100 7 800
136KR 180 7.0866 280 11.0236 46 1.8110 2.00 .080 1.00 .040 17 900 27.80 234 000 52 600 290 000 65 200 4 600 7 300
138KR 190 7.4803 290 11.4173 46 1.8110 2.00 .080 1.00 .040 18 800 29.10 242 000 54 400 305 000 68 600 4 600 7 300
140KR 200 7.8740 310 12.2047 51 2.0079 2.00 .080 1.00 .040 22 200 34.40 276 000 62 000 355 000 79 800 4 400 6 700
144KR 220 8.6614 340 13.3858 56 2.2047 2.50 .100 1.00 .040 30 400 47.20 345 000 77 600 480 000 108 000 4 100 6 200
148KR 240 9.4488 360 14.1732 56 2.2047 2.50 .100 1.00 .040 31 900 49.50 351 000 78 900 510 000 115 000 3 900 5 600
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) Rating for one million revolutions or 500 hours at 331/3 rpm.
3) Values have been determined through historical application and practice. For a more complete explanation, see page 272.
196
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Outside
Bore diameter Width Fillet radius1) Basic radial load rating Speed rating3)
Dynamic Static
MRC d D B ra rb ZD2 C2) C0 Grease Oil
bearing
number mm in. mm in. mm in. mm in. mm in. mm in. N lbf N lbf rpm rpm
100KRD 10 .3937 26 1.0236 16 .6299 .30 .012 .10 .004 181 .28 8.060 1 810 4 550 1 020 55 000 80 000
101KRD 12 .4724 28 1.1024 16 .6299 .30 .012 .10 .004 206 .32 8 840 1 990 5 300 1 190 48 000 72 000
102KRD 15 .5906 32 1.2598 18 .7087 .30 .012 .10 .004 226 .35 9 750 2 190 6 300 1 420 41 000 62 000
103KRD 17 .6693 35 1.3780 20 .7874 .30 .012 .10 .004 342 .53 13 800 3 100 9 300 2 090 35 000 54 000
104KRD 20 .7874 42 1.6535 24 .9449 .64 .025 .30 .012 445 .69 17 400 3 910 12 500 2 810 31 000 45 000
105KRD 25 .9843 47 1.8504 24 .9449 .64 .025 .30 .012 522 .81 19 500 4 380 15 300 3 440 28 000 40 000
106KRD 30 1.1811 55 2.1654 26 1.0236 1.00 .040 .30 .012 716 1.11 25 500 5 730 21 200 4 760 22 000 34 000
107KRD 35 1.3780 62 2.4409 28 1.1024 1.00 .040 .30 .012 884 1.37 30 200 6 790 26 500 5 960 18 000 29 000
108KRD 40 1.5748 68 2.6772 30 1.1811 1.00 .040 .30 .012 942 1.46 31 900 7 170 29 000 6 520 18 000 27 000
109KRD 45 1.7717 75 2.9528 32 1.2598 1.00 .040 .30 .012 1 220 1.89 39 000 8 770 37 500 8 430 17 000 25 000
110KRD 50 1.9685 80 3.1496 32 1.2598 1.00 .040 .30 .012 1 300 2.01 40 300 9 060 40 500 9 100 16 000 22 000
111KRD 55 2.1654 90 3.5433 36 1.4173 1.00 .040 .60 .024 1 810 2.81 55 300 12 400 56 000 12 600 14 000 20 000
112KRD 60 2.3622 95 3.7402 36 1.4173 1.00 .040 .60 .024 1 920 2.97 55 900 12 600 61 000 13 700 12 000 18 000
113KRD 65 2.5591 100 3.9370 36 1.4173 1.00 .040 .60 .024 2 030 3.14 58 500 13 200 64 000 14 400 11 000 17 000
114KRD 70 2.7559 110 4.3307 40 1.5748 1.00 .040 .60 .024 2 470 3.83 68 900 15 500 80 000 18 000 11 000 16 000
115KRD 75 2.9528 115 4.5276 40 1.5748 1.00 .040 .60 .024 2 590 4.02 70 200 15 800 85 000 19 100 10 000 15 000
116KRD 80 3.1496 125 4.9213 44 1.7323 1.00 .040 .60 .024 3 390 5.25 90 400 20 300 110 000 24 700 9 600 14 000
117KRD 85 3.3465 130 5.1181 44 1.7323 1.00 .040 .60 .024 3 550 5.50 92 300 20 700 116 000 26 100 9 600 14 000
118KRD 90 3.5433 140 5.5118 48 1.8898 1.50 .060 .60 .024 4 280 6.64 111 000 25 000 137 000 30 800 8 800 13 000
119KRD 95 3.7402 145 5.7087 48 1.8898 1.50 .060 .60 .024 5 040 7.81 135 000 30 300 160 000 36 000 8 000 12 000
120KRD 100 3.9370 150 5.9055 48 1.8898 1.50 .060 .60 .024 4 700 7.28 117 000 26 300 153 000 34 400 8 000 11 000
121KRD 105 4.1339 160 6.2992 52 2.0472 2.00 .080 1.00 .040 5 540 8.59 138 000 31 000 180 000 40 500 7 400 10 000
122KRD 110 4.3307 170 6.6929 56 2.2047 2.00 .080 1.00 .040 6 400 9.93 163 000 36 600 204 000 45 900 7 000 10 000
124KRD 120 4.7244 180 7.0866 56 2.2047 2.00 .080 1.00 .040 6 710 10.40 163 000 36 600 220 000 49 500 6 200 8 800
126KRD 130 5.1181 200 7.8740 66 2.5984 2.00 .080 1.00 .040 9 350 14.50 225 000 50 000 300 000 67 400 5 900 8 800
128KRD 140 5.5118 210 8.2677 66 2.5984 2.00 .080 1.00 .040 9 350 14.50 221 000 49 700 305 000 68 600 5 500 8 000
130KRD 150 5.9055 225 8.8583 70 2.7559 2.00 .080 1.00 .040 10 800 16.80 255 000 57 300 355 000 79 800 4 800 7 200
132KRD 160 6.2992 240 9.4488 76 2.9921 2.00 .080 1.00 .040 12 400 19.30 286 000 64 300 405 000 91 000 4 400 6 700
134KRD 170 6.6929 260 10.2362 84 3.3071 2.00 .080 1.00 .040 15 300 23.70 345 000 77 600 490 000 110 000 4 100 6 200
136KRD 180 7.0866 280 11.0236 92 3.6220 2.00 .080 1.00 .040 17 900 27.80 377 000 84 800 570 000 128 000 3 700 5 800
138KRD 190 7.4803 290 11.4173 92 3.6220 2.00 .080 1.00 .040 18 800 29.10 390 000 87 700 610 000 137 000 3 700 5 800
140KRD 200 7.8740 310 12.2047 102 4.0157 2.00 .080 1.00 .040 22 200 34.40 442 000 99 400 710 000 160 000 3 500 5 400
144KRD 220 8.6614 340 13.3858 112 4.4094 2.50 .100 1.00 .040 30 400 47.20 559 000 126 000 965 000 217 000 3 300 5 000
148KRD 240 9.4488 360 14.1732 112 4.4094 2.50 .100 1.00 .040 31 900 49.50 572 000 129 000 1 020 000 228 000 3 100 4 500
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) Rating for one million revolutions or 500 hours at 331/3 rpm.
3) Values have been determined through historical application and practice. For a more complete explanation, see page 272.
197
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Outside
Bore diameter Width Fillet radius1) Basic radial load rating Speed rating3)
Dynamic Static
MRC d D B ra rb ZD2 C2) C0 Grease Oil
bearing
number mm in. mm in. mm in. mm in. mm in. mm in. N lbf N lbf rpm rpm
200R 10 .3937 30 1.1811 9 .3543 .64 .025 .30 .012 284 .44 7 280 1 640 3 200 719 55 000 84 000
201R 12 .4724 32 1.2598 10 .3937 .64 .025 .30 .012 323 .50 8 190 1 840 3 900 877 51 000 78 000
202R 15 .5906 35 1.3780 11 .4331 .64 .025 .30 .012 406 .63 9 750 2 190 5 100 1 150 44 000 67 000
203R 17 .6693 40 1.5748 12 .4724 .64 .025 .30 .012 510 .79 12 100 2 730 6 550 1 470 39 000 56 000
204R 20 .7874 47 1.8504 14 .5512 1.00 .040 .60 .024 562 .87 13 300 2 990 7 800 1 750 35 000 50 000
205R 25 .9843 52 2.0472 15 .5906 1.00 .040 .60 .024 693 1.07 15 900 3 570 9 650 2 170 28 000 42 000
206R 30 1.1811 62 2.4409 16 .6299 1.00 .040 .60 .024 884 1.37 19 000 4 270 12 900 2 910 23 000 36 000
207R 35 1.3780 72 2.8346 17 .6693 1.00 .040 .60 .024 1 270 1.97 26 000 5 850 18 600 4 180 21 000 31 000
208R 40 1.5748 80 3.1496 18 .7087 1.00 .040 .60 .024 1 730 2.68 34 500 7 760 25 000 5 620 20 000 28 000
209R 45 1.7717 85 3.3465 19 .7480 1.00 .040 .60 .024 1 850 2.87 35 800 8 050 27 500 6 180 17 000 25 000
210R 50 1.9685 90 3.5433 20 .7874 1.00 .040 .60 .024 1 970 3.06 37 700 8 480 30 000 6 740 16 000 24 000
211R 55 2.1654 100 3.9370 21 .8268 1.50 .060 1.00 .040 2 860 4.43 54 000 12 100 41 500 9 330 14 000 21 000
212R 60 2.3622 110 4.3307 22 .8661 1.50 .060 1.00 .040 3 260 5.06 59 200 13 300 49 000 11 000 14 000 20 000
213R 65 2.5591 120 4.7244 23 .9055 1.50 .060 1.00 .040 3 780 5.86 58 500 13 200 55 000 12 400 12 000 18 000
214R 70 2.7559 125 4.9213 24 .9449 1.50 .060 1.00 .040 4 030 6.25 71 500 16 100 60 000 13 500 12 000 17 000
215R 75 2.9528 130 5.1181 25 .9843 1.50 .060 1.00 .040 4 880 7.56 85 200 19 200 72 000 16 200 11 000 16 000
216R 80 3.1496 140 5.5118 26 1.0236 2.00 .080 1.00 .040 5 180 8.04 90 400 20 300 78 000 17 500 10 000 15 000
217R 85 3.3465 150 5.9055 28 1.1024 2.00 .080 1.00 .040 6 170 9.56 104 000 23 400 93 000 20 900 10 000 14 000
218R 90 3.5433 160 6.2992 30 1.1811 2.00 .080 1.00 .040 7 410 11.50 124 000 27 900 108 000 24 300 8 700 13 000
219R 95 3.7402 170 6.6929 32 1.2598 2.00 .080 1.00 .040 7 900 12.30 133 000 29 900 118 000 26 500 8 300 12 000
220R 100 3.9370 180 7.0866 34 1.3386 2.00 .080 1.00 .040 9 070 14.10 146 000 32 800 134 000 30 100 7 800 11 000
221R 105 4.1339 190 7.4803 36 1.4173 2.00 .080 1.00 .040 10 300 16.00 168 000 37 800 153 000 34 400 7 400 11 000
222R 110 4.3307 200 7.8740 38 1.4961 2.00 .080 1.00 .040 11 700 18.10 182 000 40 900 170 000 38 200 6 900 10 000
224R 120 4.7244 215 8.4646 40 1.5748 2.00 .080 1.00 .040 13 000 20.20 199 000 44 700 193 000 43 300 6 400 9 500
226R 130 5.1181 230 9.0551 40 1.5748 2.50 .100 1.00 .040 15 500 24.00 221 000 49 600 232 000 52 200 6 000 9 000
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) Rating for one million revolutions or 500 hours at 331/3 rpm.
3) Values have been determined through historical application and practice. For a more complete explanation, see page 272.
198
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Outside
Bore diameter Width Fillet radius1) Basic radial load rating Speed rating3)
Dynamic Static
MRC d D B ra rb ZD2 C2) C0 Grease Oil
bearing
number mm in. mm in. mm in. mm in. mm in. mm in. N lbf N lbf rpm rpm
200RD 10 .3937 30 1.1811 18 .7087 .64 .025 .30 .012 284 .44 11 900 2 680 6 400 1 440 44 000 67 000
201RD 12 .4724 32 1.2598 20 .7874 .64 .025 .30 .012 323 .50 13 300 2 990 7 800 1 750 41 000 62 000
202RD 15 .5906 35 1.3780 22 .8661 .64 .025 .30 .012 406 .63 15 900 3 570 10 200 2 290 35 000 54 000
203RD 17 .6693 40 1.5748 24 .9449 .64 .025 .30 .012 510 .79 19 900 4 470 13 200 2 970 31 000 45 000
204RD 20 .7874 47 1.8504 28 1.1024 1.00 .040 .60 .024 562 .87 21 600 4 860 15 600 3 510 28 000 40 000
205RD 25 .9843 52 2.0472 30 1.1811 1.00 .040 .60 .024 693 1.07 26 000 5 850 19 300 4 340 22 000 34 000
206RD 30 1.1811 62 2.4409 32 1.2598 1.00 .040 .60 .024 884 1.37 30 700 6 900 26 000 5 850 18 000 29 000
207RD 35 1.3780 72 2.8346 34 1.3386 1.00 .040 .60 .024 1 270 1.97 42 300 9 570 37 500 8 430 17 000 25 000
208RD 40 1.5748 80 3.1496 36 1.4173 1.00 .040 .60 .024 1 730 2.68 55 900 12 600 50 000 11 200 16 000 22 000
209RD 45 1.7717 85 3.3465 38 1.4961 1.00 .040 .60 .024 1 850 2.87 58 500 13 200 55 000 12 400 14 000 20 000
210RD 50 1.9685 90 3.5433 40 1.5748 1.00 .040 .60 .024 1 970 3.06 60 500 13 600 60 000 13 500 13 000 19 000
211RD 55 2.1654 100 3.9370 42 1.6535 1.50 .060 1.00 .040 2 860 4.43 87 100 19 600 83 000 18 700 11 000 17 000
212RD 60 2.3622 110 4.3307 44 1.7323 1.50 .060 1.00 .040 3 260 5.06 95 600 21 500 98 000 22 000 11 000 16 000
213RD 65 2.5591 120 4.7244 46 1.8110 1.50 .060 1.00 .040 3 780 5.86 95 600 21 500 110 000 24 700 9 600 14 000
214RD 70 2.7559 125 4.9213 48 1.8898 1.50 .060 1.00 .040 4 030 6.25 117 000 26 300 120 000 27 000 9 600 14 000
215RD 75 2.9528 130 5.1181 50 1.9685 1.50 .060 1.00 .040 4 880 7.56 138 000 31 000 148 000 32 100 8 800 13 000
216RD 80 3.1496 140 5.5118 52 2.0472 2.00 .080 1.00 .040 5 180 8.04 153 000 34 400 156 000 35 100 8 000 12 000
217RD 85 3.3465 150 5.9055 56 2.2047 2.00 .080 1.00 .040 6 170 9.56 168 000 37 800 186 000 41 800 8 000 11 000
218RD 90 3.5433 160 6.2992 60 2.3622 2.00 .080 1.00 .040 7 410 11.50 203 000 45 600 216 000 48 600 7 000 10 000
219RD 95 3.7402 170 6.6929 64 2.5197 2.00 .080 1.00 .040 7 900 12.30 216 000 48 600 236 000 53 100 6 600 9 600
220RD 100 3.9370 180 7.0866 68 2.6772 2.00 .080 1.00 .040 9 070 14.10 238 000 53 500 270 000 60 700 6 200 8 800
221RD 105 4.1339 190 7.4803 72 2.8346 2.00 .080 1.00 .040 10 300 16.00 270 000 60 700 305 000 68 600 5 900 8 800
222RD 110 4.3307 200 7.8740 76 2.9921 2.00 .080 1.00 .040 11 700 18.10 296 000 66 500 340 000 76 400 5 500 8 000
224RD 120 4.7244 215 8.4646 80 3.1496 2.00 .080 1.00 .040 13 000 20.20 325 000 73 100 390 000 87 700 5 100 7 600
226RD 130 5.1181 230 9.0551 80 3.1496 2.50 .100 1.00 .040 15 500 24.00 358 000 80 500 465 000 105 000 4 800 7 200
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) Rating for one million revolutions or 500 hours at 331/3 rpm.
3) Values have been determined through historical application and practice. For a more complete explanation, see page 272.
199
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Outside
Bore diameter Width Fillet radius1) Basic radial load rating Speed rating3)
Dynamic Static
MRC d D B ra rb ZD2 C2) C0 Grease Oil
bearing
number mm in. mm in. mm in. mm in. mm in. mm in. N lbf N lbf rpm rpm
300R 10 .3937 35 1.3780 11 .4331 1.0 .04 .60 .024 439 .68 10 500 2 360 4 550 1 020 46 000 73 000
301R 12 .4724 37 1.4567 12 .4724 1.0 .04 .60 .024 439 .68 10 600 2 380 4 900 1 100 44 000 67 000
302R 15 .5906 42 1.6535 13 .5118 1.0 .04 .60 .024 510 .79 12 100 2 720 6 550 1 470 39 000 56 000
303R 17 .6693 47 1.8504 14 .5512 1.0 .04 .60 .024 632 .98 14 800 3 330 8 150 1 830 37 000 53 000
304R 20 .7874 52 2.0472 15 .5906 1.0 .04 .60 .024 909 1.41 20 300 4 560 11 400 2 560 30 000 45 000
305R 25 .9843 62 2.4409 17 .6693 1.0 .04 .60 .024 1 090 1.69 23 400 5 260 15 300 3 440 25 000 39 000
306R 30 1.1811 72 2.8346 19 .7480 1.0 .04 .60 .024 1 480 2.30 31 200 7 010 20 000 4 500 21 000 31 000
307R 35 1.3780 80 3.1496 21 .8268 1.5 .06 1.00 .040 1 940 3.00 39 700 8 920 26 000 5 850 20 000 28 000
308R 40 1.5748 90 3.5433 23 .9055 1.5 .06 1.00 .040 2 450 3.80 48 800 11 000 33 500 7 530 17 000 25 000
309R 45 1.7717 100 3.9370 25 .9843 1.5 .06 1.00 .040 3 030 4.69 58 500 13 200 40 500 9 100 15 000 22 000
310R 50 1.9685 110 4.3307 27 1.0630 2.0 .08 1.00 .040 3 990 6.19 76 100 17 100 52 000 11 700 14 000 21 000
311R 55 2.1654 120 4.7244 29 1.1417 2.0 .08 1.00 .040 4 690 7.26 88 400 19 900 61 000 13 700 13 000 19 000
312R 60 2.3622 130 5.1181 31 1.2205 2.0 .08 1.00 .040 5 430 8.42 101 000 22 700 71 000 16 000 12 000 17 000
313R 65 2.5591 140 5.5118 33 1.2992 2.0 .08 1.00 .040 5 930 9.19 108 000 24 300 80 000 18 000 11 000 16 000
314R 70 2.7559 150 5.9055 35 1.3780 2.0 .08 1.00 .040 6 770 10.50 121 000 27 200 93 000 20 900 10 000 15 000
315R 75 2.9528 160 6.2992 37 1.4567 2.0 .08 1.00 .040 8 390 13.00 146 000 32 800 114 000 25 600 9 900 14 000
316R 80 3.1496 170 6.6929 39 1.5354 2.0 .08 1.00 .040 9 480 14.70 159 000 35 700 129 000 29 000 8 700 13 000
317R 85 3.3465 180 7.0866 41 1.6142 2.5 .10 1.00 .040 10 600 16.50 174 000 39 100 146 000 32 800 8 300 12 000
318R 90 3.5433 190 7.4803 43 1.6929 2.5 .10 1.00 .040 11 800 18.30 186 000 41 800 160 000 36 000 7 800 11 000
319R 95 3.7402 200 7.8740 45 1.7717 2.5 .10 1.00 .040 13 100 20.30 199 000 44 700 180 000 40 500 7 400 11 000
320R 100 3.9370 215 8.4646 47 1.8504 2.5 .10 1.00 .040 14 400 22.40 212 000 47 700 200 000 45 000 6 900 10 000
321R 105 4.1339 225 8.8583 49 1.9291 2.5 .10 1.00 .040 15 900 24.60 229 000 51 500 204 000 45 900 6 400 9 500
322R 110 4.3307 240 9.4488 50 1.9685 2.5 .10 1.00 .040 18 800 29.20 255 000 57 300 255 000 57 300 6 000 9 000
324R 120 4.7244 260 10.2362 55 2.1654 2.5 .10 1.00 .040 22 100 34.30 265 000 59 600 300 000 67 400 5 800 8 400
326R 130 5.1181 280 11.0236 58 2.2835 3.0 .12 1.00 .040 25 700 39.80 296 000 66 500 345 000 77 600 5 300 7 800
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) Rating for one million revolutions or 500 hours at 331/3 rpm.
3) Values have been determined through historical application and practice. For a more complete explanation, see page 272.
200
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Outside
Bore diameter Width Fillet radius1) Basic radial load rating Speed rating3)
Dynamic Static
MRC d D B ra rb ZD2 C2) C0 Grease Oil
bearing
number mm in. mm in. mm in. mm in. mm in. mm in. N lbf N lbf rpm rpm
300RD 10 .3937 35 1.3780 22 .8661 1.0 .04 .60 .024 439 .68 17 200 3 870 9 150 2 060 37 000 58 000
301RD 12 .4724 37 1.4567 24 .9449 1.0 .04 .60 .024 439 .68 17 200 3 870 9 800 2 200 35 000 54 000
302RD 15 .5906 42 1.6535 26 1.0236 1.0 .04 .60 .024 510 .79 19 900 4 470 13 200 2 970 31 000 45 000
303RD 17 .6693 47 1.8504 28 1.1024 1.0 .04 .60 .024 632 .98 24 200 5 440 16 300 3 660 30 000 42 000
304RD 20 .7874 52 2.0472 30 1.1811 1.0 .04 .60 .024 909 1.41 33 200 7 460 22 800 5 130 24 000 36 000
305RD 25 .9843 62 2.4409 34 1.3386 1.0 .04 .60 .024 1 090 1.69 37 700 8 480 30 500 6 860 20 000 31 000
306RD 30 1.1811 72 2.8346 38 1.4961 1.0 .04 .60 .024 1 480 2.30 50 700 11 400 40 000 8 990 17 000 25 000
307RD 35 1.3780 80 3.1496 42 1.6535 1.5 .06 1.00 .040 1 940 3.00 65 000 14 600 52 000 11 700 16 000 22 000
308RD 40 1.5748 90 3.5433 46 1.8110 1.5 .06 1.00 .040 2 450 3.80 79 300 17 800 67 000 15 100 14 000 20 000
309RD 45 1.7717 100 3.9370 50 1.9685 1.5 .06 1.00 .040 3 030 4.69 95 600 21 500 81 500 18 300 12 000 18 000
310RD 50 1.9685 110 4.3307 54 2.1260 2.0 .08 1.00 .040 3 990 6.19 124 000 27 900 104 000 23 400 11 000 17 000
311RD 55 2.1654 120 4.7244 58 2.2835 2.0 .08 1.00 .040 4 690 7.26 143 000 32 100 122 000 27 400 10 000 15 000
312RD 60 2.3622 130 5.1181 62 2.4409 2.0 .08 1.00 .040 5 430 8.42 165 000 37 100 143 000 32 100 9 600 14 000
313RD 65 2.5591 140 5.5118 66 2.5984 2.0 .08 1.00 .040 5 930 9.19 174 000 39 100 160 000 36 000 8 800 13 000
314RD 70 2.7559 150 5.9055 70 2.7559 2.0 .08 1.00 .040 6 770 10.50 195 000 43 800 186 000 41 800 8 000 12 000
315RD 75 2.9528 160 6.2992 74 2.9134 2.0 .08 1.00 .040 8 390 13.00 238 000 53 500 228 000 51 300 8 000 11 000
316RD 80 3.1496 170 6.6929 78 3.0709 2.0 .08 1.00 .040 9 480 14.70 260 000 58 500 260 000 58 500 7 000 10 000
317RD 85 3.3465 180 7.0866 82 3.2283 2.5 .10 1.00 .040 10 600 16.50 281 000 63 200 290 000 65 200 6 600 9 600
318RD 90 3.5433 190 7.4803 86 3.3858 2.5 .10 1.00 .040 11 800 18.30 302 000 67 900 320 000 71 900 6 200 8 800
319RD 95 3.7402 200 7.8740 90 3.5433 2.5 .10 1.00 .040 13 100 20.30 325 000 73 100 360 000 80 900 5 900 8 800
320RD 100 3.9370 215 8.4646 94 3.7008 2.5 .10 1.00 .040 14 400 22.40 345 000 77 600 400 000 89 900 5 500 8 000
321RD 105 4.1339 225 8.8583 98 3.8583 2.5 .10 1.00 .040 15 900 24.60 371 000 83 400 405 000 91 000 5 100 7 600
322RD 110 4.3307 240 9.4488 100 3.9370 2.5 .10 1.00 .040 18 800 29.20 416 000 93 500 510 000 115 000 4 800 7 200
324RD 120 4.7244 260 10.2362 110 4.3307 2.5 .10 1.00 .040 22 100 34.30 436 000 98 000 600 000 135 000 4 600 6 700
326RD 130 5.1181 280 11.0236 116 4.5669 3.0 .12 1.00 .040 25 700 39.80 475 000 107 000 695 000 156 000 4 200 6 200
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) Rating for one million revolutions or 500 hours at 331/3rpm.
3) Values have been determined through historical application and practice. For a more complete explanation, see page 272.
201
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General information
Ball bearings manufactured specifically for the
woodworking industry often carry special
specifications in order to meet the require-
ments of both high speed and accuracy. As a
result of actively participating in this market
for many years, MRC has designed a line of
deep groove ball bearings that meet the special
needs of the woodworking industry. They are
high precision bearings with carefully control-
Bakelite Brass Polyamide
led internal characteristics, providing very
good shaft rigidity and precise control of axial
and radial runout.
The bearings are available with Bakelite
(phenolic), pressed brass, or glass reinforced
polyamide cages, as illustrated at left.
Bearing identification
Example of marking on MRC bearing box: 207S-BRS#5 C2
Identification of marking
2 07 S BRS #5 C2
Series
Bore size
Single-row deep groove
Cage material
BRS = brass
BKE = Bakelite
NYL = polyamide
Precision class ABEC-5
Internal radial clearance
C2 = tight
C0 = standard
C3 = loose
202
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60° 60°
The MRC ball screw support bearing is a These ball screw support bearings are
single-row angular contact nonseparable designed for use in numerically controlled
bearing with one heavy race shoulder and machine tools where standard angular con-
one counterbored race shoulder on the outer tact bearings or roller bearings cannot deliver
ring. The inner ring is similar in design having the rigidity levels required. The 60° contact
a counterbored race shoulder. angle contributes to maximum axial rigidity
Construction and ring design permit a and gives very stiff screw support to maintain
greater number of balls than the standard the accuracy of the ball screw.
angular contact types, and result in a very
high thrust load-carrying capacity. The 60° Cage types and materials
initial contact angle provides maximum axial One-piece molded polyamide, ball-riding
rigidity. As heavy thrust must be taken in both cages are supplied with ball screw support
directions, these angular contact bearings are bearings.
mounted in duplex pairs. For even stiffer
screw support, the bearings can be mounted
in quadruple sets.
These bearings are made in ABEC-7
tolerance grade only. Inner and outer rings
and balls are of AISI 52100 steel. Retainers
are a ball-riding type of molded polyamide
composition.
203
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B B
ra ra
ra ra
60° 60°
D d D d
J078DF 20.000 .7874 47.000 1.8504 31.750 1.2500 .80 .031 .003 .0001 12 100 2 720 10 000 2 250
J093DF 23.838 .9385 62.000 2.4409 31.750 1.2500 .80 .031 .003 .0001 13 800 3 100 13 700 3 080
J098DF 25.000 .9843 62.000 2.4409 31.750 1.2500 .80 .031 .003 .0001 13 800 3 100 13 700 3 080
J150DF 38.100 1.5000 72.000 2.8346 31.750 1.2500 .80 .031 .003 .0001 14 600 3 280 15 300 3 440
J175DF 44.475 1.7510 76.200 3.0000 31.750 1.2500 .80 .031 .003 .0001 15 100 3 390 16 600 3 730
J225DF 57.150 2.2500 90.000 3.5433 31.750 1.2500 .80 .031 .003 .0001 16 300 3 660 20 000 4 500
J300DF 76.200 3.0000 110.000 4.3307 31.750 1.2500 .80 .031 .003 .0001 17 800 4 000 25 500 5 730
J400DF 101.600 4.0000 145.000 5.7087 44.450 1.7500 1.00 .040 .003 .0001 36 400 8 180 52 000 11 700
Quadruplex sets
J078DFDT 20.000 .7874 47.000 1.8504 63.500 2.5000 .80 .031 .003 .0001 19 500 4 380 20 000 4 500
J093DFDT 23.838 .9385 62.000 2.4409 63.500 2.5000 .80 .031 .003 .0001 22 500 5 060 26 500 5 960
J098DFDT 25.000 .9843 62.000 2.4409 63.500 2.5000 .80 .031 .003 .0001 22 500 5 060 26 500 5 960
J150DFDT 38.100 1.5000 72.000 2.8346 63.500 2.5000 .80 .031 .003 0001 23 800 5 350 30 500 6 860
J175DFDT 44.475 1.7510 76.200 3.0000 63.500 2.5000 .80 .031 .003 .0001 24 700 5 550 33 500 7 530
J225DFDT 57.150 2.2500 90.000 3.5433 63.500 2.5000 .80 .031 .003 .0001 26 500 5 960 40 000 8 990
J300DFDT 76.200 3.0000 110.000 4.3307 63.500 2.5000 .80 .031 .003 .0001 29 100 6 540 51 000 11 500
J400DFDT 101.600 4.0000 145.000 5.7087 88.900 3.5000 1.00 .040 .003 .0001 59 200 13 300 104 000 23 400
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) For thrust rating multiply C by 1.70 and CO by 4.00.
3) Rating for one million revolutions or 500 hours at 331/3 rpm.
204
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Specialty bearings
Adapter Conveyor Dynamometer Electric motor Felt seal Mast guide Wide inner ring
quality replacement
Type Page
Adapter 206
Dynamometer 207
Electric motor quality/ ABMA cross reference 209
Felt seal replacement 224
Mast guide 228
Wide inner ring 231
205
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Adapter-type bearings
tapered bore
11/8 13/16 207SZZX 72 2.8346 17 .6693 1.0 .04 SNW7 1 140 1.76 27 000 6 070 15 300 3 440 — — 6 300
17/16 209SZZX 85 3.3465 19 .7480 1.0 .04 SNW9 1 640 2.54 36 400 8 180 22 800 5 130 — — 5 000
13/4 210SX 90 3.5433 20 .7874 1.0 .04 SNW10 1 610 2.50 35 100 7 890 23 200 5 210 7 000 8 500 4 800
115/16 211SX 100 3.9370 21 .8268 1.5 .06 SNW11 2 040 3.16 43 600 9 800 30 000 6 740 6 300 7 500 4 300
21/16 212SZZX 110 4.3307 22 .8661 1.5 .06 SNW12 2 520 3.91 47 500 10 700 32 500 7 310 — — 4 000
27/16 215SZZX 130 5.1181 25 .9843 1.5 .06 SNW15 3 350 5.20 66 300 14 900 49 000 11 000 — — 3 200
3 217SZZX 150 5.9055 28 1.1024 2.0 .08 SNW17 4 260 6.60 83 200 18 700 64 000 14 400 — — 2 800
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) Listed values are for pressed steel or polyamide cage, ABEC-1.
The values have been determined through historical application and practice. For a more complete explanation, see page 272.
3) Rating for one million revolutions or 500 hours at 331/3 rpm.
206
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Dynamometer bearings
For several years, MRC has supplied specially opposite the high point of eccentricity meas-
designed bearings for dynamometer applica- ured at the shaft journal. If the bearings are
tions. These bearings are manufactured with grease lubricated, they should be carefully
the following characteristics. hand packed prior to installation to make sure
• ABEC-5 inner ring tolerances. that grease is worked into the close running
• Inner ring eccentricity value, not to exceed clearance between the O.D. of the inner ring
0.0005˝, marked on the inner ring face at and the I.D. of the separator.
the location of maximum lateral runout.
• Special internal radial clearance. Dynamometer bearing
• Special “E” grade balls.
• High speed, lightweight, inner ring land-
identification 3 16 R DM - BKE
guided phenolic (Bakelite) separators. Series (300)
These bearings were developed to minimize
Bore diameter code (80 mm)
operating temperatures, noise and vibration
in dynamometer applications. To achieve best “R” type, single-row, maximum capacity
results, the value of eccentricity marked on
Special dynamometer quality features
the inner ring face should be aligned 180°
Phenolic (Bakelite) separator
300RDM series
ra B 300RDM series dynamometer bearings are
rb
made with bore diameters ranging from 35 mm
ra ra
to 160 mm. These bearings are recommended
for high speed dynamometers or any applica-
15°
tion involving moderate to heavy radial loads,
D d
moderate thrust loads in one direction, or for
combinations of both.
Outside
diameter Width Fillet radius1) Basic radial load rating Speed rating2)
307RDM4) 35 1.3780 80 3.1496 21 .8268 1.5 .06 1.0 .040 1 940 3.00 39 000 8 770 26 000 5 850 19 500 28 000
309RDM4) 45 1.7717 100 3.9370 25 .9843 1.5 .06 1.0 .040 3 030 4.69 58 500 13 200 40 500 9 100 15 400 22 400
310RDM4) 50 1.9685 110 4.3307 27 1.0630 2.0 .08 1.0 .040 4 350 6.75 80 600 18 100 57 000 12 800 14 500 21 000
311RDM4) 55 2.1654 120 4.7244 29 1.1417 2.0 .08 1.0 .040 5 110 7.92 93 600 21 000 67 000 15 100 12 900 18 700
312RDM4) 60 2.3622 130 5.1181 31 1.2205 2.0 .08 1.0 .040 5 930 9.19 108 000 24 300 78 000 17 500 11 500 16 800
313RDM4) 65 2.5591 140 5.5118 33 1.2992 2.0 .08 1.0 .040 6 900 10.70 121 000 27 200 93 000 20 900 11 000 15 700
315RDM 75 2.9528 160 6.2992 37 1.4567 2.0 .08 1.0 .040 9 050 14.00 153 000 34 400 122 000 27 400 9 900 14 000
316RDM 80 3.1496 170 6.6929 39 1.5354 2.0 .08 1.0 .040 9 480 14.70 159 000 35 700 129 000 29 000 8 700 12 600
318RDM 90 3.5433 190 7.4803 43 1.6929 2.5 .10 1.0 .040 11 800 18.30 185 000 41 600 160 000 36 000 7 800 11 200
320RDM 100 3.9370 215 8.4646 47 1.8504 2.5 .10 1.0 .040 14 400 22.40 212 000 47 700 200 000 45 000 6 900 10 100
321RDM4) 105 4.1339 225 8.8583 49 1.9291 2.5 .10 1.0 .040 15 900 24.60 229 000 51 500 204 000 45 900 6 400 9 500
322RDM4) 110 4.3307 240 9.4488 50 1.9685 2.5 .10 1.0 .040 18 800 29.20 255 000 57 300 255 000 57 300 6 000 9 000
324RDM4) 120 4.7244 260 10.2352 55 2.1654 2.5 .10 1.0 .040 22 100 34.30 265 000 59 600 300 000 67 400 6 000 8 400
326RDM4) 130 5.1181 280 11.0236 58 2.2835 3.0 .12 1.0 .040 25 700 39.80 296 000 66 500 345 000 77 600 5 300 7 800
328RDM4) 140 5.5118 300 11.8110 62 2.4409 3.0 .12 1.0 .040 29 500 45.70 351 000 78 900 400 000 89 900 4 800 7 300
330RDM4) 150 5.9055 320 12.5984 65 2.5591 3.0 .12 1.0 .040 33 900 52.60 390 000 87 700 475 000 107 000 4 600 6 700
332RDM4) 160 6.2992 340 13.3853 68 2.6772 3.0 .12 1.0 .040 38 400 59.60 423 000 95 100 530 000 119 000 4 100 6 200
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) Listed values are for inner ring land guided, phenolic composition cage.
The values have been determined through historical application and practice. For a more complete explanation, see page 272.
3) Rating for one million revolutions or 500 hours at 331/3 rpm.
4) Typically non-stocked sizes, please check availability before designing into equipment.
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ABMA Number Bearing size ABMA Number Bearing size ABMA Number Bearing size
8BIC00X30 R8 15BC02XXXG30 202SG 15BC32XPP30 202SFFC
8BIC10XD30 R8Z 15BC03X30 302S 15BC32XPPG30 202SFFCG
8BIC10XDD30 R8ZZ 15BC03XD30 302SZ 15BC33XDD30 302SZZC
8BIC10XP30 R8F 15BC03XDD30 302SZZ 15BC33XDDG30 302SZZCG
8BIC10XPP30 R8FF 15BC03XDDG30 302SZZG 15BC33XPP30 302SFFC
10BIC10X30 R10 15BC03XDXG30 302SZG 15BC33XPPG30 302SFFCG
10BIC10XD30 R10Z 15BC03XP30 302SF 16BIC10X30 R16
10BIC10XDD30 R10ZZ 15BC03XPP30 302SFF 16BIC10XD30 R16Z
10BIC10XP30 R10F 15BC03XPPG30 302SFFG 16BIC10XDD30 R16ZZ
10BIC10XPP30 R10FF 15BC03XPXG30 302SFG 16BIC10XP30 R16F
12BIC10X30 R12 15BC03XXXG30 302SG 16BIC10XPP30 R16FF
12BIC10XD30 R12Z 15BC10X30 102KS 17BC02X30 203S
12BIC10XDD30 R12ZZ 15BC10XD30 102KSZ 17BC02XD30 203SZ
12BIC10XP30 R12F 15BC10XDD30 102KSZZ 17BC02XDD30 203SZZ
12BIC10XPP30 R12FF 15BC10XDDG30 102KSZZG 17BC02XDDG30 203SZZG
14BIC10X30 R14 15BC10XDXG30 102KSZG 17BC02XDXG30 203SZG
14BIC10XD30 R14Z 15BC10XPP30 102KSFF 17BC02XP30 203SF
14BIC10XDD30 R14ZZ 15BC10XP30 102KSF 17BC02XPP30 203SFF
14BIC10XP30 R14F 15BC10XPPG30 102KSFFG 17BC02XPXG30 203SFG
14BIC10XPP30 R14FF 15BC10XPXG30 102KSFG 17BC02XPPG30 203SFFG
15BC02X30 202S 15BC10XXXG30 102KSG 17BC02XXXG30 203SG
15BC02XD30 202SZ 15BC19X30 1902S 17BC03X30 303S
15BC02XDD30 202SZZ 15BC19XD30 1902SZ 17BC03XD30 303SZ
15BC02XDDG30 202SZZG 15BC19XDD30 1902SZZ 17BC03XDD30 303SZZ
15BC02XDXG30 202SZG 15BC19XP30 1902SF 17BC03XDDG30 303SZZG
15BC02XP30 202SF 15BC19XPP30 1902SFF 17BC03XDXG30 303SZG
15BC02XPP30 202SFF 15BC32XDD30 202SZZC 17BC03XP30 303SF
15BC02XPPG30 202SFFG 15BC32XDDG30 202SZZCG 17BC03XPP30 303SFF
15BC02XPXG30 202SFG
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ABMA Number Bearing size ABMA Number Bearing size ABMA Number Bearing size
17BC03XPPG30 303SFFG 17BC33XDDG30 303SZZCG 20BC04X30 404S
17BC03XPXG30 303SFG 17BC33XPP30 303SFFC 20BC04XD30 404SZ
17BC03XXXG30 303SG 17BC33XPPG30 303SFFCG 20BC04XDD30 404SZZ
17BC04X30 403S 18BIC10X30 R18 20BC04XP30 404SF
17BC04XD30 403SZ 18BIC10XD30 R18Z 20BC04XPP30 404SFF
17BC04XDD30 403SZZ 18BIC10XDD30 R18ZZ 20BC10X30 104KS
17BC04XP30 403SF 18BIC10XP30 R18F 20BC10XD30 104KSZ
17BC04XPP30 403SFF 18BIC10XPP30 R18FF 20BC10XDD30 104KSZZ
17BC10X30 103KS 20BC02X30 204S 20BC10XDDG30 104KSZZG
17BC10XD30 103KSZ 20BC02XD30 204SZ 20BC10XDXG30 104KSZG
17BC10XDD30 103KSZZ 20BC02XDD30 204SZZ 20BC10XP30 104KSF
17BC10XDDG30 103KSZZG 20BC02XDDG30 204SZZG 20BC10XPP30 104KSFF
17BC10XDXG30 103KSZG 20BC02XDXG30 204SZG 20BC10XPPG30 104KSFFG
17BC10XP30 103KSF 20BC02XP30 204SF 20BC10XPXG30 104KSFG
17BC10XPP30 103KSFF 20BC02XPP30 204SFF 20BC10XXXG30 104KSG
17BC10XPPG30 103KSFFG 20BC02XPPG30 204SFFG 20BC19X30 1904S
17BC10XPXG30 103KSFG 20BC02XPXG30 204SFG 20BC19XD30 1904SZ
17BC10XXXG30 103KSG 20BC02XXXG30 204SG 20BC19XDD30 1904SZZ
17BC19X30 1903S 20BC03X30 304S 20BC19XP30 1904SF
17BC19XD30 1903SZ 20BC03XD30 304SZ 20BC19XPP30 1904SFF
17BC19XDD30 1903SZZ 20BC03XDD30 304SZZ 20BC32XDD30 204SZZC
17BC19XP30 1903SF 20BC03XDDG30 304SZZG 20BC32XDDG30 204SZZCG
17BC19XPP30 1903SFF 20BC03XDXG30 304SZG 20BC32XPP30 204SFFC
17BC32XDD30 203SZZC 20BC03XP30 304SF 20BC32XPPG30 204SFFCG
17BC32XDDG30 203SZZCG 20BC03XPP30 304SFF 20BC33XDD30 304SZZC
17BC32XPP30 203SFFC 20BC03XPPG30 304SFFG 20BC33XDDG30 304SZZCG
17BC32XPPG30 203SFFCG 20BC03XPXG30 304SFG 20BC33XPP30 304SFFC
17BC33XDD30 303SZZC 20BC03XXXG30 304SG 20BC33XPPG30 304SFFCG
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ABMA Number Bearing size ABMA Number Bearing size ABMA Number Bearing size
20BIC10X30 R20 25BC03XPXG30 305SFG 25BC33XPP30 305SFFC
20BIC10XD30 R20Z 25BC03XXXG30 305SG 25BC33XPPG30 305SFFCG
20BIC10XDD30 R20ZZ 25BC04X30 405S 30BC02X30 206S
20BIC10XP30 R20F 25BC04XD30 405SZ 30BC02XD30 206SZ
20BIC10XPP30 R20FF 25BC04XDD30 405SZZ 30BC02XDD30 206SZZ
24BIC10X30 R24 25BC04XP30 405SF 30BC02XDDG30 206SZZG
24BIC10XD30 R24Z 25BC04XPP30 405SFF 30BC02XDXG30 206SZG
24BIC10XDD30 R24ZZ 25BC10X30 105KS 30BC02XP30 206SF
24BIC10XP30 R24F 25BC10XD30 105KSZ 30BC02XPP30 206SFF
24BIC10XPP30 R24FF 25BC10XDD30 105KSZZ 30BC02XPPG30 206SFFG
25BC02X30 205S 25BC10XDDG30 105KSZZG 30BC02XPXG30 206SFG
25BC02XD30 205SZ 25BC10XDXG30 105KSZG 30BC02XXXG30 206SG
25BC02XDD30 205SZZ 25BC10XP30 105KSF 30BC03X30 306S
25BC02XDDG30 205SZZG 25BC10XPP30 105KSFF 30BC03XD30 306SZ
25BC02XDXG30 205SZG 25BC10XPPG30 105KSFFG 30BC03XDD30 306SZZ
25BC02XP30 205SF 25BC10XPXG30 105KSFG 30BC03XDDG30 306SZZG
25BC02XPP30 205SFF 25BC10XXXG30 105KSG 30BC03XDXG30 306SZG
25BC02XPPG30 205SFFG 25BC19X30 1905S 30BC03XP30 306SF
25BC02XPXG30 205SFG 25BC19XD30 1905SZ 30BC03XPP30 306SFF
25BC02XXXG30 205SG 25BC19XDD30 1905SZZ 30BC03XPPG30 306SFFG
25BC03X30 305S 25BC19XP30 1905SF 30BC03XPXG30 306SFG
25BC03XD30 305SZ 25BC19XPP30 1905SFF 30BC03XXXG30 306SG
25BC03XDD30 305SZZ 25BC32XDD30 205SZZC 30BC04X30 406S
25BC03XDDG30 305SZZG 25BC32XDDG30 205SZZCG 30BC04XD30 406SZ
25BC03XDXG30 305SZG 25BC32XPP30 205SFFC 30BC04XDD30 406SZZ
25BC03XP30 305SF 25BC32XPPG30 205SFFCG 30BC04XP30 406SF
25BC03XPP30 305SFF 25BC33XDD30 305SZZC 30BC04XPP30 406SFF
25BC03XPPG30 305SFFG 25BC33XDDG30 305SZZCG 30BC10X30 106KS
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ABMA Number Bearing size ABMA Number Bearing size ABMA Number Bearing size
30BC10XD30 106KSZ 35BC02XPP30 207SFF 35BC10XXXG30 107KSG
30BC10XDD30 106KSZZ 35BC02XPPG30 207SFFG 35BC19X30 1907S
30BC10XDDG30 106KSZZG 35BC02XPXG30 207SFG 35BC19XD30 1907SZ
30BC10XDXG30 106KSZG 35BC02XXXG30 207SG 35BC19XDD30 1907SZZ
30BC10XP30 106KSF 35BC03X30 307S 35BC19XP30 1907SF
30BC10XPP30 106KSFF 35BC03XD30 307SZ 35BC19XPP30 1907SFF
30BC10XPPG30 106KSFFG 35BC03XDD30 307SZZ 35BC32XDD30 207SZZC
30BC10XPXG30 106KSFG 35BC03XDDG30 307SZZG 35BC32XDDG30 207SZZCG
30BC10XXXG30 106KSG 35BC03XDXG30 307SZG 35BC32XPP30 207SFFC
30BC19X30 1906S 35BC03XP30 307SF 35BC32XPPG30 207SFFCG
30BC19XD30 1906SZ 35BC03XPP30 307SFF 35BC33XDD30 307SZZC
30BC19XDD30 1906SZZ 35BC03XPPG30 307SFFG 35BC33XDDG30 307SZZCG
30BC19XP30 1906SF 35BC03XPXG30 307SFG 35BC33XPP30 307SFFC
30BC19XPP30 1906SFF 35BC03XXXG30 307SG 35BC33XPPG30 307SFFCG
30BC32XDD30 206SZZC 35BC04X30 407S 40BC02X30 208S
30BC32XDDG30 206SZZCG 35BC04XD30 407SZ 40BC02XD30 208SZ
30BC32XPP30 206SFFC 35BC04XDD30 407SZZ 40BC02XDD30 208SZZ
30BC32XPPG30 206SFFCG 35BC04XP30 407SF 40BC02XDDG30 208SZZG
30BC33XDD30 306SZZC 35BC04XPP30 407SFF 40BC02XDXG30 208SZG
30BC33XDDG30 306SZZCG 35BC10X30 107KS 40BC02XP30 208SF
30BC33XPP30 306SFFC 35BC10XD30 107KSZ 40BC02XPP30 208SFF
30BC33XPPG30 306SFFCG 35BC10XDD30 107KSZZ 40BC02XPPG30 208SFFG
35BC02X30 207S 35BC10XDDG30 107KSZZG 40BC02XPXG30 208SFG
35BC02XD30 207SZ 35BC10XDXG30 107KSZG 40BC02XXXG30 208SG
35BC02XDD30 207SZZ 35BC10XP30 107KSF 40BC03X30 308S
35BC02XDDG30 207SZZG 35BC10XPP30 107KSFF 40BC03XD30 308SZ
35BC02XDXG30 207SZG 35BC10XPPG30 107KSFFG 40BC03XDD30 308SZZ
35BC02XP30 207SF 35BC10XPXG30 107KSFG
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ABMA Number Bearing size ABMA Number Bearing size ABMA Number Bearing size
40BC03XDDG30 308SZZG 40BC32XDDG30 208SZZCG 45BC04XD30 409SZ
40BC03XDXG30 308SZG 40BC32XPP30 208SFFC 45BC04XDD30 409SZZ
40BC03XP30 308SF 40BC32XPPG30 208SFFCG 45BC04XP30 409SF
40BC03XPP30 308SFF 40BC33XDD30 308SZZC 45BC04XPP30 409SFF
40BC03XPPG30 308SFFG 40BC33XDDG30 308SZZCG 45BC10X30 109KS
40BC03XPXG30 308SFG 40BC33XPP30 308SFFC 45BC10XD30 109KSZ
40BC03XXXG30 308SG 40BC33XPPG30 308SFFCG 45BC10XDD30 109KSZZ
40BC04X30 408S 45BC02X30 209S 45BC10XDDG30 109KSZZG
40BC04XD30 408SZ 45BC02XD30 209SZ 45BC10XDXG30 109KSZG
40BC04XDD30 408SZZ 45BC02XDD30 209SZZ 45BC10XP30 109KSF
40BC04XP30 408SF 45BC02XDDG30 209SZZG 45BC10XPP30 109KSFF
40BC04XPP30 408SFF 45BC02XDXG30 209SZG 45BC10XPPG30 109KSFFG
40BC10X30 108KS 45BC02XP30 209SF 45BC10XPXG30 109KSFG
40BC10XD30 108KSZ 45BC02XPP30 209SFF 45BC10XXXG30 109KSG
40BC10XDD30 108KSZZ 45BC02XPPG30 209SFFG 45BC19X30 1909S
40BC10XDDG30 108KSZZG 45BC02XPXG30 209SFG 45BC19XD30 1909SZ
40BC10XDXG30 108KSZG 45BC02XXXG30 209SG 45BC19XDD30 1909SZZ
40BC10XP30 108KSF 45BC03X30 309S 45BC19XP30 1909SF
40BC10XPP30 108KSFF 45BC03XD30 309SZ 45BC19XPP30 1909SFF
40BC10XPPG30 108KSFFG 45BC03XDD30 309SZZ 45BC32XDD30 209SZZC
40BC10XPXG30 108KSFG 45BC03XDDG30 309SZZG 45BC32XDDG30 209SZZCG
40BC10XXXG30 108KSG 45BC03XDXG30 309SZG 45BC32XPP30 209SFFC
40BC19X30 1908S 45BC03XP30 309SF 45BC32XPPG30 209SFFCG
40BC19XD30 1908SZ 45BC03XPP30 309SFF 45BC33XDD30 309SZZC
40BC19XDD30 1908SZZ 45BC03XPPG30 309SFFG 45BC33XDDG30 309SZZCG
40BC19XP30 1908SF 45BC03XPXG30 309SFG 45BC33XPP30 309SFFC
40BC19XPP30 1908SFF 45BC03XXXG30 309SG 45BC33XPPG30 309SFFCG
40BC32XDD30 208SZZC 45BC04X30 409S 50BC02X30 210S
216
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ABMA Number Bearing size ABMA Number Bearing size ABMA Number Bearing size
50BC02XD30 210SZ 50BC10XDXG30 110KSZG 55BC02XXXG30 211SG
50BC02XDD30 210SZZ 50BC10XP30 110KSF 55BC03X30 311S
50BC02XDDG30 210SZZG 50BC10XPP30 110KSFF 55BC03XD30 311SZ
50BC02XDXG30 210SZG 50BC10XPPG30 110KSFFG 55BC03XDD30 311SZZ
50BC02XP30 210SF 50BC10XPXG30 110KSFG 55BC03XDDG30 311SZZG
50BC02XPP30 210SFF 50BC10XXXG30 110KSG 55BC03XDXG30 311SZG
50BC02XPPG30 210SFFG 50BC19X30 1910S 55BC03PP30 311SFF
50BC02XPXG30 210SFG 50BC19XD30 1910SZ 55BC03XP30 311SF
50BC02XXXG30 210SG 50BC19XDD30 1910SZZ 55BC03XPPG30 311SFFG
50BC03X30 310S 50BC19XP30 1910SF 55BC03XPXG30 311SFG
50BC03XD30 310SZ 50BC19XPP30 1910SFF 55BC03XXXG30 311SG
50BC03XDD30 310SZZ 50BC32XDD30 210SZZC 55BC04X30 411S
50BC03XDDG30 310SZZG 50BC32XDDG30 210SZZCG 55BC04XD30 411SZ
50BC03XDXG30 310SZG 50BC32XPP30 210SFFC 55BC04XDD30 411SZZ
50BC03XP30 310SF 50BC32XSPPG30 210SFFCG 55BC04XP30 411SF
50BC03XPP30 310SFF 50BC33XDD30 310SZZC 55BC04XPP30 411SFF
50BC03XPPG30 310SFFG 50BC33XDDG30 310SZZCG 55BC10X30 111KS
50BC03XPXG30 310SFG 50BC33XPP30 310SFFC 55BC10XD30 111KSZ
50BC03XXXG30 310SG 50BC33XPPG30 310SFFCG 55BC10XDD30 111KSZZ
50BC04X30 410S 55BC02X30 211S 55BC10XDDG30 111KSZZG
50BC04XD30 410SZ 55BC02XD30 211SZ 55BC10XDXG30 111KSZG
50BC04XDD30 410SZZ 55BC02XDD30 211SZZ 55BC10XP30 111KSF
50BC04XP30 410SF 55BC02XDDG30 211SZZG 55BC10XPP30 111KSFF
50BC04XPP30 410SFF 55BC02XDXG30 211SZG 55BC10XPPG30 111KSFFG
50BC10X30 110KS 55BC02XP30 211SF 55BC10XPXG30 111KSFG
50BC10XD30 110KSZ 55BC02XPP30 211SFF 55BC10XXXG30 111KSG
50BC10XDD30 110KSZZ 55BC02XPPG30 211SFFG 55BC19X30 1911S
50BC10XDDG30 110KSZZG 55BC02XPXG30 211SFG 55BC19XD30 1911SZ
217
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ABMA Number Bearing size ABMA Number Bearing size ABMA Number Bearing size
55BC19XDD30 1911SZZ 60BC03XPPG30 312SFFG 60BC33XDDG30 312SZZCG
55BC19XP30 1911SF 60BC03XPXG30 312SFG 60BC33XPP30 312SFFC
55BC19XPP30 1911SFF 60BC03XXXG30 312SG 60BC33XPPG30 312SFFCG
55BC32XDD30 211SZZC 60BC04X30 412S 65BC02X30 213S
55BC32XDDG30 211SZZCG 60BC04XD30 412SZ 65BC02XD30 213SZ
55BC32XPP30 211SFFC 60BC04XDD30 412SZZ 65BC02XDD30 213SZZ
55BC32XPPG30 211SFFCG 60BC04XP30 412SF 65BC02XDDG30 213SZZG
55BC33XDD30 311SZZC 60BC04XPP30 412SFF 65BC02XDXG30 213SZG
55BC33XDDG30 311SZZCG 60BC10X30 112KS 65BC02XP30 213SF
55BC33XPP30 311SFFC 60BC10XD30 112KSZ 65BC02XPP30 213SFF
55BC33XPPG30 311SFFCG 60BC10XDD30 112KSZZ 65BC02XPPG30 213SFFG
60BC02X30 212S 60BC10XDDG30 112KSZZG 65BC02XPXG30 213SFG
60BC02XD30 212SZ 60BC10XDXG30 112KSZG 65BC02XXXG30 213SG
60BC02XDD30 212SZZ 60BC10XP30 112KSF 65BC03X30 313S
60BC02XDDG30 212SZZG 60BC10XPP30 112KSFF 65BC03XD30 313SZ
60BC02XDXG30 212SZG 60BC10XPPG30 112KSFFG 65BC03XDD30 313SZZ
60BC02XP30 212SF 60BC10XPXG30 112KSFG 65BC03XDDG30 313SZZG
60BC02XPP30 212SFF 60BC10XXXG30 112KSG 65BC03XDXG30 313SZG
60BC02XPPG30 212SFFG 60BC19X30 1912S 65BC03XP30 313SF
60BC02XPXG30 212SFG 60BC19XD30 1912SZ 65BC03XPP30 313SFF
60BC02XXXG30 212SG 60BC19XDD30 1912SZZ 65BC03XPPG30 313SFFG
60BC03X30 312S 60BC19XP30 1912SF 65BC03XPXG30 313SFG
60BC03XD30 312SZ 60BC19XPP30 1912SFF 65BC03XXXG30 313SG
60BC03XDD30 312SZZ 60BC32XDD30 212SZZC 65BC04X30 413S
60BC03XDDG30 312SZZG 60BC32XDDG30 212SZZCG 65BC04XD30 413SZ
60BC03XDXG30 312SZG 60BC32XPP30 212SFFC 65BC04XDD30 413SZZ
60BC03XP30 312SF 60BC32XPPG30 212SFFCG 65BC04XP30 413SF
60BC03XPP30 312SFF 60BC33XDD30 312SZZC 65BC04XPP30 413SFF
218
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ABMA Number Bearing size ABMA Number Bearing size ABMA Number Bearing size
65BC10X30 113KS 70BC02XP30 214SF 70BC10XPXG30 114KSFG
65BC10XD30 113KSZ 70BC02XPP30 214SFF 70BC10XXXG30 114KSG
65BC10XDD30 113KSZZ 70BC02XPPG30 214SFFG 70BC19X30 1914S
65BC10XDDG30 113KSZZG 70BC02XPXG30 214SFG 70BC19XD30 1914SZ
65BC10XDXG30 113KSZG 70BC02XXXG30 214SG 70BC19XDD30 1914SZZ
65BC10XP30 113KSF 70BC03X30 314S 70BC19XP30 1914SF
65BC10XPP30 113KSFF 70BC03XD30 314SZ 70BC19XPP30 1914SFF
65BC10XPPG30 113KSFFG 70BC03XDD30 314SZZ 70BC32XDD30 214SZZC
65BC10XPXG30 113KSFG 70BC03XDDG30 314SZZG 70BC32XDDG30 214SZZCG
65BC10XXXG30 113KSG 70BC03XDXG30 314SZG 70BC32XPP30 214SFFC
65BC19X30 1913S 70BC03XP30 314SF 70BC32XPPG30 214SFFCG
65BC19XD30 1913SZ 70BC03XPP30 314SFF 70BC33XDD30 314SZZC
65BC19XDD30 1913SZZ 70BC03XPPG30 314SFFG 70BC33XDDG30 314SZZCG
65BC19XP30 1913SF 70BC03XPXG30 314SFG 70BC33XPP30 314SFFC
65BC19XPP30 1913SFF 70BC03XXXG30 314SG 70BC33XPPG30 314SFFCG
65BC32XDD30 213SZZC 70BC04X30 414S 75BC02X30 215S
65BC32XDDG30 213SZZCG 70BC04XD30 414SZ 75BC02XD30 215SZ
65BC32XPP30 213SFFC 70BC04XDD30 414SZZ 75BC02XDD30 215SZZ
65BC32XPPG30 213SFFCG 70BC04XP30 414SF 75BC02XDDG30 215SZZG
65BC33XDD30 313SZZC 70BC04XPP30 414SFF 75BC02XDXG30 215SZG
65BC33XDDG30 313SZZCG 70BC10X30 114KS 75BC02XP30 215SF
65BC33XPP30 313SFFC 70BC10XD30 114KSZ 75BC02XPP30 215SFF
65BC33XPPG30 313SFFCG 70BC10XDD30 114KSZZ 75BC02XPPG30 215SFFG
70BC02X30 214S 70BC10XDDG30 114KSZZG 75BC02XPXG30 215SFG
70BC02XD30 214SZ 70BC10XDXG30 114KSZG 75BC02XXXG30 215SG
70BC02XDD30 214SZZ 70BC10XP30 114KSF 75BC03X30 315S
70BC02XDDG30 214SZZG 70BC10XPP30 114KSFF 75BC03XD30 315SZ
70BC02XDXG30 214SZG 70BC10XPPG30 114KSFFG 75BC03XDD30 315SZZ
219
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ABMA Number Bearing size ABMA Number Bearing size ABMA Number Bearing size
75BC03XDDG30 315SZZG 75BC32XDDG30 215SZZCG 80BC04XD30 416SZ
75BC03XDXG30 315SZG 75BC32XPP30 215SFFC 80BC04XDD30 416SZZ
75BC03XP30 315SF 75BC32XPPG30 215SFFCG 80BC04XP30 416SF
75BC03XPP30 315SFF 75BC33XDD30 315SZZC 80BC04XPP30 416SFF
75BC03XPPG30 315SFFG 75BC33XDDG30 315SZZCG 80BC10X30 116KS
75BC03XPXG30 315SFG 75BC33XPP30 315SFFC 80BC10XD30 116KSZ
75BC03XXXG30 315SG 75BC33XPPG30 315SFFCG 80BC10XDD30 116KSZZ
75BC04X30 415S 80BC02X30 216S 80BC10XDDG30 116KSZZG
75BC04XD30 415SZ 80BC02XD30 216SZ 80BC10XDXG30 116KSZG
75BC04XDD30 415SZZ 80BC02XDD30 216SZZ 80BC10XP30 116KSF
75BC04XP30 415SF 80BC02XDDG30 216SZZG 80BC10XPP30 116KSFF
75BC04XPP30 415SFF 80BC02XDXG30 216SZG 80BC10XPPG30 116KSFFG
75BC10X30 115KS 80BC02XP30 216SF 80BC10XPXG30 116KSFG
75BC10XD30 115KSZ 80BC02XPP30 216SFF 80BC10XXXG30 116KSG
75BC10XDD30 115KSZZ 80BC02XPPG30 216SFFG 80BC19X30 1916S
75BC10XDDG30 115KSZZG 80BC02XPXG30 216SFG 80BC19XD30 1916SZ
75BC10XDXG30 115KSZG 80BC02XXXG30 216SG 80BC19XDD30 1916SZZ
75BC10XP30 115KSF 80BC03X30 316S 80BC19XP30 1916SF
75BC10XPP30 115KSFF 80BC03XD30 316SZ 80BC19XPP30 1916SFF
75BC10XPPG30 115KSFFG 80BC03XDD30 316SZZ 80BC32XDD30 216SZZC
75BC10XPXG30 115KSFG 80BC03XDDG30 316SZZG 80BC32XDDG30 216SZZCG
75BC10XXXG30 115KSG 80BC03XDXG30 316SZG 80BC32XPP30 216SFFC
75BC19X30 1915S 80BC03XP30 316SF 80BC32XPPG30 216SFFCG
75BC19XD30 1915SZ 80BC03XPP30 316SFF 80BC33XDD30 316SZZC
75BC19XDD30 1915SZZ 80BC03XPPG30 316SFFG 80BC33XDDG30 316SZZCG
75BC19XP30 1915SF 80BC03XPXG30 316SFG 80BC33XPP30 316SFFC
75BC19XPP30 1915SFF 80BC03XXXG30 316SG 80BC33XPPG30 316SFFCG
75BC32XDD30 215SZZC 80BC04X30 416S 85BC02X30 217S
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ABMA Number Bearing size ABMA Number Bearing size ABMA Number Bearing size
85BC02XD30 217SZ 85BC10XDXG30 117KSZG 90BC02XXXG30 218SG
85BC02XDD30 217SZZ 85BC10XP30 117KSF 90BC03X30 318S
85BC02XDDG30 217SZZG 85BC10XPP30 117KSFF 90BC03XD30 318SZ
85BC02XDXG30 217SZG 85BC10XPPG30 117KSFFG 90BC03XDD30 318SZZ
85BC02XP30 217SF 85BC10XPXG30 117KSFG 90BC03XDDG30 318SZZG
85BC02XPP30 217SFF 85BC10XXXG30 117KSG 90BC03XDXG30 318SZG
85BC02XPPG30 217SFFG 85BC19X30 1917S 90BC03XP30 318SF
85BC02XPXG30 217SFG 85BC19XD30 1917SZ 90BC03XPP30 318SFF
85BC02XXXG30 217SG 85BC19XDD30 1917SZZ 90BC03XPPG30 318SFFG
85BC03X30 317S 85BC19XP30 1917SF 90BC03XPXG30 318SFG
85BC03XD30 317SZ 85BC19XPP30 1917SFF 90BC03XXXG30 318SG
85BC03XDD30 317SZZ 85BC32XDD30 217SZZC 90BC04X30 418S
85BC03XDDG30 317SZZG 85BC32XDDG30 217SZZCG 90BC04XD30 418SZ
85BC03XDXG30 317SZG 85BC32XPP30 217SFFC 90BC04XDD30 418SZZ
85BC03XP30 317SF 85BC32XPPG30 217SFFCG 90BC04XP30 418SF
85BC03XPP30 317SFF 85BC33XDD30 317SZZC 90BC04XPP30 418SFF
85BC03XPPG30 317SFFG 85BC33XDDG30 317SZZCG 90BC10X30 118KS
85BC03XPXG30 317SFG 85BC33XPP30 317SFFC 90BC10XD30 118KSZ
85BC03XXXG30 317SG 85BC33XPPG30 317SFFCG 90BC10XDD30 118KSZZ
85BC04X30 417S 90BC02X30 218S 90BC10XDDG30 118KSZZG
85BC04XD30 417SZ 90BC02XD30 218SZ 90BC10XDXG30 118KSZG
85BC04XDD30 417SZZ 90BC02XDD30 218SZZ 90BC10XP30 118KSF
85BC04XP30 417SF 90BC02XDDG30 218SZZG 90BC10XPP30 118KSFF
85BC04XPP30 417SFF 90BC02XDXG30 218SZG 90BC10XPPG30 118KSFFG
85BC10X30 117KS 90BC02XP30 218SF 90BC10XPXG30 118KSFG
85BC10XD30 117KSZ 90BC02XPP30 218SFF 90BC10XXXG30 118KSG
85BC10XDD30 117KSZZ 90BC02XPPG30 218SFFG 90BC19X30 1918S
85BC10XDDG30 117KSZZG 90BC02XPXG30 218SFG 90BC19XD30 1918SZ
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ABMA Number Bearing size ABMA Number Bearing size ABMA Number Bearing size
90BC19XDD30 1918SZZ 95BC03XPPG30 319SFFG 95BC33XDDG30 319SZZCG
90BC19XP30 1918SF 95BC03XPXG30 319SFG 95BC33XPP30 319SFFC
90BC19XPP30 1918SFF 95BC03XXXG30 319SG 95BC33XPPG30 319SFFCG
90BC32XDD30 218SZZC 95BC04X30 419S 100BC02X30 220S
90BC32XDDG30 218SZZCG 95BC04XD30 419SZ 100BC02XD30 220SZ
90BC32XPP30 218SFFC 95BC04XDD30 419SZZ 100BC02XDD30 220SZZ
90BC32XPPG30 218SFFCG 95BC04XP30 419SF 100BC02XDDG30 220SZZG
90BC33XDD30 318SZZC 95BC04XPP30 419SFF 100BC02XDXG30 220SZG
90BC33XDDG30 318SZZCG 95BC10X30 119KS 100BC02XP30 220SF
90BC33XPP30 318SFFC 95BC10XD30 119KSZ 100BC02XPP30 220SFF
90BC33XPPG30 318SFFCG 95BC10XDD30 119KSZZ 100BC02XPPG30 220SFFG
95BC02X30 219S 95BC10XDDG30 119KSZZG 100BC02XPXG30 220SFG
95BC02XD30 219SZ 95BC10XDXG30 119KSZG 100BC02XXXG30 220SG
95BC02XDD30 219SZZ 95BC10XP30 119KSF 100BC03X30 320S
95BC02XDDG30 219SZZG 95BC10XPP30 119KSFF 100BC03XD30 320SZ
95BC02XDXG30 219SZG 95BC10XPPG30 119KSFFG 100BC03XDD30 320SZZ
95BC02XP30 219SF 95BC10XPXG30 119KSFG 100BC03XDDG30 320SZZG
95BC02XPP30 219SFF 95BC10XXXG30 119KSG 100BC03XDXG30 320SZG
95BC02XPPG30 219SFFG 95BC19X30 1919S 100BC03XP30 320SF
95BC02XPXG30 219SFG 95BC19XD30 1919SZ 100BC03XPP30 320SFF
95BC02XXXG30 219SG 95BC19XDD30 1919SZZ 100BC03XPPG30 320SFFG
95BC03X30 319S 95BC19XP30 1919SF 100BC03XPXG30 320SFG
95BC03XD30 319SZ 95BC19XPP30 1919SFF 100BC03XXXG30 320SG
95BC03XDD30 319SZZ 95BC32XDD30 219SZZC 100BC04X30 420S
95BC03XDDG30 319SZZG 95BC32XDDG30 219SZZCG 100BC04XD30 420SZ
95BC03XDXG30 319SZG 95BC32XPP30 219SFFC 100BC04XDD30 420SZZ
95BC03XP30 319SF 95BC32XPPG30 219SFFCG 100BC04XP30 420SF
95BC03XPP30 319SFF 95BC33XDD30 319SZZC 100BC04XPP30 420SFF
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8008 38FS1 8 .3150 24 .9449 8.0 .315 9.8 .386 10.3 .406 .30 .012 110 .17 3 320 746 1 430 321 23 000
8013 201FS2 13 .5118 32 1.2598 10.0 .394 12.2 .480 12.7 .500 .64 .025 245 .38 6 890 1 550 3 050 686 15 000
8014 202FS1 14 .5512 35 1.3780 11.0 .433 12.2 .480 12.7 .500 .64 .025 284 .44 7 610 1 710 3 650 821 13 000
8016 202FS3 16 .6299 35 1.3780 11.0 .433 12.2 .480 12.7 .500 .64 .025 284 .44 7 610 1 710 3 650 821 13 000
8026 205FS3 26 1.0236 52 2.0472 15.0 .591 15.2 .600 15.9 .625 1.00 .040 568 .88 14 000 3 150 8 000 1 800 8 500
8038 38FS 8 .3150 22 .8661 8.0 .315 9.8 .386 10.3 .406 .30 .012 110 .17 3 320 746 1 370 308 23 000
8500 200FS 10 .3937 30 1.1811 9.0 .354 12.2 .480 12.7 .500 .64 .025 155 .24 5 070 1 140 2 400 540 17 000
8501 201FS 12 .4724 32 1.2598 10.0 .394 12.2 .480 12.7 .500 .64 .025 245 .38 6 760 1 520 3 050 685 15 000
8502 202FS 15 .5906 35 1.3780 11.0 .433 12.2 .480 12.7 .500 .64 .025 277 .43 7 610 1 710 3 750 843 13 000
8503 203FS 17 .6693 40 1.5748 12.0 .472 13.7 .538 14.3 .563 .64 .025 361 .56 9 560 2 150 4 800 1 080 12 000
8504 204FS 20 .7874 47 1.8504 14.0 .551 15.2 .600 15.9 .625 1.00 .040 503 .78 13 000 2 920 6 700 1 510 10 000
8505 205FS 25 .9843 52 2.0472 15.0 .591 15.2 .600 15.9 .625 1.00 .040 568 .88 14 000 3 150 8 000 1 800 8 500
8506 206FS 30 1.1811 62 2.4409 16.0 .630 19.0 .748 20.0 .787 1.00 .040 813 1.26 19 500 4 380 11 400 2 560 7 500
8507 207FS 35 1.3780 72 2.8346 17.0 .669 20.0 .787 21.0 .827 1.00 .040 1 109 1.72 25 500 5 730 15 300 3 440 6 300
8508 208FS 40 1.5748 80 3.1496 21.0 .827 24.0 .945 24.0 .945 1.00 .040 1 320 2.05 29 100 6 540 18 000 4 050 5 600
8605 305FS 25 .9843 62 2.4409 17.0 .669 21.0 .827 21.0 .827 1.00 .040 632 .98 15 900 3 570 8 000 1 800 7 500
WC87008 38FSF2 8 .3150 24 .9449 10.3 .406 9.8 .386 10.3 .406 .30 .012 110 .17 3 320 746 1 430 321 23 000
WC87016 — 16 .6299 35 1.3780 12.7 .500 12.2 .480 12.7 .500 .64 .025 284 .44 7 610 1 710 3 750 843 13 000
WC87500 200FSF1 10 .3937 30 1.1811 12.7 .500 12.2 .480 12.7 .500 .64 .025 155 .24 5 070 1 140 2 400 540 17 000
WC87501 201FSF1 12 .4724 32 1.2598 12.7 .500 12.2 .480 12.7 .500 .64 .025 245 .38 6 890 1 550 2 400 540 15 000
WC87502 202FSF1 15 .5906 35 1.3780 12.7 .500 12.2 .480 12.7 .500 .64 .025 277 .43 7 610 1 710 3 750 843 13 000
WC87503 203FSF1 17 .6693 40 1.5748 14.3 .563 13.7 .538 14.3 .563 .64 .025 361 .56 9 560 2 150 4 800 1 080 12 000
WC87504 204FSF1 20 .7874 47 1.8504 15.9 .625 15.2 .600 15.9 .625 1.00 .040 503 .78 13 000 2 920 6 700 1 510 10 000
87007 37FSF1 7 .2756 24 .9449 8.0 .315 9.8 .386 10.3 .406 .30 .012 110 .17 3 320 746 1 430 321 23 000
87008 38FSF1 8 .3150 24 .9449 8.0 .315 9.8 .386 10.3 .406 .30 .012 110 .17 3 320 746 1 430 321 23 000
87013 201FSF3 13 .5118 32 1.2598 10.0 .394 12.2 .480 12.7 .500 .64 .025 245 .38 6 890 1 550 3 050 686 15 000
87014 — 14 .5512 35 1.3780 11.0 .433 12.2 .480 12.7 .500 .64 .025 284 .44 7 610 1 710 3 650 821 13 000
87016 202FSF4 16 .6299 35 1.3780 11.0 .433 12.2 .480 12.7 .500 .64 .025 284 .44 7 610 1 710 3 750 843 13 000
87026 — 26 1.0236 52 2.0472 15.0 .591 15.2 .600 15.9 .625 1.00 .040 568 .88 14 000 3 150 8 000 1 800 8 500
87036 36FSF 6 .2362 19 .7480 8.0 .315 9.8 .386 10.3 .406 .30 .012 97 .15 2 810 632 1 080 243 26 000
87037 37FSF 7 .2756 22 .8661 8.0 .315 9.8 .386 10.3 .406 .30 .012 110 .17 3 320 746 1 340 301 23 000
87038 38FSF 8 .3150 22 .8661 8.0 .315 9.8 .386 10.3 .406 .30 .012 110 .17 3 320 746 1 370 308 23 000
87500 200FSF 10 .3937 30 1.1811 9.0 .354 12.2 .480 12.7 .500 .64 .025 155 .24 5 070 1 140 2 400 540 17 000
87501 201FSF 12 .4724 32 1.2598 10.0 .394 12.2 .480 12.7 .500 .64 .025 245 .38 8 190 1 840 3 650 821 15 000
87502 202FSF 15 .5906 35 1.3780 11.0 .433 12.2 .480 12.7 .500 .64 .025 277 .43 7 610 1 710 3 750 843 13 000
87503 203FSF 17 .6693 40 1.5748 12.0 .472 13.7 .538 14.3 .563 .64 .025 361 .56 9 560 2 150 4 800 1 080 12 000
87504 204FSF 20 .7874 47 1.8504 14.0 .551 15.2 .600 15.9 .625 1.00 .040 503 .78 13 000 2 920 6 700 1 510 10 000
87505 205FSF 25 .9843 52 2.0472 15.0 .591 15.2 .600 15.9 .625 1.00 .040 568 .88 14 000 3 150 8 000 1 800 8 500
87506 206FSF 30 1.1811 62 2.4409 16.0 .630 19.0 .748 20.0 .787 1.00 .040 813 1.26 19 500 4 380 11 400 2 560 7 500
87507 207FSF 35 1.3780 72 2.8346 17.0 .669 20.0 .787 21.0 .827 1.00 .040 1 110 1.72 25 500 5 730 15 300 3 440 6 300
87508 208FSF 40 1.5748 80 3.1496 21.0 .827 24.0 .945 24.0 .945 1.00 .040 1 320 2.05 29 100 6 540 18 000 4 050 5 000
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) Listed values are for pressed steel or polyamide cage, ABEC-1.
The values have been determined through historical application and practice. For a more complete explanation, see page 272.
3) Rating for one million revolutions or 500 hours at 331/3 rpm.
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B1 B1 B1
D d D d D d
B B B
88007 — 7 .2756 24 .9449 8 .315 12.6 .497 12.6 .497 .30 .012 110 .17 3 320 746 1 430 321 23 000
88008 38FFS2 8 .3150 24 .9449 8 .315 12.6 .497 12.6 .497 .30 .012 110 .17 3 320 746 1 430 321 23 000
88009 — 9 .3543 30 1.1811 9 .354 16.4 .646 16.4 .646 .64 .025 155 .24 4 620 1 040 2 040 459 17 000
88011 — 11 .4331 32 1.2598 10 .394 15.4 .606 15.4 .606 .64 .025 245 .38 6 760 1 520 3 000 674 15 000
88013 201FFS2 13 .5118 32 1.2598 10 .394 15.4 .606 15.4 .606 .64 .025 245 .38 6 890 1 550 3 050 686 15 000
88016 202FFS5 16 .6299 35 1.3780 11 .433 14.4 .567 14.4 .567 .64 .025 284 .44 7 610 1 710 3 750 843 13 000
88500 200FFS 10 .3937 30 1.1811 9 .354 16.4 .646 16.4 .646 .64 .025 155 .24 5 070 1 140 2 400 540 17 000
88501 201FFS 12 .4724 32 1.2598 10 .394 15.4 .606 15.4 .606 .64 .025 245 .38 6 760 1 520 3 050 685 15 000
88502 202FFS 15 .5906 35 1.3780 11 .433 14.4 .567 14.4 .567 .64 .025 277 .43 7 610 1 710 3 750 843 13 000
88503 203FFS 17 .6693 40 1.5748 12 .472 16.6 .654 16.6 .654 .64 .025 361 .56 9 560 2 150 4 800 1 080 12 000
88504 204FFS 20 .7874 47 1.8504 14 .551 17.8 .699 17.8 .699 1.00 .040 503 .78 13 000 2 920 6 700 1 510 10 000
88505 205FFS 25 .9843 52 2.0472 15 .591 16.7 .659 16.7 .659 1.00 .040 568 .88 14 000 3 150 8 000 1 800 8 500
88506 206FFS 30 1.1811 62 2.4409 16 .630 24.0 .945 24.0 .945 1.00 .040 813 1.26 19 500 4 380 11 400 2 560 7 500
88507 207FFS 35 1.3780 72 2.8346 17 .669 25.0 .984 25.0 .984 1.00 .040 1 110 1.72 25 500 5 730 15 300 3 440 6 300
88508 208FFS 40 1.5748 80 3.1496 21 .827 27.0 1.063 27.0 1.063 1.00 .040 1 320 2.05 29 100 6 540 18 000 4 050 5 600
487502 G202FSF 15 .5906 35 1.3780 11 .433 12.2 .480 12.7 .500 .64 .025 277 .43 7 610 1 710 3 750 843 13 000
487503 G203FSF 17 .6693 40 1.5748 12 .472 13.7 .538 14.3 .563 .64 .025 361 .56 9 560 2 150 4 800 1 080 12 000
487508 G208FSF 40 1.5748 80 3.1496 21 .827 24.0 .945 24.0 .945 1.00 .040 1 320 2.05 29 100 6 540 18 000 4 050 5 600
488016 202FFS2G 16 .6299 35 1.3780 11 .433 14.4 .567 14.4 .567 .64 .025 284 .44 7 610 1 710 3 750 843 13 000
488502 202FFSG 15 .5906 35 1.3780 11 .433 14.4 .567 14.4 .567 .64 .025 277 .43 7 610 1 710 3 750 843 13 000
488503 203FFSG 17 .6693 40 1.5748 12 .472 16.6 .654 16.6 .654 .64 .025 361 .56 9 560 2 150 4 800 1 080 12 000
488504 204FFSG 20 .7874 47 1.8504 14 .551 17.8 .699 17.8 .699 1.00 .040 503 .78 13 000 2 920 6 700 1 510 10 000
488505 205FFSG 25 .9843 52 2.0472 15 .591 16.7 .659 16.7 .659 1.00 .040 568 .88 14 000 3 150 8 000 1 800 8 500
488506 206FFSG 30 1.1811 62 2.4409 16 .630 24.0 .945 24.0 .945 1.00 .040 813 1.26 19 500 4 380 11 400 2 560 7 500
488507 207FFSG 35 1.3780 72 2.8346 17 .669 25.0 .984 25.0 .984 1.00 .040 1 110 1.72 25 500 5 730 15 300 3 440 6 300
488508 208FFSG 40 1.5748 80 3.1496 21 .827 27.0 1.063 27.0 1.063 1.00 .040 1 320 2.05 29 100 6 540 18 000 4 050 5 600
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) Listed values are for pressed steel or polyamide cage, ABEC-1.
The values have been determined through historical application and practice. For a more complete explanation, see page 272.
3) Rating for one million revolutions or 500 hours at 331/3 rpm.
4) Add suffix “V” when snap-ring is on seal side
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1)
Check availability before designing into new equipment.
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.454
.996 .312R
.875 1.255
.7283
2.600 R
3.127
.060 2.770
2.2440
3.725
2.250 3.592
.6693 1.3780 .163
.5850 1.000 1.3780 .203 .8268 1.3780
.7874 1.0000 .66931
1.000
1.000 .380 R
1.1875
1.000 1.000 .375 R
.375 R
.330 R .330 R
3.725
3.500 4.000
3.000 2.937
.130 .179 .030 Ref
.165 .6693 .165 .6693 .7480 1.1811 .8268 1.3780 .8268 1.3780
.9843 1.000
3.940
3.725
3.993 3.990 3.990 3.594
.179 .179 .179 .041
.8268 1.3780 1.3780 .9055 1.5748
.8268 1.3780 .8268 .8268 1.3780
1.250 1.250
.3125 R 1.250
1.250 1.110 .4375 R
.375 R .256 R
1.500 4° 0'
6.310
6.468
5.0025 5.135 6.003
4.510
.143 .9643 1.7117 .9843 .177 1.1417 2.1654 .177 1.1417 2.1654 .177 1.1417 2.1654
1.7717
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ra
E d D
SWI WI
300SWI Non-filling 300WI Filling
notch type notch type
305SWI 25 .9843 62 2.4409 17 .6693 25.40 1 38.1 1.499 1.0 .04 850 1.32 20 800 4 680 11 200 2 520 11 000 14 000
306SWI 30 1.1811 72 2.8346 19 .7480 30.16 13/6 43.1 1.698 1.0 .04 1 290 2.00 29 600 6 650 16 600 3 730 9 000 11 000
307SWI 35 1.3780 80 3.1496 21 .8268 34.93 13/8 48.7 1.917 1.5 .06 1 630 2.53 36 400 8 180 20 800 4 680 8 500 10 000
309SWI 45 1.7717 100 3.9370 25 .9843 39.69 19/16 61.1 2.405 1.5 .06 2 440 3.78 52 700 11 900 31 500 7 080 6 700 8 000
310SWI 50 1.9685 110 4.3307 27 1.0630 44.45 13/4 67.5 2.659 2.0 .08 2 900 4.50 61 800 13 900 38 000 8 540 6 300 7 500
311SWI 55 2.1654 120 4.7244 29 1.1417 49.21 115/16 74.0 2.915 2.0 .08 3 410 5.28 71 500 16 100 45 000 10 100 5 600 6 700
313SWI 65 2.5591 140 5.5118 33 1.2992 58.74 25/16 85.1 3.350 2.0 .08 4 540 7.03 92 300 20 800 60 000 13 500 4 800 5 600
315SWI 75 2.9528 160 6.2992 37 1.4567 68.26 211/16 98.9 3.895 2.0 .08 6 530 10.1 121 000 27 200 85 000 19 100 4 300 5 000
318SWI 90 3.5433 190 7.4803 43 1.6929 73.03 27/8 121.0 4.750 2.5 .10 7 280 11.3 133 000 29 900 98 000 22 000 3 400 4 000
320SWI 100 3.9370 215 8.4646 47 1.8504 82.55 31/4 132.0 5.210 2.5 .10 11 600 18.0 182 000 40 900 150 000 33 700 3 000 3 600
308WI4) 40 1.5748 90 3.5433 23 .9055 36.51 17/16 54.8 2.159 1.5 .06 2 770 4.30 46 800 10 500 36 000 8 090 6 200 7 500
311WI 55 2.1654 120 4.7244 29 1.1417 44.45 13/4 72.7 2.863 2.0 .08 4 690 7.26 74 800 16 800 61 000 13 700 4 600 5 600
312WI4) 60 2.3622 130 5.1181 31 1.2205 53.98 21/8 79.1 3.114 2.0 .08 5 430 8.42 91 300 20 500 78 000 17 500 4 300 5 300
314WI4) 70 2.7559 150 5.9055 35 1.3780 63.50 21/2 94.5 3.719 2.0 .08 7 740 12.0 114 000 25 600 102 000 22 900 3 700 4 500
315WI4) 75 2.9528 160 6.2992 37 1.4567 68.26 211/16 101.0 3.976 2.0 .08 8 740 13.6 125 000 28 000 116 000 26 000 3 500 4 300
316WI4) 80 3.1496 170 6.6929 39 1.5354 68.26 211/16 109.0 4.282 2.0 .08 9 470 14.7 138 000 31 000 129 000 29 000 3 300 4 000
318WI4) 90 3.5433 190 7.4803 43 1.6929 73.03 27/8 121.0 4.750 2.5 .10 12 100 18.8 157 000 35 300 160 000 36 000 2 800 3 400
1) Fillet radius indicates maximum fillet radius on shaft or in housing which bearing corner will clear.
2) Listed values are for pressed steel or polyamide cage, ABEC-1.
The values have been determined through historical application and practice. For a more complete explanation, see page 272.
3) Rating for one million revolutions or 500 hours at 331/3 rpm.
4) Check availability before designing into new equipment.
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BearingАБ prom@bergab.ru Тел.(495)-228-06-21,факс (495) 223-3071
Introduction Engineering data Marathon series Made-to-order
specification tables
Engineering
data
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Duplex bearings
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Duplex bearings
Special methods of mounting Duplex arrangement of a DT mounted Single bearings (half pair)—DU,
The three methods of mounting duplex in DF relationship with a single bearing DS, DE
pairs—DB, DF, and DT—are basic. However, MRC bearings with controlled axial relation-
other combinations may frequently be used to ship of faces are available as single bearings
advantage. A few of these combinations are (half pair). These are ordinarily specified when
shown below. the customer uses duplex bearings in a num-
This arrangement provides the same capabili- ber of different mounting arrangements and
Duplex stack of three bearings
ties as the DB mounting except the bearings wishes to simplify the problem of stocking
(11/2 pair) mounted in tandem
are mounted in a DF relationship. The set prearranged pairs. Single duplex bearings are
would have the suffix DTDF. ground for universal mounting and may be
DB pair separated by spacers matched with any other bearing from a carton
having identical markings.
Type DU bearings have flush ground faces
This arrangement shows three bearings and when mounted in pairs and clamped,
mounted in the tandem relationship and will have neither preload nor endplay.
provide greater thrust load carrying capacity, Type DS bearings are furnished with pre-
since three bearings are sharing the thrust It is sometimes desirable to separate duplex
load and are also identified on the bearing
load. bearings by equal length spacers mounted
with the designation DL, DM, DH or DX for
Additional thrust carrying capacity may between the two inner rings and the two out-
light, medium, heavy, or special preload
be obtained by increasing the number of er rings. This mounting arrangement is desir-
respectively.
bearings in the stack. able when the pair is subjected to a heavy
Type DE bearings are furnished with end-
moment load, when it is necessary to mini-
Duplex arrangement of a DT pair play as clamped and are also identified on the
mize shaft deflection, or when the bearings
mounted in DB relationship with bearing with the designation CA, CB, CC or CX
are running too hot next to each other. Care
a single bearing for specific endplay values with CX calling for
should be taken to make certain that these
special endplay.
spacers are parallel and equal in length.
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Duplex bearings
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Duplex bearings
Notes:
The numbers ‘‘1’’ and ‘‘2’’ marked on the bearing with
the split inner ring, are to keep the proper relationship
between the inner rings and the outer ring.
The counterbore bearing(s) can be mounted on either
side (A) or (B) (above or below) the split bearing, pro-
vided that the ‘‘V’’ ’s marked on the O.D. of bearings are
pointed in the direction of the ‘‘primary shaft thrust’’.
97000U2 98000U4
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244
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Outer ring
Outside Over 6 18 30 50 80 120 150 180 250 315
diameter (mm) incl 18 30 50 80 120 150 180 250 315 400
Outside +.0000 –.0003 –.00035 –.00045 –.0005 –.0006 –.0007 –.0010 –.0012 –.0014 –.0016
diameter –.008 –.009 –.011 –.013 –.015 –.018 –.025 –.030 –.035 –.040
Outside diameter 1800, 1900 .0004 .00045 .00055 .00065 .00075 .0009 .0012 .0015 .0017 .0020
out-of-round series .010 .012 .014 .016 .019 .023 .031 .038 .044 .050
(Max)
100 .0003 .00035 .00045 .0005 .00075 .0009 .0012 .0015 .0017 .0020
series .008 .009 .011 .013 .019 .023 .031 .038 .044 .050
200, 300, .00025 .0003 .0003 .0004 .00045 .00055 .00075 .0009 .0010 .0012
400 series .006 .007 .008 .010 .011 .014 .019 .023 .026 .030
100, 200, .0004 .00045 .00065 .0008 .0010 .0012 .0015 — — —
300, 400 .010 .012 .016 .020 .026 .030 .038 — — —
series
shielded*
and sealed
Radial runout .0006 .0006 .0008 .0010 .0014 .0016 .0018 .0020 .0024 .0028
(Max) .015 .015 .020 .025 .035 .040 .045 .050 .060 .070
Width variation
(Max) Identical to inner ring of same bearing
Outside diameter .0008 .0008 .0008 .0010 .0010 .0012 .0012 .0012 .0014 .0016
runout with side .020 .020 .020 .025 .025 .030 .030 .030 .035 .040
(Max)
Raceway runout .0012 .0012 .0012 .0012 .0014 .0016 .0020 .0024 .0028 .0031
with side (Max) .030 .030 .030 .030 .035 .040 .050 .060 .070 .080
Ring width
single bearing
Identical to inner ring of same bearing
Ring width
duplex bearing
245
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Outer ring
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Radial runout .00015 .00015 .00015 .0002 .0002 .00025 .0003 .0003 .0004
(Max)
.004 .004 .004 .005 .005 .006 .008 .008 .010
Width variation .0002 .0002 .0002 .0002 .00025 .0003 .0003 .0003 .0004
(Max)
.005 .005 .005 .005 .006 .007 .008 .008 .010
Side runout .0003 .0003 .0003 .0003 .0003 .00035 .0004 .0004 .00045
with bore (Max)
.007 .007 .008 .008 .008 .009 .010 .010 .011
Raceway runout .0003 .0003 .0003 .0003 .0003 .00035 .0004 .0004 .0005
with side (Max)
.007 .007 .008 .008 .008 .009 .010 .010 .013
Ring width +.0000 –.0016 –.0031 –.0047 –.0047 –.0059 –.0079 –.0098 –.0098 –.0118
single bearing
–.040 –.080 –.120 –.120 –.150 –.200 –.250 –.250 –.300
Ring width +.0000 –.0098 –.0098 –.0098 –.0098 –.0098 –.0150 –.0150 –.0150 –.0197
duplex bearing
–.250 –.250 –.250 –.250 –.250 –.380 –.380 –.380 –.500
Outer ring
247
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Radial runout .0001 .0001 .0001 .00015 .00015 .0002 .00025 .00025 .0003
(Max)
.0025 .0025 .003 .004 .004 .005 .006 .006 .008
Width variation .0001 .0001 .0001 .0001 .00015 .00015 .0002 .0002 .00025
(Max)
.0025 .0025 .0025 .003 .004 .004 .005 .005 .006
Side runout .0001 .0001 .00015 .00015 .0002 .0002 .00025 .00025 .0003
with bore (Max)
.003 .003 .004 .004 .005 .005 .006 .006 .007
Raceway runout .0001 .0001 .00015 .00015 .0002 .0002 .0003 .0003 .0003
with side (Max)
.003 .003 .004 .004 .005 .005 .007 .007 .008
Ring width +.0000 –.0016 –.0031 –.0047 –.0047 –.0059 –.0079 –.0098 –.0098 –.0118
single bearing
–.040 –.080 –.120 –.120 –.150 –.200 –.250 –.250 –.300
Ring width +.0000 –.0098 –.0098 –.008 –.0098 –.0098 –.0150 –.0150 –.0150 –.0197
duplex bearing
–.250 –.250 –.250 –.250 –.250 –.380 –.380 –.380 –.500
Outer ring
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Outer ring
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250
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251
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252
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Recommended fits The normal shaft and housing tolerances for Fits for hollow shafts
The general recommendation for shaft and duplexed bearings with endplay (DE) are “k5” If bearings are to be mounted with an inter-
housing diameters and resulting fits are and “H6” respectively. For the “DU” and “DS” ference fit on a hollow shaft, it is generally
shown in the tables on pages 256-259 for variants, the recommended shaft and housing necessary to use a heavier interference fit
ABEC-1 tolerance grade and either rotating tolerances are “h5” and “H6” respectively. than that used for a solid shaft in order to
or stationary shaft or housing. They apply to The reduced shaft interference resulting from achieve the same surface pressure between
single-row, double-row and duplex bearings the ISO “h5” fit minimizes the loss of internal the inner ring and shaft seating. The following
mounted on steel shafts and in steel or cast clearance caused by expansion of the inner diameter ratios are important when deciding
iron housings. For special bearing applications ring. Loss of internal clearance changes the on the fit to be used:
and arrangements, other fits may be required bearing preload that can lead to excessive d d
heating and premature failure. See pages ci = i and ce =
as shown in the tables on pages 261-268. d de
262 and 266 for specific tolerance dimen-
where
Duplex bearings sions. These recommendations are valid for
ci = diameter ratio of hollow shaft
MRC 7000PJ series, 40° contact angle, bear- solid steel shafts and cast iron or steel hous-
ce = diameter ratio of inner ring
ings are supplied in several different clearance/ ings. If different shaft materials are being
d = outside diameter of hollow shaft
preload classes. These bearings are identified used, MRC Application Engineering should be
(= bore diameter of bearing)
with additional suffix letters of either DE, DU, contacted in order to select more appropriate
di = internal diameter of hollow shaft
or DS for endplay, free-running no endplay, fit tolerances.
de = mean outside diameter of inner ring
or preload respectively. The PJDE suffix would Tapered bore bearings The fit is not appreciably affected until the
indicate a bearing specifically designed for diameter ratio of the hollow shaft ci ≥ 0.5.
paired mounting and axial endplay or loose- Bearings with tapered bores are mounted
either on tapered shafts or on slotted sleeves If the outside diameter of the inner ring is not
ness. The “DE” clearance class, without any known, the diameter ratio ce can be calculated
additional suffix code letters is equivalent to a having an external taper and mounted on
cylindrical shafts. In these cases, the fit of with sufficient accuracy from the equation.
“CB” clearance range (see table below). How-
the inner ring is not determined by the select- d
ever, the “DE” clearance class can also specify ce =
ed shaft tolerance but by the distance through K (D-d) + d
other clearance ranges if an additional 4-digit
which the ring is driven up on the tapered where
suffix code follows the “DE”. The other ranges
shaft or sleeve. Special precautions with re- d = bore diameter of bearing
include the “CA”, “CC”, and “CX” ranges which
spect to reduction in internal clearance must D = outside diameter of bearing
will be marked on the bearing box.
be observed. For the recommended mounting k = a factor for the bearing type
Duplex bearings may also be supplied with-
procedure refer to pages 86 and 87 in the k = 0.25 for self-aligning ball bearings
out axial clearance and without preload. This
self-aligning ball bearing section. series 22 and 23 and for cylindrical
range would be considered “free-running” or
roller bearings
“no endplay” and is designated by the suffix
k = 0.3 for all other bearings
letters “DU”. Ex. 7200PJDU.
Bearings with preload are identified with To determine the requisite interference fit for
the suffix letters “DS” on the bearing itself and a bearing to be mounted on a hollow shaft,
the bearing box would have an additional use is made of the mean probable interfer-
marking of either “DL”, “DM”, “DH”, or “DX” and ence between shaft diameter and bearing
a 4-digit MRC specification code, signifying bore obtained for the tolerance recommended
light, medium, heavy, or special preload for a solid shaft of the same diameter. If the
respectively. plastic deformation (smoothing) of the mating
surfaces produced during mounting is ne-
“CB” endplay per set glected, then the effective interference can be
Bore diameter (mm) Minimum Maximum equated to the mean probable interference.
Over Incl .001 mm .0001 inch .001 mm .0001 inch
– 10 14 6 22 9
10 18 15 6 23 9
18 30 18 7 26 10
30 50 22 9 30 12
50 80 26 10 38 15
80 120 32 13 44 17
120 180 35 14 47 19
180 250 45 18 61 24
250 315 52 21 68 27
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2.0
∆H
∆ V 1.8
1.6
d i d de
ce = 0.7
1.4
0.8
1.2
0.9
1.0
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
ci
Example:
A 208S deep groove ball bearing is to be
mounted on a hollow shaft having a diameter
ratio of Ci = 0.8. The recommended mean
probable interference for a solid steel shaft is
0.00055 determined from the tables for an
ABEC-1 grade bearing with a 40 mm bore
diameter.
40 = 0.77,
For Ci = 0.8 and Ce =
0.3 (80 – 40) + 40
The ratio ∆H /∆V =1.7 from the diagram.
Thus the required interference for the hollow
shaft is ∆H =1.7 × .00055 = .0009.
255
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4 4 0.1575 3.992 0.1572 4.006 0.1577 4.001 0.1575 3.996 0.1573 3.988 0.1570
5 5 0.1969 4.992 0.1966 5.006 0.1971 5.001 0.1969 1T 0 4.996 0.1967 4.988 0.1964 12L 5L
6 6 0.2362 5.992 0.2359 6.006 0.2364 6.001 0.2362 14T 5T 5.996 0.2360 5.988 0.2357 4T 1T
7 7 0.2756 6.992 0.2753 7.007 0.2759 7.001 0.2756 6.995 0.2754 6.986 0.2750
8 8 0.3150 7.992 0.3147 8.007 0.3153 8.001 0.3150 1T 0 7.995 0.3148 7.986 0.3144 14L 6L
9 9 0.3543 8.992 0.3540 9.007 0.3546 9.001 0.3543 15T 6T 8.995 0.3541 8.986 0.3537 3T 1T
10 10 0.3937 9.992 0.3934 10.007 0.3940 10.001 0.3937 9.995 0.3935 9.986 0.3931
12 12 0.4724 11.992 0.4721 12.009 0.4728 12.001 0.4724 11.994 0.4722 11.983 0.4717
15 15 0.5906 14.992 0.5903 15.009 0.5910 15.001 0.5906 1T 0 14.994 0.5904 14.983 0.5899 17L 7L
17 17 0.6693 16.992 0.6690 17.009 0.6697 17.001 0.6693 17T 7T 16.994 0.6691 16.983 0.6686 2T 1T
20 20 0.7874 19.990 0.7870 20.011 0.7878 20.002 0.7875 19.993 0.7871 19.980 0.7866
25 25 0.9843 24.990 0.9839 25.011 0.9847 25.002 0.9844 2T 1T 24.993 0.9840 24.980 0.9835 20L 8L
30 30 1.1811 29.990 1.1807 30.011 1.1815 30.002 1.1812 21T 8T 29.993 1.1808 29.980 1.1803 3T 1T
35 35 1.3780 34.987 1.3775 35.013 1.3785 35.002 1.3781 34.991 1.3776 34.975 1.3770
40 40 1.5748 39.987 1.5743 40.013 1.5753 40.002 1.5749 2T 1T 39.991 1.5744 39.975 1.5738 25L 10L
45 45 1.7717 44.987 1.7712 45.013 1.7722 45.002 1.7718 26T 10T 44.991 1.7713 44.975 1.7707 4T 1T
50 50 1.9685 49.987 1.9680 50.013 1.9690 50.002 1.9686 49.991 1.9681 49.975 1.9675
55 55 2.1654 54.985 2.1648 55.015 2.1660 55.002 2.1655 54.990 2.1650 54.971 2.1643
60 60 2.3622 59.985 2.3616 60.015 2.3628 60.002 2.3623 59.990 2.3618 59.971 2.3611
65 65 2.5591 64.985 2.5585 65.015 2.5597 65.002 2.5592 2T 1T 64.990 2.5587 64.971 2.5580 29L 11L
70 70 2.7559 69.985 2.7553 70.015 2.7565 70.002 2.7560 30T 12T 69.990 2.7555 69.971 2.7548 5T 2T
75 75 2.9528 74.985 2.9522 75.015 2.9534 75.002 2.9529 74.990 2.9524 74.971 2.9517
80 80 3.1496 79.985 3.1490 80.015 3.1502 80.002 3.1497 79.990 3.1492 79.971 3.1485
85 85 3.3465 84.980 3.3457 85.018 3.3472 85.003 3.3466 84.988 3.3460 84.966 3.3452
90 90 3.5433 89.980 3.5425 90.018 3.5440 90.003 3.5434 89.988 3.5428 89.966 3.5420
95 95 3.7402 94.980 3.7394 95.018 3.7409 95.003 3.7403 3T 1T 94.988 3.7397 94.966 3.7389 34L 13L
100 100 3.9370 99.980 3.9362 100.018 3.9377 100.003 3.9371 38T 15T 99.988 3.9365 99.966 3.9357 8T 3T
105 105 4.1339 104.980 4.1331 105.018 4.1346 105.003 4.1340 104.988 4.1334 104.966 4.1326
110 110 4.3307 109.980 4.3299 110.018 4.3314 110.003 4.3308 109.988 4.3302 109.966 4.3294
115 115 4.5276 114.980 4.5268 115.018 4.5283 115.003 4.5277 114.988 4.5271 114.966 4.5263
120 120 4.7244 119.980 4.7236 120.018 4.7251 120.003 4.7245 119.988 4.7239 119.966 4.7231
125 125 4.9213 124.975 4.9203 125.021 4.9221 125.003 4.9214 124.986 4.9207 124.961 4.9198
130 130 5.1181 129.975 5.1171 130.021 5.1189 130.003 5.1182 129.986 5.1175 129.961 5.1166
140 140 5.5118 139.975 5.5108 140.021 5.5126 140.003 5.5119 3T 1T 139.986 5.5112 139.961 5.5103 39L 15L
150 150 5.9055 149.975 5.9045 150.021 5.9063 150.003 5.9056 46T 18T 149.986 5.9049 149.961 5.9040 11T 4T
160 160 6.2992 159.975 6.2982 160.021 6.3000 160.003 6.2993 159.986 6.2986 159.961 6.2977
170 170 6.6929 169.975 6.6919 170.021 6.6937 170.003 6.6930 169.986 6.6923 169.961 6.6914
180 180 7.0866 179.975 7.0856 180.021 7.0874 180.003 7.0867 179.986 7.0860 179.961 7.0851
190 190 7.4803 189.970 7.4791 190.024 7.4812 190.004 7.4805 189.985 7.4797 189.956 7.4786
200 200 7.8740 199.970 7.8728 200.024 7.8749 200.004 7.8742 199.985 7.8734 199.956 7.8723
210 210 8.2677 209.970 8.2665 210.024 8.2626 210.004 8.2679 4T 2T 209.985 8.2671 209.956 8.2660 44L 17L
220 220 8.6614 219.970 8.6602 220.024 8.6623 220.004 8.6616 54T 21T 219.985 8.6608 219.956 8.6597 15T 6T
230 230 9.0551 229.970 9.0539 230.024 9.0560 230.004 9.0553 229.985 9.0545 229.956 9.0534
240 240 9.4488 239.970 9.4476 240.024 9.4497 240.004 9.4490 239.985 9.4482 239.956 9.4471
250 250 9.8425 249.970 9.8413 250.024 9.8434 250.004 9.8427 249.985 9.8419 249.956 9.8408
260 260 10.2362 259.965 10.2348 260.027 10.2373 260.004 10.2364 4T 2T 259.983 10.2355 259.951 10.2343 49L 19L
280 280 11.0236 279.965 11.0222 280.027 11.0247 280.004 11.0238 62T 25T 279.983 11.0229 279.951 11.0217 18T 7T
300 300 11.8110 299.965 11.8096 300.027 11.8121 300.004 11.8112 299.983 11.8103 299.951 11.8091
320 320 12.5984 319.960 12.5968 320.029 12.5995 320.004 12.5986 4T 2T 319.982 12.5977 319.946 12.5963 54L 21L
69T 27T 22T 9T
256
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R2 3.175 0.1250 3.167 0.1247 3.181 0.1252 3.175 0.1250 0 0 3.171 0.1248 3.163 0.1245 12L 5L
R2A 3.175 0.1250 3.167 0.1247 3.181 0.1252 3.175 0.1250 14T 5T 3.171 0.1248 3.163 0.1245 4T 1T
R3 4.763 0.1875 4.755 0.1872 4.769 0.1877 4.763 0.1875 4.759 0.1873 4.751 0.1870
R4 6.350 0.2500 6.342 0.2497 6.357 0.2503 6.350 0.2500 0 0 6.345 0.2498 6.336 0.2494 14L 6L
R4A 6.350 0.2500 6.342 0.2497 6.357 0.2503 6.350 0.2500 15T 6T 6.345 0.2498 6.336 0.2494 3T 1T
R6 9.525 0.3750 9.517 0.3747 9.532 0.3753 9.525 0.3750 9.520 0.3748 9.511 0.3744
R8 12.700 0.5000 12.692 0.4997 12.709 0.5004 12.700 0.5000 0 0 12.694 0.4998 12.683 0.4993 17L 7L
R10 15.875 0.6250 15.867 0.6247 15.884 0.6254 15.875 0.6250 17T 7T 15.869 0.6248 15.858 0.6243 2T 1T
R12 19.050 0.7500 19.040 0.7496 19.061 0.7504 19.052 0.7501 19.043 0.7497 19.030 0.7492
R14 22.225 0.8750 22.215 0.8746 22.236 0.8754 22.227 0.8751 2T 1T 22.218 0.8747 22.205 0.8742 20L 8L
R16 25.400 1.0000 25.390 0.9996 25.411 1.0004 25.402 1.0001 21T 8T 25.393 0.9997 25.380 0.9992 3T 1T
R18 28.575 1.1250 28.565 1.1246 28.586 1.1254 28.577 1.1251 28.568 1.1247 28.555 1.1242
R20 31.750 1.2500 31.737 1.2495 31.763 1.2505 31.752 1.2501 31.741 1.2496 31.725 1.2490
R24 38.100 1.5000 38.087 1.4995 38.113 1.5005 38.102 1.5001 38.091 1.4996 38.075 1.4990
XLS13/8 34.925 1.3750 34.912 1.3745 34.938 1.3755 34.927 1.3751 2T 1T 34.916 1.3746 34.900 1.3740 25L 10L
XLS11/2 38.100 1.5000 38.087 1.4995 38.113 1.5005 38.102 1.5001 26T 10T 38.091 1.4996 38.075 1.4990 4T 1T
XLS15/8 41.275 1.6250 41.262 1.6245 41.288 1.6255 41.277 1.6251 41.266 1.6246 41.250 1.6240
XLS13/4 44.450 1.7500 44.437 1.7495 44.463 1.7505 44.452 1.7501 44.441 1.7496 44.425 1.7490
XLS17/8 47.625 1.8750 47.612 1.8745 47.638 1.8755 47.627 1.8751 47.616 1.8746 47.600 1.8740
XLS2 50.800 2.0000 50.785 1.9994 50.815 2.0006 50.802 2.0001 50.790 1.9996 50.771 1.9989
XLS21/8 53.975 2.1250 53.960 2.1244 53.990 2.1256 53.977 2.1251 53.965 2.1246 53.946 2.1239
XLS21/4 57.150 2.2500 57.135 2.2494 57.165 2.2506 57.152 2.2501 2T 1T 57.140 2.2496 57.121 2.2489 29L 11L
XLS21/2 63.500 2.5000 63.485 2.4994 63.515 2.5006 63.502 2.5001 30T 12T 63.490 2.4996 63.471 2.4989 5T 2T
XLS25/8 66.675 2.6250 66.660 2.6244 66.690 2.6256 66.677 2.6251 66.665 2.6246 66.646 2.6239
XLS23/4 69.850 2.7500 69.835 2.7494 69.865 2.7506 69.852 2.7501 69.840 2.7496 69.821 2.7489
XLS3 76.200 3.0000 76.185 2.9994 76.215 3.0006 76.202 3.0001 76.190 2.9996 76.171 2.9989
XLS31/4 82.550 3.2500 82.530 3.2492 82.568 3.2507 82.553 3.2501 82.538 3.2495 82.516 3.2487
XLS31/2 88.900 3.5000 88.880 3.4992 88.918 3.5007 88.903 3.5001 3T 1T 88.888 3.4995 88.866 3.4987 34L 13L
XLS33/4 95.250 3.7500 95.230 3.7492 95.268 3.7507 95.253 3.7501 38T 15T 95.238 3.7495 95.216 3.7487 8T 3T
XLS41/4 107.950 4.2500 107.935 4.2492 107.973 4.2507 107.953 4.2501 107.943 4.2495 107.916 4.2487
XLS41/2 114.300 4.5000 114.285 4.4992 114.323 4.5007 114.303 4.5001 114.293 4.4995 114.266 4.4987
XLS43/4 120.650 4.7500 120.625 4.7490 120.671 4.7508 120.653 4.7501 120.636 4.7494 120.611 4.7485
XLS5 127.000 5.0000 126.975 4.9990 127.021 5.0008 127.003 5.0001 126.986 4.9994 126.961 4.9985
XLS51/2 139.700 5.5000 139.675 5.4990 139.721 5.5008 139.703 5.5001 3T 1T 139.686 5.4994 139.661 5.4985 39L 15L
XLS6 152.400 6.0000 152.375 5.9990 152.421 6.0008 152.403 6.0001 46T 18T 152.386 5.9994 152.361 5.9985 11T 4T
XLS61/4 158.750 6.2500 158.735 6.2490 158.781 6.2508 158.753 6.2501 158.746 6.2494 158.711 6.2485
XLS61/2 165.100 6.5000 165.075 6.4990 165.121 6.5008 165.103 6.5001 165.086 6.4994 165.061 6.4985
XLS7 177.800 7.0000 177.775 6.9990 177.821 7.0008 177.803 7.0001 177.786 6.9994 177.761 6.9985
XLS71/4 184.150 7.2500 184.120 7.2488 184.174 7.2509 184.154 7.2502 184.135 7.2494 184.106 7.2483
XLS73/4 196.850 7.7500 196.820 7.7488 196.874 7.7509 196.854 7.7502 196.835 7.7494 196.806 7.7483 44L 17L
XLS8 203.200 8.0000 203.170 7.9988 203.224 8.0009 203.204 8.0002 4T 2T 203.185 7.9994 203.156 7.9983 15T 6T
XLS81/4 209.950 8.2500 209.520 8.2488 209.574 8.2509 209.554 8.2502 54T 21T 209.535 8.2494 209.506 8.2483
XLS81/2 215.900 8.5000 215.870 8.4988 215.924 8.5009 215.904 8.5002 215.885 8.4994 215.856 8.4983
XLS9 228.600 9.0000 228.570 8.9988 228.624 9.0009 228.604 9.0002 228.585 8.9994 228.556 8.9983
XLS10 254.000 10.0000 253.965 9.9986 254.027 10.0011 254.004 10.0002 4T 2T 253.983 9.9993 253.951 9.9981 49L 19L
62T 25T 18T 7T
257
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16 16 0.6299 15.992 0.6296 16.011 0.6303 16 0.6299 19L 7L 15.993 0.6295 15.980 0.6291 2T 1T
0 0 20T 8T
19 19 0.7480 18.991 0.7476 19.013 0.7485 19 0.7480 18.989 0.7476 18.976 0.7471
21 21 0.8268 20.991 0.8264 21.013 0.8273 21 0.8268 20.989 0.8264 20.976 0.8259
22 22 0.8661 21.991 0.8657 22.013 0.8666 22 0.8661 21.989 0.8657 21.976 0.8652
24 24 0.9449 23.991 0.9445 24.013 0.9454 24 0.9449 22L 9L 23.989 0.9445 23.976 0.9440 2T 0
26 26 1.0236 25.991 1.0232 26.013 1.0241 26 1.0236 0 0 25.989 1.0232 25.976 1.0227 24T 9T
28 28 1.1024 27.991 1.1020 28.013 1.1029 28 1.1024 27.989 1.1020 27.976 1.1015
30 30 1.1811 29.991 1.1807 30.013 1.1816 30 1.1811 29.989 1.1807 29.976 1.1802
32 32 1.2598 31.989 1.2593 32.016 1.2604 32 1.2598 31.988 1.2593 31.972 1.2587
35 35 1.3780 34.989 1.3775 35.016 1.3786 35 1.3780 34.988 1.3775 34.972 1.3769
37 37 1.4567 36.989 1.4562 37.016 1.4573 37 1.4567 27L 11L 36.988 1.4562 36.972 1.4556 1T 0
40 40 1.5748 39.989 1.5743 40.016 1.5754 40 1.5748 0 0 39.988 1.5743 39.972 1.5737 28T 11T
42 42 1.6535 41.989 1.6530 42.016 1.6541 42 1.6535 41.988 1.6530 41.972 1.6524
47 47 1.8504 46.989 1.8499 47.016 1.8510 47 1.8504 46.988 1.8499 46.972 1.8493
52 52 2.0472 51.987 2.0467 52.019 2.0479 52 2.0472 51.986 2.0466 51.967 2.0459
55 55 2.1654 54.987 2.1649 55.019 2.1661 55 2.1654 54.986 2.1648 54.967 2.1641
58 58 2.2835 57.987 2.2830 58.019 2.2842 58 2.2835 57.986 2.2829 57.967 2.2822
62 62 2.4409 61.987 2.4404 62.019 2.4416 62 2.4409 61.986 2.4403 61.967 2.4396
65 65 2.5591 64.987 2.5586 65.019 2.5598 65 2.5591 32L 12L 64.986 2.5585 64.967 2.5578 1T 1T
68 68 2.6772 67.987 2.6767 68.019 2.6779 68 2.6772 0 0 67.986 2.6766 67.967 2.6759 33T 13T
70 70 2.7559 69.987 2.7554 70.019 2.7566 70 2.7559 69.986 2.7553 69.967 2.7546
72 72 2.8346 71.987 2.8341 72.019 2.8353 72 2.8346 71.986 2.8340 71.967 2.8333
75 75 2.9528 74.987 2.9523 75.019 2.9535 75 2.9528 74.986 2.9522 74.967 2.9515
78 78 3.0709 77.987 3.0704 78.019 3.0716 78 3.0709 77.986 3.0703 77.967 3.0696
80 80 3.1496 79.987 3.1491 80.019 3.1503 80 3.1496 79.986 3.1490 79.967 3.1483
85 85 3.3465 84.985 3.3459 85.022 3.3474 85 3.3465 84.984 3.3459 84.962 3.3450
90 90 3.5433 89.985 3.5427 90.022 3.5442 90 3.5433 89.984 3.5427 89.962 3.5418
95 95 3.7402 94.985 3.7396 95.022 3.7411 95 3.7402 94.984 3.7396 94.962 3.7387
100 100 3.9370 99.985 3.9364 100.022 3.9379 100 3.9370 37L 15L 99.984 3.9364 99.962 3.9355 1T 0
105 105 4.1339 104.985 4.1333 105.022 4.1348 105 4.1339 0 0 104.984 4.1333 104.962 4.1324 38T 15T
110 110 4.3307 109.985 4.3301 110.022 4.3316 110 4.3307 109.984 4.3301 109.962 4.3292
115 115 4.5276 114.985 4.5270 115.022 4.5285 115 4.5276 114.984 4.5270 114.962 4.5261
120 120 4.7244 119.985 4.7238 120.022 4.7253 120 4.7244 119.984 4.7238 119.962 4.7229
125 125 4.9213 124.982 4.9206 125.025 4.9223 125 4.9213 124.980 4.9205 124.955 4.9195
130 130 5.1181 129.982 5.1174 130.025 5.1191 130 5.1181 129.980 5.1173 129.955 5.1163
135 135 5.3150 134.982 5.3143 135.025 5.3160 135 5.3150 134.980 5.3142 134.955 5.3132
140 140 5.5118 139.982 5.5111 140.025 5.5128 140 5.5118 43L 17L 139.980 5.5110 139.955 5.5100 2T 1T
145 145 5.7087 144.982 5.7080 145.025 5.7097 145 5.7087 0 0 144.980 5.7079 144.955 5.7069 45T 18T
150 150 5.9055 149.982 5.9048 150.025 5.9065 150 5.9055 149.980 5.9047 149.955 5.9037
160 160 6.2992 159.975 6.2982 160.025 6.3002 160 6.2992 159.980 6.2984 159.955 6.2973
165 165 6.4961 164.975 6.4951 165.025 6.4971 165 6.4961 50L 20L 164.980 6.4953 164.955 6.4942 5L 2L
170 170 6.6929 169.975 6.6919 170.025 6.6939 170 6.6929 0 0 169.980 6.6921 169.955 6.6910 45T 19T
175 175 6.8898 174.975 6.8888 175.025 6.8908 175 6.8898 174.980 6.8890 174.955 6.8879
180 180 7.0866 179.975 7.0856 180.025 7.0876 180 7.0866 179.980 7.0858 179.955 7.0847
190 190 7.4803 189.970 7.4791 190.029 7.4814 190 7.4803 189.978 7.4794 189.949 7.4783
200 200 7.8740 199.970 7.8728 200.029 7.8751 200 7.8740 199.978 7.8731 199.949 7.8720
205 205 8.0709 204.970 8.0697 205.029 8.0720 205 8.0709 204.978 8.0700 204.949 8.0689
210 210 8.2677 209.970 8.2665 210.029 8.2688 210 8.2677 209.978 8.2668 209.949 8.2657
215 215 8.4646 214.970 8.4634 215.029 8.4657 215 8.4646 59L 23L 214.978 8.4637 214.949 8.4626 8L 3L
220 220 8.6614 219.970 8.6602 220.029 8.6625 220 8.6614 0 0 219.978 8.6605 219.949 8.6594 51T 20T
225 225 8.8583 224.970 8.8571 225.029 8.8594 225 8.8583 224.978 8.8574 224.949 8.8563
230 230 9.0551 229.970 9.0539 230.029 9.0562 230 9.0551 229.978 9.0542 229.949 9.0531
235 235 9.2520 234.970 9.2508 235.029 9.2531 235 9.2520 234.978 9.2511 234.949 9.2500
240 240 9.4488 239.970 9.4476 240.029 9.4499 240 9.4488 239.978 9.4479 239.949 9.4468
250 250 9.8425 249.970 9.8413 250.029 9.8436 250 9.8425 249.978 9.8416 249.949 9.8405
260 260 10.2362 259.965 10.2348 260.032 10.2375 260 10.2362 259.975 10.2352 259.943 10.2340
265 265 10.4331 264.965 10.4317 265.032 10.4344 265 10.4331 264.975 10.4321 264.943 10.4309
270 270 10.6299 269.965 10.6285 270.032 10.6312 270 10.6299 269.975 10.6289 269.943 10.6277
280 280 11.0236 279.965 11.0222 280.032 11.0249 280 11.0236 67L 27L 279.975 11.0226 279.943 11.0214 10L 4L
290 290 11.4173 289.905 11.4159 290.032 11.4186 290 11.4173 0 0 289.975 11.4163 289.943 11.4151 57T 22T
300 300 11.8110 299.965 11.8096 300.032 11.8123 300 11.8110 299.975 11.8100 299.943 11.8088
310 310 12.2047 309.965 12.2033 310.032 12.2060 310 12.2047 309.975 12.2037 309.943 12.2025
320 320 12.5984 319.960 12.5968 320.036 12.5998 320 12.5984 319.974 12.5974 319.939 12.5960
340 340 13.3858 339.960 13.3842 340.036 13.3872 340 13.3858 339.974 13.3848 339.939 13.3834
350 350 13.7795 349.960 13.7779 350.036 13.7809 350 13.7795 349.974 13.7785 349.939 13.7771
360 360 14.1732 359.960 14.1716 360.036 14.1746 360 14.1732 76L 30L 359.974 14.1722 359.939 14.1708 14L 6L
370 370 14.5669 369.960 14.5653 370.036 14.5683 370 14.5669 0 0 369.974 14.5659 369.939 14.5645 61T 24T
380 380 14.9606 379.960 14.9590 380.036 14.9620 380 14.9606 379.974 14.9596 379.939 14.9582
390 390 15.3543 389.960 15.3527 390.036 15.3557 390 15.3543 389.974 15.3533 389.939 15.3519
400 400 15.7480 399.960 15.7464 400.036 15.7494 400 15.7480 399.974 15.7470 399.939 15.7456
410 410 16.1417 409.955 16.1399 410.040 16.1433 410 16.1417 409.973 16.1406 409.933 16.1391
420 420 16.5354 419.955 16.5336 420.040 16.5370 420 16.5354 419.973 16.5343 419.933 16.5328
430 430 16.9291 429.955 16.9273 430.040 16.9307 430 16.9291 429.973 16.9280 429.933 16.9265
440 440 17.3228 439.955 17.3210 440.040 17.3244 440 17.3228 85L 34L 439.973 17.3217 439.933 17.3202 18L 7L
460 460 18.1102 459.955 18.1084 460.040 18.1118 460 18.1102 0 0 459.973 18.1091 459.933 18.1076 67T 26T
480 480 18.8976 479.955 18.8958 480.040 18.8992 480 18.8976 479.973 18.8965 479.933 18.8950
500 500 19.6850 499.955 19.6832 500.040 19.6866 500 19.6850 499.973 19.6839 499.933 19.6824
520 520 20.4724 519.950 20.4704 520.044 20.4741 520 20.4724 519.956 20.4707 519.911 20.4689
540 540 21.2598 539.950 21.2578 540.044 21.2615 540 21.2598 539.956 21.2581 539.911 21.2563
560 560 22.0472 559.950 22.0452 560.044 22.0489 560 22.0472 94L 37L 559.956 22.0455 559.911 22.0437 6L 3L
580 580 22.8346 579.950 22.8326 580.044 22.8363 580 22.8346 0 0 579.956 22.8329 579.911 22.8311 89T 35T
600 600 23.6220 599.950 23.6200 600.044 23.6237 600 23.6220 599.956 23.6203 599.911 23.6185
620 620 24.4094 619.950 24.4074 620.044 24.4111 620 24.4094 619.956 24.4077 619.911 24.4059
For aluminum or other soft metal housings, make bore limits same as bearing O.D. limits.
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R2 9.525 0.3750 9.517 0.3747 9.536 0.3754 9.525 0.3750 9.515 0.3746 9.505 0.3742
R2A 12.700 0.5000 12.692 0.4997 12.711 0.5004 12.700 0.5000 19L 7L 12.690 0.4996 12.680 0.4992 2T 1T
R3 12.700 0.5000 12.692 0.4997 12.711 0.5004 12.700 0.5000 0 0 12.690 0.4996 12.680 0.4992 20T 8T
R4 15.875 0.6250 15.867 0.6247 15.886 0.6254 15.875 0.6250 15.865 0.6246 15.855 0.6242
R4A 19.050 0.7500 19.041 0.7496 19.063 0.7505 19.050 0.7500 22L 9L 19.039 0.7496 19.026 0.7491 2T 0
R6 22.225 0.8750 22.216 0.8746 22.238 0.8755 22.225 0.8750 0 0 22.214 0.8746 22.201 0.8741 24T 9T
R8 28.575 1.1250 28.566 1.1246 28.588 1.1255 28.575 1.1250 28.564 1.1246 28.551 1.1241
R10 34.925 1.3750 34.914 1.3745 34.941 1.3756 34.925 1.3750 27L 11L 34.913 1.3744 34.897 1.3739 1T 1T
R12 41.275 1.6250 41.264 1.6245 41.291 1.6256 41.275 1.6250 0 0 41.263 1.6244 41.247 1.6239 28T 11T
R14 47.625 1.8750 47.614 1.8745 47.641 1.8756 47.625 1.8750 47.613 1.8744 47.597 1.8739
R16 50.800 2.0000 50.787 1.9995 50.819 2.0007 50.800 2.0000 50.786 1.9994 50.767 1.9987
R18 53.975 2.1250 53.962 2.1245 53.994 2.1257 53.975 2.1250 53.961 2.1244 53.942 2.1237
R20 57.150 2.2500 57.137 2.2495 57.169 2.2507 57.150 2.2500 32L 12L 57.136 2.2494 57.117 2.2487 1T 1T
R24 66.675 2.6250 66.662 2.6245 66.694 2.6257 66.675 2.6250 0 0 66.661 2.6244 66.642 2.6237 33T 13T
XLS13/8 65.088 2.5625 65.151 2.5620 65.183 2.5632 65.088 2.5625 65.150 2.5619 65.055 2.5612
XLS11/2 68.263 2.6875 68.250 2.6870 68.282 2.6882 68.263 2.6875 68.249 2.6869 68.230 2.6862
XLS13/8 73.025 2.8750 73.012 2.8745 73.044 2.8757 73.025 2.8750 73.011 2.8744 72.992 2.8737
XLS13/4 76.200 3.0000 76.187 2.9995 76.219 3.0007 76.200 3.0000 76.186 2.9994 76.167 2.9987
XLS17/8 80.963 3.1875 80.948 3.1869 80.985 3.1884 80.963 3.1875 80.947 3.1869 80.925 3.1860
XLS2 84.138 3.3125 84.123 3.3119 84.160 3.3134 84.138 3.3125 84.122 3.3119 84.100 3.3110
XLS21/8 87.313 3.4375 87.298 3.4369 87.335 3.4384 87.313 3.4375 37L 15L 87.297 3.4369 87.275 3.4360 1T 0
1
XLS2 /4 90.488 3.5625 90.473 3.5619 90.510 3.5634 90.488 3.5625 0 0 90.472 3.5619 90.450 3.5610 38T 15T
XLS21/2 98.425 3.8750 98.410 3.8744 98.447 3.8759 98.425 3.8750 98.409 3.8744 98.387 3.8735
XLS25/8 104.775 4.1250 104.760 4.1244 104.797 4.1259 104.775 4.1250 104.759 4.1244 104.737 4.1235
XLS23/4 104.775 4.1250 104.760 4.1244 104.797 4.1259 104.775 4.1250 104.759 4.1244 104.737 4.1235
XLS3 114.300 4.5000 114.285 4.4994 114.322 4.5009 114.300 4.5000 114.284 4.4994 114.262 4.4985
XLS31/4 120.650 4.7500 120.632 4.7493 120.675 4.7510 120.650 4.7500 43L 17L 120.630 4.7492 120.605 4.7482 2T 1T
XLS31/2 127.000 5.0000 126.982 4.9993 126.995 5.0010 127.000 5.0000 0 0 126.980 4.9992 126.955 4.9982 45T 18T
XLS33/4 133.350 5.2500 133.332 5.2493 133.375 5.2510 133.350 5.2500 133.330 5.2492 133.305 5.2482
XLS41/4 152.400 6.0000 152.375 5.9990 152.425 6.0010 152.400 6.0000 152.380 5.9992 152.355 5.9981
XLS41/2 158.750 6.2500 158.725 6.2490 158.775 6.2510 158.750 6.2500 50L 20L 158.730 6.2492 158.705 6.2481 5L 2L
XLS43/4 165.100 6.5000 165.075 6.4990 165.125 6.5010 165.100 6.5000 0 0 165.080 6.4992 165.055 6.4981 45T 18T
XLS5 177.800 7.0000 177.775 6.9990 177.825 7.0010 177.800 7.0000 177.780 6.9992 177.755 6.9981
XLS51/2 190.500 7.5000 190.470 7.4988 190.529 7.5011 190.500 7.5000 190.478 7.4991 190.449 7.4980
XLS6 203.200 8.0000 203.170 7.9988 203.229 8.0011 203.200 8.0000 203.178 7.9991 203.149 7.9980
XLS61/4 215.900 8.5000 215.870 8.4988 215.929 8.5011 215.900 8.5000 59L 23L 215.878 8.4991 215.849 8.4980 8L 3L
XLS61/2 222.250 8.7500 222.220 8.7488 222.279 8.7511 222.250 8.7500 0 0 222.228 8.7491 222.199 8.7480 51T 20T
XLS7 241.300 9.5000 241.270 9.4988 241.329 9.5011 241.300 9.5000 241.278 9.4991 241.249 9.4980
XLS71/4 247.650 9.7500 247.620 9.7488 247.679 9.7511 247.650 9.7500 247.628 9.7491 247.599 9.7480
XLS73/4 266.700 10.5000 266.665 10.4986 266.732 10.5013 266.700 10.5000 266.675 10.4990 266.643 10.4978
XLS8 273.051 10.7500 273.016 10.7486 273.083 10.7513 273.051 10.7500 67L 27L 273.026 10.7490 272.994 10.7478 10L 4L
XLS81/4 279.401 11.0000 279.366 10.9986 279.433 11.0013 279.401 11.0000 0 0 279.376 10.9990 279.344 10.9978 57T 22T
XLS81/2 292.101 11.5000 292.066 11.4986 292.133 11.5013 292.101 11.5000 292.076 11.4990 292.044 11.4978
XLS9 304.801 12.0000 304.766 11.9986 304.833 12.0013 304.801 12.0000 304.776 11.9990 304.744 11.9978
XLS10 336.551 13.2500 336.514 13.2484 336.587 13.2514 336.551 13.2500 76L 30L 336.525 13.2490 336.489 13.2476 14L 6L
0 0 62T 24T
For aluminum or other soft metal housings, make bore limits same as bearing O.D. limits.
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260
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Classification for metric radial ball and roller bearings with cylindrical bore,
Classes ABEC-1, RBEC-1 (except inch dimensioned taper roller bearings)
Shaft diameter, mm
Conditions Examples Ball bearings1) Tolerance6)
1) For normally to heavily loaded ball bearings (P > 0.05 C), radial clearance greater than normal is often needed when the shaft tolerances in the table above are used. Sometimes the working conditions
require tighter fits to prevent ball bearing inner rings from turning (creeping) on the shaft. If proper clearance, mostly larger than normal clearance is selected, the following tolerances can then be used:
k4 for shaft diameters 10 to 17 mm, k5 for shaft diameters 18 to 25 mm, m5 for shaft diameters 26 to 140 mm, n6 for shaft diameters 141 to 300 mm, p6 for shaft diameters 301 to 500 mm
For additional information please contact SKF Application Engineering.
2) The tolerance in brackets applies to stainless steel bearings.
3) For stainless steel bearings within the diameter range 17 to 30 mm, tolerance j5 applies.
4) Bearings with radial internal clearance greater than normal are recommended for d ≤ 150 mm. For d > 150 mm bearings with radial internal clearance greater than normal may be necessary.
5) Tolerance f6 can be selected for large bearings to provide easy displacement.
6) See page 262 for specific shaft diameters.
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Bearing bore m5 m6 n6
diameter Shaft Resultant Shaft Resultant Shaft Resultant
inches diameter fit1) in diameter fit1) in diameter fit1) in
mm Max Min Max Min 0.0001˝ Max Min 0.0001˝ Max Min 0.0001˝
4 0.1575 0.1572 0.1579 0.1577 0.1580 0.1577 0.1581 0.1578
5 0.1969 0.1966 0.1973 0.1971 2T 0.1974 0.1971 2T 0.1975 0.1972 3T
6 0.2362 0.2359 0.2366 0.2364 7T 0.2367 0.2364 8T 0.2368 0.2365 9T
7 0.2756 0.2753 0.2761 0.2758 0.2762 0.2758 0.2763 0.2760
8 0.3150 0.3147 0.3155 0.3152 2T 0.3156 0.3152 2T 0.3157 0.3154 4T
9 0.3543 0.3540 0.3548 0.3545 8T 0.3549 0.3545 9T 0.3550 0.3547 10 T
10 0.3937 0.3934 0.3942 0.3939 0.3943 0.3939 0.3944 0.3941
12 0.4724 0.4721 0.4730 0.4727 0.4731 0.4727 0.4733 0.4729
15 0.5906 0.5903 0.5912 0.5909 3T 0.5913 0.5909 3T 0.5915 0.5911 5T
17 0.6693 0.6690 0.6699 0.6696 9T 0.6700 0.6696 10 T 0.6702 0.6698 12 T
20 0.7874 0.7870 0.7881 0.7877 0.7882 0.7877 0.7885 0.7880
25 0.9843 0.9839 0.9850 0.9846 3T 0.9851 0.9846 3T 0.9854 0.9849 6T
30 1.1811 1.1807 1.1818 1.1814 11 T 1.1819 1.1814 12 T 1.1822 1.1817 15 T
35 1.3780 1.3775 1.3788 1.3784 1.3790 1.3784 1.3793 1.3787
40 1.5748 1.5743 1.5756 1.5752 4T 1.5758 1.5752 4T 1.5761 1.5755 7T
45 1.7717 1.7712 1.7725 1.7721 13 T 1.7727 1.7721 15 T 1.7730 1.7724 18 T
50 1.9685 1.9680 1.9693 1.9689 1.9695 1.9689 1.9698 1.9692
55 2.1654 2.1648 2.1663 2.1658 2.1666 2.1658 2.1669 2.1662
60 2.3622 2.3616 2.3631 2.3626 2.3634 2.3626 2.3637 2.3630
65 2.5591 2.5585 2.5600 2.5595 4T 2.5603 2.5595 4T 2.5606 2.5599 8T
70 2.7559 2.7553 2.7568 2.7563 15 T 2.7571 2.7563 18 T 2.7574 2.7567 21 T
75 2.9528 2.9522 2.9537 2.9532 2.9540 2.9532 2.9543 2.9536
80 3.1496 3.1490 3.1505 3.1500 3.1508 3.1500 3.1511 3.1504
85 3.3465 3.3457 3.3476 3.3470 3.3479 3.3470 3.3483 3.3474
90 3.5433 3.5425 3.5444 3.5438 3.5447 3.5438 3.5451 3.5442
95 3.7402 3.7394 3.7413 3.7407 3.7416 3.7407 3.7420 3.7411
100 3.9370 3.9362 3.9381 3.9375 5T 3.9384 3.9375 5T 3.9388 3.9379 9T
105 4.1339 4.1331 4.1350 4.1344 19 T 4.1353 4.1344 22 T 4.1357 4.1348 26 T
110 4.3307 4.3299 4.3318 4.3312 4.3321 4.3312 4.3325 4.3316
115 4.5276 4.5268 4.5287 4.5281 4.5290 4.5281 4.5294 4.5285
120 4.7244 4.7236 4.7255 4.7249 4.7258 4.7249 4.7262 4.7253
125 4.9213 4.9203 4.9226 4.9219 4.9229 4.9219 4.9233 4.9224
130 5.1181 5.1171 5.1194 5.1187 5.1197 5.1187 5.1201 5.1192
140 5.5118 5.5108 5.5131 5.5124 5.5134 5.5124 5.5138 5.5129
150 5.9055 5.9045 5.9068 5.9061 6T 5.9071 5.9061 6T 5.9075 5.9066 11 T
160 6.2992 6.2982 6.3005 6.2998 23 T 6.3008 6.2998 26 T 6.3012 6.3003 30 T
170 6.6929 6.6919 6.6942 6.6935 6.6945 6.6935 6.6949 6.6940
180 7.0866 7.0856 7.0879 7.0872 7.0882 7.0872 7.0886 7.0877
190 7.4803 7.4791 7.4818 7.4810 7.4821 7.4810 7.4827 7.4815
200 7.8740 7.8728 7.8755 7.8747 7T 7.8758 7.8747 7T 7.8764 7.8752 12 T
220 8.6614 8.6602 8.6629 8.6621 27 T 8.6632 8.6621 30 T 8.6638 8.6626 36 T
240 9.4488 9.4476 9.4503 9.4495 9.4506 9.4495 9.4512 9.4500
250 9.8425 9.8413 9.8440 9.8432 9.8443 9.8432 9.8449 9.8437
260 10.2362 10.2348 10.2379 10.2370 10.2382 10.2370 10.2388 10.2375
280 11.0236 11.0222 11.0253 11.0244 8T 11.0256 11.0244 8T 11.0262 11.0249 13 T
300 11.8110 11.8096 11.8127 11.8118 31 T 11.8130 11.8118 34 T 11.8136 11.8123 40 T
310 12.2047 12.2033 12.2064 12.2055 12.2067 12.2055 12.2073 12.2060
320 12.5984 12.5968 12.6002 12.5992 12.6006 12.5992 12.6013 12.5999
340 13.3858 13.3842 13.3876 13.3866 13.3880 13.3866 13.3887 13.3873
350 13.7795 13.7779 13.7813 13.7803 8T 13.7817 13.7803 8T 13.7824 13.7810 15 T
360 14.1732 14.1716 14.1750 14.1740 34 T 14.1754 14.1740 38 T 14.1761 14.1747 45 T
380 14.9606 14.9590 14.9624 14.9614 14.9628 14.9614 14.9635 14.9621
400 15.7480 15.7464 15.7498 15.7488 15.7502 15.7488 15.7509 15.7495
420 16.5354 16.5336 16.5374 16.5363 16.5379 16.5363 16.5385 16.5370
440 17.3228 17.3210 17.3248 17.3237 9T 17.3253 17.3237 9T 17.3259 17.3244 16 T
460 18.1102 18.1084 18.1122 18.1111 38 T 18.1127 18.1111 43 T 18.1133 18.1118 49 T
480 18.8976 18.8958 18.8996 18.8985 18.9001 18.8985 18.9007 18.8992
500 19.6850 19.6832 19.6870 19.6859 19.6875 19.6859 19.6881 19.6866
530 20.8661 20.8641 20.8683 20.8671 — — 20.8696 20.8678
560 22.0472 22.0452 22.0494 22.0482 10 T — — 22.0507 22.0489 17 T
600 23.6220 23.6200 23.6242 23.6230 42 T — — 23.6255 23.6237 55 T
630 24.8031 24.8011 24.8053 24.8041 — — 24.8066 24.8048
660 25.9843 25.9813 25.9869 25.9855 — — 25.9882 25.9863
670 26.3780 26.3750 26.3806 26.3792 — — 26.3819 26.3800
710 27.9528 27.9498 27.9554 27.9540 12 T — — 27.9567 27.9548 20 T
750 29.5276 29.5246 29.5302 29.5288 56 T — — 29.5315 29.5296 69 T
780 30.7087 30.7057 30.7113 30.7099 — — 30.7126 30.7107
800 31.4961 31.4931 31.4987 31.4973 — — 31.5000 31.4981
850 33.4646 33.4607 33.4675 33.4659 — — 33.4690 33.4668
900 35.4331 35.4292 35.4360 35.4344 13 T — — 35.4375 35.4353 22 T
950 37.4016 37.3977 37.4045 37.4029 68 T — — 37.4060 37.4038 83 T
1000 39.3701 39.3662 39.3730 39.3714 — — 39.3745 39.3723
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The ISO housing tolerances listed are shown in the tables on pages 266 and 267.
Displacement
Conditions Examples Tolerance
of outer ring
Inner ring rotation
Loads of all kinds General bearing applications, railway axleboxes H61) Can be displaced
Light and normal loads (P ≤ 0.10C)
General bearing applications H8 Can be displaced
with simple working conditions
Drying cylinders, large electrical machines
Heat conduction through shaft G72) Can be displaced
with spherical roller bearings
*Variable external loads, shock loads, and vibratory and unbalanced loads in high-speed machinery cannot be accurately described and are classified as “direction of load indeterminate.”
**Warning: If a press fit is also being used on the shaft, special consideration should be given to assembly and bearing internal clearance.
1) For large bearings (D > 250 mm) and temperature difference between outer ring and housing >10° C, use G7.
2) For large bearings (D > 250 mm) and temperature difference between outer ring and housing >10° C, use F7.
3) Not applicable to high precision bearings.
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266
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16 0.6299 0.6296 0.6296 0.6303 7L 0.6294 0.6301 5L 0.6292 0.6299 3L 0.6290 0.6297 1L 0.6288 0.6295 1T
3T 5T 7T 9T 11 T
19 0.7480 0.7476 0.7476 0.7485 0.7474 0.7482 0.7472 0.7480 0.7469 0.7477 0.7466 0.7474
22 0.8661 0.8657 0.8657 0.8666 0.8655 0.8663 0.8653 0.8661 0.8650 0.8658 0.8647 0.8655
24 0.9449 0.9445 0.9445 0.9454 9L 0.9443 0.9451 6L 0.9441 0.9449 4L 0.9438 0.9446 1L 0.9435 0.9443 2T
26 1.0236 1.0232 1.0232 1.0241 4T 1.0230 1.0238 6T 1.0228 1.0236 8T 1.0225 1.0233 11 T 1.0222 1.0230 14 T
28 1.1024 1.1020 1.1020 1.1029 1.1018 1.1026 1.1016 1.1024 1.1013 1.1021 1.1010 1.1018
30 1.1811 1.1807 1.1807 1.1816 1.1805 1.1813 1.1803 1.1811 1.1800 1.1808 1.1797 1.1805
32 1.2598 1.2594 1.2594 1.2604 1.2591 1.2601 1.2588 1.2598 1.2585 1.2595 1.2581 1.2591
35 1.3780 1.3776 1.3776 1.3786 1.3773 1.3783 1.3770 1.3780 1.3767 1.3777 1.3763 1.3773
37 1.4567 1.4563 1.4563 1.4573 10 L 1.4560 1.4570 7L 1.4557 1.4567 4L 1.4554 1.4564 1L 1.4550 1.4560 3T
40 1.5748 1.5744 1.5744 1.5754 4T 1.5741 1.5751 7T 1.5738 1.5748 10 T 1.5735 1.5745 13 T 1.5731 1.5741 17 T
42 1.6535 1.6531 1.6531 1.6541 1.6528 1.6538 1.6525 1.6535 1.6522 1.6532 1.6518 1.6528
47 1.8504 1.8500 1.8500 1.8510 1.8497 1.8507 1.8494 1.8504 1.8491 1.8501 1.8487 1.8497
52 2.0472 2.0467 2.0467 2.0479 2.0464 2.0476 2.0460 2.0472 2.0457 2.0468 2.0452 2.0464
55 2.1654 2.1649 2.1649 2.1661 2.1646 2.1658 2.1642 2.1654 2.1639 2.1650 2.1634 2.1646
62 2.4409 2.4404 2.4404 2.4416 12 L 2.4401 2.4413 9L 2.4397 2.4409 5L 2.4394 2.4405 1L 2.4389 2.4401 3T
68 2.6772 2.6767 2.6767 2.6779 5T 2.6764 2.6776 8T 2.6760 2.6772 12 T 2.6760 2.6770 15 T 2.6752 2.6763 20 T
72 2.8346 2.8341 2.8341 2.8353 2.8338 2.8350 2.8334 2.8346 2.8331 2.8342 2.8326 2.8338
75 2.9527 2.9522 2.9522 2.9534 2.9519 2.9531 2.9516 2.9528 2.9510 2.9520 2.9507 2.9519
80 3.1496 3.1491 3.1491 3.1503 3.1488 3.1500 3.1484 3.1496 3.1481 3.1492 3.1476 3.1488
85 3.3465 3.3459 3.3460 3.3474 3.3455 3.3469 3.3451 3.3465 3.3447 3.3461 3.3442 3.3456
90 3.5433 3.5427 3.5428 3.5442 3.5423 3.5437 3.5419 3.5433 3.5415 3.5429 3.5410 3.5424
95 3.7402 3.7396 3.7397 3.7411 3.7392 3.7406 3.7388 3.7402 3.7380 3.7400 3.7378 3.7392
100 3.9370 3.9364 3.9365 3.9379 15 L 3.9360 3.9374 10 L 3.9356 3.9370 6L 3.9352 3.9366 2L 3.9347 3.9361 3T
110 4.3307 4.3301 4.3302 4.3316 5T 4.3297 4.3311 10 T 4.3293 4.3307 14 T 4.3289 4.3303 18 T 4.3284 4.3298 23 T
115 4.5276 4.5270 4.5271 4.5285 4.5266 4.5280 4.5262 4.5276 4.5258 4.5272 4.5253 4.5267
120 4.7244 4.7238 4.7239 4.7253 4.7234 4.7248 4.7230 4.7244 4.7226 4.7240 4.7221 4.7235
125 4.9213 4.9206 4.9207 4.9223 4.9202 4.9218 4.9197 4.9213 4.9193 4.9208 4.9186 4.9202
130 5.1181 5.1174 5.1175 5.1191 5.1170 5.1186 5.1165 5.1181 5.1161 5.1176 5.1154 5.1170
140 5.5118 5.5111 5.5112 5.5128 17 L 5.5107 5.5123 12 L 5.5102 5.5118 7L 5.5098 5.5113 2L 5.5091 5.5107 4T
145 5.7087 5.7080 5.7081 5.7097 6T 5.7076 5.7092 11 T 5.7071 5.7087 16 T 5.7067 5.7082 20 T 5.7060 5.7076 27 T
150 5.9055 5.9048 5.9049 5.9065 5.9044 5.9060 5.9039 5.9055 5.9035 5.9050 5.9028 5.9044
160 6.2992 6.2982 6.2986 6.3002 6.2981 6.2997 6.2976 6.2992 6.2972 6.2987 6.2965 6.2981
165 6.4961 6.4951 6.4955 6.4971 20 L 6.4950 6.4966 15 L 6.4945 6.4961 10 L 6.4940 6.4960 5L 6.4934 6.4950 1T
170 6.6929 6.6919 6.6923 6.6939 6T 6.6918 6.6934 11 T 6.6913 6.6929 16 T 6.6909 6.6924 20 T 6.6902 6.6918 27 T
180 7.0866 7.0856 7.0860 7.0876 7.0855 7.0871 7.0850 7.0866 7.0846 7.0861 7.0839 7.0855
190 7.4803 7.4791 7.4797 7.4815 7.4790 7.4808 7.4785 7.4803 7.4779 7.4797 7.4772 7.4790
200 7.8740 7.8728 7.8734 7.8752 7.8727 7.8745 7.8722 7.8740 7.8716 7.8734 7.8709 7.8727
210 8.2677 8.2665 8.2671 8.2689 8.2664 8.2682 8.2659 8.2677 8.2653 8.2671 8.2646 8.2664
215 8.4646 8.4634 8.4640 8.4658 24 L 8.4633 8.4651 17 L 8.4628 8.4646 12 L 8.4622 8.4640 6L 8.4615 8.4633 1T
220 8.6614 8.6602 8.6608 8.6626 6T 8.6601 8.6619 13 T 8.6596 8.6614 18 T 8.6590 8.6610 24 T 8.6583 8.6601 31 T
225 8.8583 8.8571 8.8577 8.8595 8.8570 8.8588 9.0571 8.8583 8.8559 8.8577 8.8552 8.8570
230 9.0551 9.0539 9.0545 9.0563 9.0538 9.0556 9.0533 9.0551 9.0530 9.0550 9.0520 9.0538
240 9.4488 9.4476 9.4482 9.4500 9.4475 9.4493 9.4470 9.4488 9.4464 9.4482 9.4457 9.4475
250 9.8425 9.8413 9.8419 9.8437 9.8412 9.8430 9.8407 9.8425 9.8401 9.8419 9.8394 9.8412
260 10.2362 10.2348 10.2356 10.2376 10.2348 10.2368 10.2342 10.2362 10.2336 10.2356 10.2327 10.2348
270 10.6299 10.6285 10.6293 10.6313 10.6285 10.6305 10.6279 10.6299 10.6270 10.6290 10.6265 10.6285
280 11.0236 11.0222 11.0230 11.0250 28 L 11.0222 11.0242 20 L 11.0216 11.0236 14 L 11.0210 11.0230 8L 11.0201 11.0222 0T
290 11.4173 11.4159 11.4167 11.4187 6T 11.4159 11.4179 14 T 11.4153 11.4173 20 T 11.4150 11.4170 26 T 11.4139 11.4159 35 T
300 11.8110 11.8096 11.8104 11.8124 11.8096 11.8116 11.8090 11.8110 11.8084 11.8104 11.8075 11.8096
310 12.2047 12.2033 12.2041 12.2061 12.2033 12.2053 12.2027 12.2047 12.2021 12.2041 12.2012 12.2033
320 12.5984 12.5968 12.5977 12.5999 12.5968 12.5991 12.5962 12.5984 12.5955 12.5978 12.5945 12.5968
340 13.3858 13.3842 13.3851 13.3873 13.3842 13.3865 12.3836 12.3858 13.3829 13.3852 13.3819 13.3842
360 14.1732 14.1716 14.1725 14.1747 31 L 14.1716 14.1739 23 L 14.1710 14.1732 16 L 14.1703 14.1726 10 L 14.1693 14.1716 0T
370 14.5669 14.5654 14.5662 14.5685 7T 14.5653 14.5677 16 T 14.5647 14.5669 22 T 14.5640 14.5660 29 T 14.5631 14.5653 39 T
380 14.9606 14.9590 14.9599 14.9621 14.9590 14.9613 14.9584 14.9606 14.9577 14.9600 14.9567 14.9590
400 15.7480 15.7464 15.7473 15.7495 15.7464 15.7487 15.7458 15.7480 15.7451 15.7474 15.7441 15.7464
420 16.5354 16.5336 16.5346 16.5371 16.5336 16.5361 16.5329 16.5354 16.5323 16.5347 16.5311 16.5336
440 17.3228 17.321 17.3220 17.3245 35 L 17.3210 17.3235 25 L 17.3203 17.3228 18 L 17.3197 17.3221 11 L 17.3185 17.3210 0T
460 18.1102 18.1084 18.1094 18.1119 8T 18.1084 18.1109 18 T 18.1077 18.1102 25 T 18.1071 18.1095 31 T 18.1059 18.1084 43 T
480 18.8976 18.8958 18.8968 18.8993 18.8958 18.8983 18.8951 18.8976 18.8945 18.8969 18.8933 18.8958
500 19.6850 19.6832 19.6842 19.6867 19.6832 19.6857 19.6825 19.6850 19.6819 19.6843 19.6807 19.6832
520 20.4724 20.4704 20.4715 20.4743 20.4696 20.4724 20.4686 20.4714 20.4679 20.4707 20.4666 20.4693
540 21.2598 21.2578 21.2589 21.2617 21.2570 21.2598 21.2560 21.2588 21.2553 21.2581 21.2540 21.2567
560 22.0472 22.0452 22.0463 22.0491 39 L 22.0444 22.0472 20 L 22.0435 22.0462 10 L 22.0430 22.0460 3L 22.0414 22.0442 11 T
580 22.8346 22.8326 22.8337 22.8365 9T 22.8318 22.8346 28 T 22.8308 22.8336 38 T 22.8301 22.8329 45 T 22.8288 22.8315 58 T
600 23.6220 23.6200 23.6211 23.6239 23.6192 23.6220 23.6182 23.6210 23.6175 23.6203 23.6162 23.6189
620 24.4094 24.4074 24.4085 24.4113 24.4066 24.4094 24.4056 24.4084 24.4049 24.4077 24.4036 24.4063
650 25.5906 25.5876 25.5897 25.5928 25.5875 25.5906 25.5863 25.5894 25.5855 25.5886 25.5840 25.5871
670 26.3780 26.3750 26.3771 26.3802 26.3749 26.3780 26.3737 26.3768 26.3729 26.3760 26.3714 26.3745
680 26.7717 26.7687 26.7708 26.7739 26.7686 26.7717 26.7674 26.7705 26.7666 26.7697 26.7651 26.7682
700 27.5591 27.5561 27.5582 27.5613 27.5560 27.5591 27.5548 27.5579 27.5540 27.5571 27.5525 27.5556
720 28.3465 28.3435 28.3456 28.3487 52 L 28.3434 28.3465 30 L 28.3422 28.3453 18 L 28.3414 28.3445 10 L 28.3399 28.3430 5T
750 29.5276 29.5246 29.5267 29.5298 9T 29.5245 29.5276 31 T 29.5233 29.5264 43 T 29.5225 29.5256 51 T 29.5210 29.5241 66 T
760 29.9213 29.9183 29.9204 29.9235 29.9182 29.9213 29.9169 29.9201 29.9160 29.9190 29.9146 29.9178
780 30.7087 30.7057 30.7078 30.7109 30.7056 30.7087 30.7044 30.7075 30.7036 30.7077 30.7021 30.7052
790 31.1024 31.0994 31.1015 31.1046 31.0993 31.1024 31.0981 31.1012 31.0973 31.1004 31.0958 31.0989
800 31.4961 31.4931 31.4952 31.4974 31.4930 31.4952 31.4917 31.4949 31.4910 31.4940 31.4894 31.4926
Note: To convert inches to mm, multiply inches by 25.4.
1)
L indicates “LOOSE” fit, T indicates “TIGHT” fit.
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Bearing Series
ABMA
C2 C0 C3 C4
Inch sizes Metric sizes
R, XLS 30, 100K, MRC
Bore over Including 200, 300, TI ST LO XL
mm in. mm in. 400, 1900 in. (µm) in. (µm) in. (µm) in. (µm)
2.50 — 10 — — 34-39 0-3 0-8 1-5 3-13 3-9 8-23 6-12* 15-30*
2.50 .0984 10 .3937 R2–R6 00 0-3 0-8 1-5 3-13 3-9 8-23 6-12* 15-30*
10 .3937 18 .7087 R8–R10 01-03 0-3.5 0-9 1-7 3-18 4-10 10-25 7-13 18-33
18 .7087 24 .9449 R12–R14 04 0-4 0-10 2-8 5-20 5-11 13-28 8-14 20-36
24 .9449 30 1.1811 R16–R18 05-06 0-4.5 0-11 2-8 5-20 5-11 13-28 9-16 23-41
30 1.1811 40 1.5748 R20 07-08 0-4.5 0-11 2-8 5-20 6-13 15-33 11-18 28-46
— 1.1811 — 1.5748 13/8–11/2 — 0-4.5 0-11 2-8 5-20 6-13 15-33 11-18 28-46
40 1.5748 50 1.9665 15/8–17/8 09-10 0-4.5 0-11 2-9 5-23 7-14 18-36 12-20 30-51
50 1.9685 65 2.5591 2–21/2 11-13 0-6 0-15 3-11 8-28 9-17 23-43 15-24 38-61
65 2.5591 80 3.1496 25/8–31/8 14-16 0-6 0-15 4-12 10-30 10-20 25-51 18-28 45-71
80 3.1496 100 3.9370 31/4–37/8 17-20 0-7 0-18 5-14 13-36 12-23 30-58 21-33 53-64
100 3.9370 120 4.7244 4–45/8 21-24 0-8 0-20 6-16 15-41 14-26 36-66 24-38 61-97
120 4.7244 140 5.5118 43/4–51/2 26-28 0-9 0-23 7-19 18-48 16-32 41-81 28-45 71-114
140 5.5118 160 6.2992 53/8–61/4 30-32 0-9 0-23 7-21 18-53 18-36 46-91 32-51 81-130
160 6.2992 180 7.0866 61/2–7 34-36 0-10 0-25 8-24 20-61 21-40 53-102 36-58 91-147
180 7.0866 200 7.8740 71/4–73/4 38-40 0-12 0-30 10-28 25-71 25-46 64-117 42-64 107-163
200 7.8740 220 8.6614 8–81/2 42-44 0-12 0-30 12-30 30-76 29-50 74-127 47-69 119-175
220 8.6614 240 9.4488 83/4–9 46-48 1-13 3-33 15-33 38-84 35-56 89-142 55-77 140-196
240 9.4485 260 10.2362 91/2–10 50-52 2-14 5-36 18-36 45-91 42-63 107-160 64-86 163-218
260 10.2352 280 11.0236 101/2–11 56 2-14 5-36 21-39 53-99 49-70 124-178 74-96 188-244
280 11.0236 300 11.8110 111/2 60 3-15 8-38 25-43 64-109 57-78 145-198 85-107 216-272
300 11.8110 320 12.5984 12 64 4-16 10-41 29-47 74-119 67-88 107-223 98-120 249-304
320 12.5984 340 13.3858 — — 4-16 10-41 33-51 84-130 78-99 198-251 113-135 287-343
340 13.3858 360 14.1732 — — 5-17 13-43 38-56 96-142 91-112 231-284 129-151 327-384
360 14.1732 380 14.9606 — — 6-18 15-46 43-61 109-155 106-127 269-323 149-171 378-434
380 14.9606 400 15.7480 — — 7-19 18-48 48-66 122-168 126-147 320-373 169-191 429-485
400 15.7480 420 16.5354 — — 7-19 18-48 54-72 137-183 148-169 376-429 193-215 490-546
420 16.5354 440 17.3223 — — 8-20 20-51 60-78 152-198 173-194 439-493 220-242 559-615
440 17.3223 460 18.1102 — — 9-21 23-53 67-85 170-216 202-223 513-566 251-273 638-693
460 18.1106 480 18.8976 — — 10-22 25-56 74-92 188-234 234-255 594-648 285-307 724-780
480 18.8976 500 19.6850 — — 12-24 30-61 82-100 208-254 269-290 683-737 326-348 828-884
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The size of a bearing to be used for an appli- tensile (t) and compressive (c) stresses as Static radial load rating
cation is initially selected on the basis of its each rolling element passes through the
The basic static radial load rating C0 is used
load carrying capacity in relation to the loads loaded zone. As these stress cycles are
when bearings rotate at very slow speeds, are
to be carried and the requirements regarding repeated, as determined by the number of
subjected to very slow oscillations, or station-
life and reliability. Numerical values of basic revolutions of calculated life, sub-surface
ary under load. It also must be considered
load ratings are used in calculations to express metal fatigue cracks occur which eventually
when heavy shock loads of short duration act
load carrying capacity. The basic dynamic load propagate to the raceway surface causing
on a rotating bearing.
rating C and the basic static load rating C0 are metal flaking, or spalling, at which time the
The basic static radial load rating is defined
quoted in the bearing tables. All values bearing has achieved its useful life.
in accordance with ISO and ABMA standards
expressed are radial ratings. The basic dynamic radial load ratings of
as the static radial load which corresponds to
MRC bearings have been determined in
Dynamic radial load rating a calculated contact stress at the center of the
accordance with the latest ISO and ABMA
most heavily loaded rolling element/raceway
The basic dynamic load rating C is used for standards and are based on the material and
contact of 609000 PSI for all radial and
calculations involving the selection of bearings manufacturing techniques used for MRC
angular contact ball bearings. For this contact
which rotate under load. It expresses the standard production. They apply to radial
stress, a total permanent deformation of
bearing radial load which will give a basic loads acting on radial and angular contact
rolling element and raceway occurs which is
rating life of one million revolutions. The bearings which are constant in magnitude
approximately 0.0001 of the rolling element
actual calculated life depends on the magni- and direction. For single row angular contact
diameter as shown in Figure 2.
tude of the imposed load. The imposed load bearings, the radial load rating refers to the
produces rolling element and raceway defor- radial component of that load which causes a
mation as illustrated in Figure 1, resulting in purely radial displacement of the bearing
rings in relation to each other.
Load
Load
D
.0001D
t
c
t = tension
c = compression
Figure 1 Figure 2
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Bearing life
Definition of bearing life Life adjustment factor for reliability, a1 Determination of bearing life
The life of a rolling bearing is defined as the To determine bearing life in accordance with Bearing ‘‘rating life’’ can be calculated by
number of revolutions or the number of hours reliability greater than 90%, the L10 life must referring to the procedure and example locat-
at a given speed which the bearing is capable be multiplied by the factor a1 as shown in the ed at the back of each bearing section. Both
of enduring before the first sign of fatigue table below. dynamic (C) and static (C0) load ratings are
failure occurs on one of its rings or rolling Life adjustment factor for reliability, a1 listed on the preceding pages. The load ratings
elements. and life calculation method agree with ABMA
Reliability % Lma a1
The fatigue failure usually takes the form and ISO standards, with the exception of mast
90 L 10 1
of surface spalling or flaking which progresses guide and PumPac bearings. The rating of
95 L5 0.62
to the point where the bearing becomes these bearings has been modified to reflect
96 L4 0.53
inoperative. The load ratings shown in this raceway curvatures less than a total of 54%.
97 L3 0.44
catalog are based on the useful life of a
bearing as limited by this type of failure. 98 L2 0.33
When a group of identical bearings are run 99 L1 0.21
under a set condition of speed and load, there
When bearings are stationary, rotate or
will be considerable variation in the fatigue
oscillate very slowly or subjected to heavy
lives in the group. As a result, life must be
shock loads, the basic static load rating (C0 )
treated statistically.
must not be exceeded. As specified in ABMA
The life which 90% of a group of bearings
and ISO standards, the static load rating is
will exceed is known as the ‘‘minimum life’’
that load which produces a total permanent
or ‘‘rating life’’. A commonly used term as used
deformation of the rolling element or raceway
in this catalog is ‘‘L 10’’. The life which 50% of a
which is approximately 0.0001 of the rolling
group of bearings will exceed is the ‘‘median
element diameter. Deformation greater than
life’’ (L 50) and is approximately five times the
this amount may result in noisy operation and
‘‘minimum life’’.
premature failure.
The actual life of a specific bearing is
referred to as ‘‘service life’’ and unlike
‘‘minimum’’ or ‘‘rating’’ life, is not generated by
fatigue. It is the result of contamination,
corrosion, misalignment, etc., significantly
reducing life.
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rpm Factor rpm Factor rpm Factor rpm Factor rpm Factor rpm Factor rpm Factor
35 .9838 420 .4297 870 .3371 1 640 .2729 2 600 .2340 6 100 .1761 16 000 .1277
40 .9409 430 .4263 880 .3358 1 660 .2718 2 650 .2325 6 200 .1752 17 000 .1252
45 .9047 440 .4231 890 .3345 1 680 .2707 2 700 .2311 6 300 .1742 18 000 .1228
50 .8735 450 .4199 900 .3333 1 700 .2696 2 750 .2297 6 400 .1733 19 000 .1206
55 .8462 460 .4169 910 .3321 1 720 .2686 2 800 .2283 6 500 .1724 20 000 .1186
60 .8220 470 .4139 920 .3309 1 740 .2675 2 850 .2270 6 600 .1716 21 000 .1166
65 .8004 480 .4110 930 .3297 1 760 .2665 2 900 .2257 6 700 .1707 22 000 .1148
70 .7808 490 .4082 940 .3285 1 780 .2655 2 950 .2244 6 800 .1699 23 000 .1132
75 .7631 500 .4054 950 .3273 1 800 .2645 3 000 .2231 6 900 .1690 24 000 .1116
80 .7468 510 .4028 960 .3262 1 820 .2636 3 050 .2219 7 000 .1682 25 000 .1101
85 .7319 520 .4002 970 .3251 1 840 .2626 3 100 .2207 7 100 .1674 26 000 .1086
90 .7181 530 .3976 980 .3240 1 860 .2617 3 150 .2195 7 200 .1667 27 000 .1073
95 .7053 540 .3952 990 .3229 1 880 .2607 3 200 .2184 7 300 .1659 28 000 .1060
100 .6933 550 .3928 1 000 .3218 1 900 .2598 3 250 .2172 7 400 .1651 29 000 .1047
110 .6716 560 .3904 1 020 .3197 1 920 .2589 3 300 .2161 7 500 .1644 30 000 .1036
120 .6524 570 .3881 1 040 .3176 1 940 .2580 3 350 .2151 7 600 .1637 31 000 .1024
130 .6352 580 .3859 1 060 .3156 1 960 .2571 3 400 .2140 7 700 .1630 32 000 .1014
140 .6197 590 .3837 1 080 .3136 1 980 .2563 3 450 .2130 7 800 .1623 33 000 .1003
150 .6057 600 .3815 1 100 .3117 2 000 .2554 3 500 .2119 7 900 .1616 34 000 .0993
160 .5928 610 .3794 1 120 .3098 2 020 .2546 3 550 .2109 8 000 .1609 35 000 .0984
170 .5809 620 .3774 1 140 .3080 2 040 .2537 3 600 .2100 8 100 .1602 40 000 .0941
180 .5699 630 .3754 1 160 .3063 2 060 .2529 3 700 .2081 8 200 .1596 45 000 .0905
190 .5598 640 .3734 1 180 .3045 2 080 .2521 3 800 .2062 8 300 .1589 50 000 .0873
200 .5503 650 .3715 1 200 .3028 2 100 .2513 3 900 .2044 8 400 .1583 55 000 .0846
210 .5414 660 .3696 1 220 .3012 2 120 .2505 4 000 .2027 8 500 .1577 60 000 .0822
220 .5331 670 .3678 1 240 .2995 2 140 .2497 4 100 .2011 8 600 .1571 70 000 .0781
230 .5252 680 .3659 1 260 .2979 2 160 .2489 4 200 .1995 8 700 .1565 80 000 .0747
240 .5178 690 .3642 1 280 .2964 2 180 .2482 4 300 .1979 8 800 .1559 90 000 .0718
250 .5108 700 .3624 1 300 .2949 2 200 .2474 4 400 .1964 8 900 .1552 100 000 .0693
260 .5042 710 .3607 1 320 .2934 2 220 .2467 4 500 .1949 9 000 .1547
270 .4979 720 .3590 1 340 .2919 2 240 .2459 4 600 .1935 9 100 .1541
280 .4919 730 .3574 1 360 .2905 2 260 .2452 4 700 .1921 9 200 .1536
290 .4862 740 .3558 1 380 .2890 2 280 .2445 4 800 .1908 9 300 .1530
300 .4807 750 .3542 1 400 .2877 2 300 .2438 4 900 .1895 9 400 .1525
310 .4755 760 .3526 1 420 .2863 2 320 .2431 5 000 .1882 9 500 .1519
320 .4705 770 .3511 1 440 .2850 2 340 .2424 5 100 .1870 9 600 .1514
330 .4657 780 .3496 1 460 .2837 2 360 .2417 5 200 .1857 9 700 .1509
340 .4611 790 .3481 1 480 .2824 2 380 .2410 5 300 .1846 9 800 .1504
350 .4566 800 .3466 1 500 .2811 2 400 .2404 5 400 .1834 9 900 .1499
360 .4524 810 .3452 1 520 .2799 2 420 .2397 5 500 .1823 10 000 .1494
370 .4482 820 .3438 1 540 .2787 2 440 .2390 5 600 .1812 11 000 .1447
380 .4443 830 .3424 1 560 .2775 2 460 .2384 5 700 .1801 12 000 .1406
390 .4405 840 .3411 1 580 .2763 2 480 .2377 5 800 .1791 13 000 .1369
400 .4367 850 .3397 1 600 .2751 2 500 .2371 5 900 .1781 14 000 .1335
410 .4332 860 .3384 1 620 .2740 2 550 .2355 6 000 .1771 15 000 .1305
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Speed ratings
There is a limit to the speed at which rolling Speeds above the speed ratings For high speed bearing arrangements,
bearings can be operated. Generally it is the all components, particularly those which
It is possible to operate bearings at speeds
operating temperature which can be permit- rotate, must have a higher accuracy than
above the speed ratings given in the bearing
ted, with respect to the lubricant being used normal to take account of the vibrating
tables if the bearing friction can be reduced
or to the material of the bearing components, behavior. Special cage designs may also
by lubrication considerations or when heat
that sets the limit. The speed at which this be required and it is therefore advisable to
can be removed from the bearing by circulat-
bearing temperature is reached depends on contact MRC.
ing oil lubrication with cooling of the oil, by
the frictional heat generated in the bearing For satisfactory bearing operation,
cooling ribs on the housing or by directed cold
(including any externally applied heat) and the especially at high speeds, a minimum load
air streams. Any increase in speed above the
amount of heat which can be transported must be applied.
speed rating without taking any of these
away from the bearing. Bearing type and size, The speed ratings listed in the tables may
precautions would only cause the tempera-
internal design, load, lubrication and cooling be modified due to grade and cage variants.
ture to rise excessively. An increase of bearing
conditions as well as cage design, accuracy The multiplying factors shown in the footnotes
temperature means that lubricant viscosity is
and internal clearance all play a part in deter- are based on historical application and
reduced and lubricant film formation is made
mining the permissible speed. experience.
more difficult, thus leading to higher friction
and further temperature increases. If, at the
Speed ratings
same time, the operational clearance in the
Speed ratings for grease and oil lubrication
bearing is reduced because of increased inner
are quoted in the bearing tables. The speed
ring temperature, the final consequence
rating for a given bearing represents the
would be bearing seizure. Any increase in
speed at which, under normal loading condi-
speed above the speed rating generally means
tions there is a balance between the heat
that the temperature difference between the
which can be removed from the bearing via
inner and outer rings is greater than normal.
the shaft and housing and sometimes via the
Usually, therefore, an internal clearance
lubricant and the heat generated in the
greater than normal (C3) is required, and it
bearing by friction at an acceptable tempera-
may be necessary to look more closely at the
ture interval above ambient.
temperature distribution in the bearing.
The speed ratings apply to bearings where
The speed limit as defined by the speed
the inner ring rotates. Some reduction may
rating is the first limit to be reached with
be necessary where bearings are to operate
almost all bearing types. Above this limit,
with rotating outer ring. More detailed infor-
other criteria have a stronger influence,
mation will be supplied on request.
depending on bearing type. These criteria
When heavier loads are applied to the
include the form stability or strength of the
bearing, the friction in the bearing will be
cage, lubrication of cage guiding surfaces,
increased so that the bearing cannot be
centrifugal and gyratory forces acting on the
operated at such high speeds as the speed
rolling elements and other speed-limiting
rating would indicate unless higher tempera-
factors.
tures can be permitted. However, the influence
Another limit is set with grease lubrication
of heavier loads on the permissible speed is
by the grease used. The base oil viscosity and
generally only of importance for large bearings
thickener determine the shear strength of the
(≥ 100 mm).
lubricant, which in turn determines the
permissible operating speed for the particular
bearing.
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Materials for rolling bearings ISO in that no distinction is made between developed which provide better corrosion
steel types in the life calculation. In fact, steel resistance than the chromium stainless steels
The performance and reliability of rolling
cleanliness and proper manufacturing as well as the same high load carrying capac-
bearings are determined to a large degree by
methods as well as bearing design are the ity as conventional bearing steels. For more
the materials from which the bearing compo-
decisive factors. However, there are applica- information on the different types of corrosion
nents are made.
tions where a particular type of steel has resistant steels and their application, it is
Steels for bearing rings and certain advantages. recommended to contact MRC Application
rolling elements
Because MRC has both the competence Engineering.
Steels used for bearing rings and rolling and the facilities for through hardening, case Hybrid bearings with ceramic balls
elements must be capable of high fatigue hardening and induction hardening, attention
strength and wear resistance. The structural MRC hybrid bearings use steel inner and
is paid to the main application fields for each
and dimensional stability of the bearing com- outer rings with ceramic balls. This combina-
particular bearing and the steel and method
ponents must be satisfactory at the operating tion provides a bearing that has greater stiff-
of heat treatment are chosen to give the best
temperatures which can be expected. In most ness, is able to handle higher speeds and
performance in these applications.
cases the choice of a particular steel is dictat- higher temperatures.
Steels for temperature-resistant bearings The lower density of the silicon nitride
ed by the application requirements.
MRC rolling bearings can generally be used at ceramic balls creates less centrifugal force
Through-hardening steels
operating temperatures up to 250° F (121° C). than steel balls. Lower density combined with
The most common through-hardening steel If the operating temperatures are higher than the reduced friction due to the ball’s smooth
used for rolling bearings is a carbon chromi- this, the bearings must be subjected to a surface, allows the bearing to run at much
um steel containing approximately 1% carbon special heat treatment (stabilization) so that higher speeds. The low thermal expansion of
and 1.5% chromium. For bearing components inadmissible changes in dimensions do not the ceramic balls makes them less sensitive to
having large cross sections of steels alloyed occur as a result of microstructural changes. differences in temperature between the inner
with manganese and molybdenum are used However, the bearings should not be stabi- and outer rings. The higher modulus of
because of their superior through-hardening lized for a higher temperature than the elasticity makes the bearings much stiffer.
properties. expected operating temperature.
Much development has been accomplished For bearings which are required to operate Materials for cages
in the area of through-hardened steels. at temperatures in excess of 450° F (232° C) The main purpose of the cage is to keep the
Particular attention has been paid to cleanli- special steels with high hot-hardness are rolling elements at an appropriate distance
ness and modern bearing steels have such required. In such cases it is advisable to from each other and to prevent immediate
small contents of inclusions that it is now contact MRC Engineering. contact between two neighboring rolling
recognized that under ideal conditions elements in order to keep friction and thus
Steels for corrosion-resistant bearings
bearings should no longer fail from fatigue. heat generation in the bearing at a minimum.
For bearings that come into contact with
Case-hardening steels In grease lubricated bearings some of the
corrosive media during operation, there are a
Chromium-nickel and manganese-chromium grease inside the bearing will adhere to the
couple options. Historically, chromium or
alloyed steels with a carbon content of cage forming a lubricant reservoir and ensur-
chromium/molybdenum stainless steel has
approximately 0.15% are those case-harden- ing good lubrication of the operating surfaces
been used. Because of the reduced hardness
ing steels most commonly used for rolling of the bearing.
of these steels, the bearings do not have the
bearings. The cage is guided either on the rolling
same high load carrying capacity as bearings
elements or on one of the bearing rings and is
Steels for MRC rolling bearings made of conventional steels. The corrosion
thus radially centered. Pressed steel or brass
In the majority of applications there is virtually resistance is only available when the whole
cages are generally guided on the rolling
no difference in behavior between bearings surface is perfectly polished and if it is not
elements. Inner or outer ring land-guided
made of through-hardened or case-hardened roughened or damaged during mounting.
machined cages generally permit operation at
steels. This fact has been acknowledged by Some specialty high nitrogen steels have been
higher speeds and are necessary when
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movements additional to the pure rotational Molded polyamide cages used must be observed. At operating temper-
are superimposed, particularly when condi- For some bearing types, e.g. double row deep atures up to the values given in the table
tions of high acceleration prevail. Suitable groove ball bearings, and angular contact ball below for the various oils and greases which
steps must be taken (e.g. oil lubrication) to bearings, the small and medium-sized are used as bearing lubricants, cage proper-
ensure that there is a sufficient supply of bearings are available with molded cages of ties are unaffected. If the permissible temper-
lubricant to the guiding surfaces of the cage heat stabilized, glass fiber reinforced polyam- ature is exceeded, the cage material will age,
and to the inside of the bearing. ide 6.6. Heat stabilized, unfilled polyamide this process being accelerated the longer the
Rolling bearing cages are mechanically cages are available for a limited number of cage is exposed to the excessive temperature.
stressed by frictional, strain and inertia forces. sizes. This material is characterized by a Brief periods at up to 70° F (21° C) above the
They may also be subjected to the chemical favorable combination of strength and elastic- recommended maximum temperatures can
action of certain lubricants, lubricant additives ity. The good sliding properties of polyamide be tolerated provided they are interspersed
or products of their aging, organic solvents, on lubricated steel surfaces and the smooth- with longer periods at operating temperatures
coolants (halogenated hydrocarbons, ness of the cage surfaces in contact with the below the recommended values, and provided
ammonia), etc. Thus the design and choice of rolling elements mean that little friction is the maximum operating temperature for the
material are of paramount importance for the generated by the cage so that heat generation lubricant is not exceeded. When operating
performance of the cage as well as for the and wear in the bearing are at a minimum. temperatures are constantly above 250° F
operational reliability of the bearing as a The low density of the material means that (121° C) bearings fitted with metallic cages
whole. the inertia of the cage is small. All these are recommended. Molded polyamide cages
Standard cages factors plus inherently superior dynamic are also unsuitable for operating tempera-
balance result in smoother and quieter tures below -40° F (-40° C) as they lose their
As rolling bearings have been developed,
running bearings. elasticity.
various cage types and designs for the differ-
The injection molding process used to The organic solvents normally used to
ent bearing types and sizes have emerged;
produce the cages allows functionally suitable clean rolling bearings such as white mineral
the cages differ as to form, material, manu-
designs to be made. The excellent running spirits or trichloroethane do not affect cage
facturing methods, cost of production and
properties of polyamide cages under lubricant properties, nor do they dilute alkaline cleaners
operational limits.
starvation conditions permit continued opera- (e.g. soda) if they are at room temperature
In the text preceding each section, informa-
tion of the bearing for a time, reducing the and the period during which they are in
tion is provided regarding the standard cages
risk of seizure and secondary damage. contact is short. The chlorofluorocarbons or
with which the bearings are fitted and also the
When using bearings with polyamide cages, ammonia used in refrigeration do not attack
possible alternatives. The standard cage is
the permissible operating temperatures for polyamide. In vacuum, polyamide cages
always well proven in service and is the design
the material and its resistance to the lubricant become brittle because they become
considered most suitable for the majority of
dehydrated.
applications. With reference to the viability of
production, the costs and the different appli-
cation areas of the bearings, the standard Permissible operating temperatures for cages of glass fiber reinforced polyamide 6.6
cage for the larger bearings may be different with various bearing lubricants
from that for the smaller bearings in one and Permissible operating temperature1)
the same series. If a bearing with a non- Lubricant
°C °F
standard cage is required it is always advis-
Mineral oils
able to check availability before ordering.
Oils without EP additives e.g. machine oils, hydraulic oils 120 248
EP oils e.g. industrial and automotive gearbox oils 110 230
EP oils e.g. rear axle and differential gear oils (automotive),
100 212
hypoid gear oils
Synthetic oils
Polyglycols, poly-a-olefins 120 248
Diesters, silicones 110 230
Phosphate esters 80 176
Greases
Lithium base2), polyurea bentonite, calcium complex 120 248
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Dynamic operating
Bearing component Material Description
temperature limits
Vacuum processed high carbon chromium steel. 250° F (121° C) Max
SAE 52100 (AISI E-52100) Special heat treatment increases maximum Special heat treatment up to 400° F
temperatures and improves dimensional stability.1) (204° C) max1)
300° F (148° C) Max
Race way rings and balls 440C martensitic stainless steel 1) Moderate corrosive environments Special heat treatment up to 800° F
(426° C) max1)
XD15NW High corrosive environments 300° F (150° C) Max
High temperature service, improved life at
M50 tool steel 1) 600° F (315° C) Max
elevated temperatures
-70° F to 250° F
Nitrile rubber Standard MRC seal material, identified by black color
-56° C to 121° C
Better temperature and chemical resistance, -40° F to 400° F
Seals Fluorocarbon seals (Viton®) 1)
identified by grey or brown color -40° C to 204° C
Superior chemical and heat resistance, -450° F to 550° F
PTFE seals (Teflon) 1)
identified by tan color and ‘‘woven’’ appearance -267° C to 288° C
1010 low carbon steel Standard MRC shield material 450° F (232° C) Max
Shields
302 stainless pressed steel 1) Corrosive environments 450° F (232° C) Max
1010 pressed steel Standard MRC pressed cage material 450° F (232° C) Max
Composition made from a cotton fabric impregnated
Machined phenolic (Bakelite) with phenolic resin; two piece riveted or one piece 225° F (110° C) Max
machined design
Heat stabilized 6.6 polyamide, identified by natural
Molded polyamide 250° F (121° C) Max
(cream) color; ball guided design
Heat stabilized 6.6 polyamide reinforced with
Ball cages2) (separator) Molded reinforced polyamide glass fiber; ball guided design, identified by dark 250° F (121° C) Max
grey color
Corrosive environments; ball guided two piece
302 pressed stainless steel 450° F (232° C) Max
riveted design
Stamped one piece ball guided or two piece ball
Pressed brass 450° F (232° C) Max
guided riveted design
4340 machined steel One piece land or ball guided design 575° F (302° C) Max
Machined bronze One piece land or ball guided design 450° F (232° C) Max
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Lubrication
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Lubrication of anti-friction cause a loss of internal clearance and radial Principle of operation
preloading. This frequently causes surface
bearings degeneration and early fatigue. Cage break-
When a ball in a bearing is subjected to load,
an elliptical area of contact results between
Introduction age may also result from extreme stresses.
the ball and the race. In operation, as each
Although the basic principle of ball and roller ball enters the loaded area, slight deformation
bearings is the rolling of one element over of both the ball and the race occurs. The ball
another, some sliding friction is generated flattens out in the lower front quadrant and
during operation of anti-friction bearings. bulges in the lower rear quadrant. See Figure
Successful operation of an anti-friction 2. The amount of deformation is a function of
bearing requires a lubricating film in the areas the magnitude and direction of load, ball size,
of sliding contact. In cageless bearings, the race geometry, and elasticity of the bearing
rolling elements slide against each other. materials. Any particular point on the race
When a cage is present the rolling elements 2 1 2 goes through a cycle of these stress reversals
slide against this and under some operating 3 3
as each ball passes it. One source of heat
conditions, the cage slides against ring guiding developed in a bearing results from these
surfaces. When a ball under load rolls in a 1 Central slippage zone stresses and the deformation of the bearing
curved bearing raceway, pure rolling occurs 2 Outboard slippage zone material associated with them.
only along two lines in the contact area; other 3 Zones of rolling
The life of an anti-friction bearing running
contact points on the ball slide or spin along Figure 1
under good operating conditions is usually
areas of the raceway. This is because the limited by fatigue failure rather than by wear.
effective diameter of the ball is smaller at Bearing construction
Under optimum operating conditions, the
points distant from the bottom of the race- An anti-friction bearing is a precision device
fatigue life of a bearing is determined by the
groove. See Figure 1. and a marvel of engineering. It is unlikely that
number of stress reversals and by the cube
• The forces of slippage between zone 1 and any other mass produced item is machined to
of the load causing these stresses. As
the two zones 2 are equal in magnitude. such close tolerances. While boundary dimen-
examples, if the load on the bearing is
• The slippage in zone 1 is in opposite direc- sions are usually held to tenths of a thousandth
doubled, the theoretical fatigue life is reduced
tion from that in zone 2. of an inch, rolling contact surfaces and
to one-eighth. Also, if speed is doubled, the
• Technically the zones of pure rolling in 3 geometries are maintained to millionths of an
theoretical fatigue is reduced to one-half.
are very narrow but there are larger areas inch. It is for this obvious reason that very
that approach pure rolling. little surface degradation can be tolerated.
• These conditions exist, although less Bearing steels are hard, durable alloys,
obvious, even when loads are lighter and highly free of impurities in order to withstand
the ball paths narrower. the high unit stresses which occur at the point
Without lubrication in the highly loaded of contact between a rolling element and the
contact areas, very high friction will be race. Also, they must be sufficiently elastic to
Bulge in front of ball
encountered in ball bearings. High friction quickly regain their original shape after defor- under conditions of
generally creates high heat and thermal mation through loading. rolling under load
expansion, usually concentrated in the rolling Race and rolling element finish are also
critical since even minute surface imperfec- Mutually flattened
elements and inner ring races which may
areas under load
tions can cause high stress concentrations
resulting in premature failure. Figure 2
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Viscosity index There are many factors which contribute to Application of lubrication fluids
All oils are more viscous when cold and the oxidation of oils and practically all of these
The amount of oil needed to maintain a satis-
become thinner when heated. However, some are present in lubricating systems. These
factory lubricant film in an anti-friction
oils resist this change of viscosity more than include temperature, agitation, and the effects
bearing is extremely small. The minimum
others. Such oils are said to have a high of metals and various contaminants which
quantity required is a film averaging only a
viscosity index (V.I.). Viscosity index is most increase the rate of oxidation.
few micro-inches in thickness. Once this small
important in an oil where it must be used over Temperature is a primary accelerator of
amount has been supplied, make-up is
a wide range of temperatures. Such an oil oxidation. It is well known that rates of chemi-
required only to replace that lost by vaporiza-
should resist excessive changes in viscosity. cal reaction double for every 18° F (10° C)
tion, atomization, and creepage from the
A high V.I. is usually associated with good increase in temperature. Below 140° F (60° C),
bearing surfaces. Some idea of the small
oxidation stability and can be used as a rough the rate of oxidation of oil is rather slow.
quantity of oil required can be realized when
indication of such quality. Above this temperature, however, the rate of
it is known that 1/1000 of a drop of oil, having
oxidation increases to such an extent that it
Pour point a viscosity of 300 SUS at 100° F (38° C) per
becomes an important factor in the life of the
Any oil, when cooled, eventually reaches a hour can lubricate a 50 mm bore bearing
oil. It is for this reason that it is desirable that
temperature below which it will no longer running at 3,600 rpm. Although this small
oil systems operate at as low an overall
flow. This temperature is said to be the pour amount of oil can adequately lubricate a
temperature as is practical.
point of the oil. At temperatures below its pour bearing, much more oil is needed to dissipate
The oxidation rate of oil is accelerated by
point an oil will not feed into the bearing and heat generated in high speed, heavily loaded
metals such as copper and copper-containing
lubricant starvation may result. bearings.
alloys and to a much lesser extent by steel.
In selecting an oil for anti-friction bearings, Contaminants such as water and dust also act
the pour point must be considered in relation as catalysts to promote oxidation of the oil.
to the operating temperature.
Emulsification
Flash and fire point
Generally, water and straight oils do not mix.
As an oil is heated, the lighter fractions tend to However, when an oil becomes dirty, the
volatilize. With any oil, there is some tempera- contaminating particles act as agents to
ture at which enough vapor is liberated to promote emulsification. In anti-friction
flash into momentary flame when ignition is bearing lubricating systems, emulsification is
applied. This temperature is called the flash undesirable and the oil should separate readily
point of the oil. At a somewhat higher temper- from any water present. The oil should have
ature enough vapors are liberated to support good demulsibility characteristics.
continuous combustion. This is called the fire
point of the oil. The flash and fire points are Rust prevention
significant indications of the tendency of an oil Although straight petroleum oils have some
to volatilize at high operating temperatures. rust protective properties, they cannot be
High V.I. base oils generally have higher flash depended upon to do an unfailing job of
and fire points than lower V.I. base oils of the protecting rust-susceptible metallic surfaces.
same viscosity. In many instances, water can displace the oil
from the surfaces and cause rusting. Rust is
Oxidation resistance
particularly undesirable in an anti-friction
All petroleum oils are subject to oxidation by bearing because it can seriously abrade the
chemical reaction with oxygen of air. This bearing elements and areas that are pitted by
reaction results in the formation of acids, rust will cause rough operation or failure of
gum, sludge, and varnish residues which can the bearing.
reduce bearing clearances, plug oil lines and
cause corrosion. Additives
Some lubricating fluids are more resistant High grade lubricating fluids are formulated
to this action than others. Oxidation resistance to contain small amounts of special chemical
depends upon the fluid type, the methods and materials called additives. Additives are used
degree of refining used, and whether oxida- to increase the viscosity index, fortify oxida-
tion inhibitors are used. tion resistance, improve rust protection,
provide detergent properties, increase film
strength, provide extreme pressure proper-
ties, or lower the pour point.
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Oil may be supplied to anti-friction bearings The viscosity of a lubricating oil, however, senting 2000 rpm yields a minimum viscosity
in a number of ways. These include bath varies with temperature. It decreases with required of 13 mm2/s. Now let us assume that
oiling, oil mist from an external supply, wick increasing temperature. Therefore, the the operating temperature is 80° C (176° F).
feed, drip feed, circulating system, oil jet, and viscosity at the operating temperature must In Figure 4, the intersection between temper-
splash or spray from a slinger or nearby be used, rather than the viscosity grade (VG) ature 80° C and required viscosity 13 mm2/s
machine parts. which is based on the viscosity at the interna- is between the oblique lines for VG46 and
One of the simplest methods of oil lubrica- tionally standardized reference temperature VG68. Therefore, a lubricant with the viscosity
tion is to provide a bath of oil through which of 40° C (104° F). Figure 4 can be used to grade of at least VG46 should be used, i.e. a
the rolling element will pass during a portion determine the actual viscosity at the operat- lubricant of at least 46 mm2/s viscosity at the
of each revolution. Where cooling is required ing temperature, which, however, varies with standard reference temperature of 40° C.
in high speed and heavily loaded bearings, oil bearing design. For instance tapered and When determining the operating tempera-
jets and circulating systems should be consid- spherical roller bearings usually have a higher ture, it should be kept in mind that the
ered. If necessary, the oil can be passed operating temperature than ball bearings or temperature of the oil is usually 3° C to 11° C
through a heat exchanger before returning to cylindrical roller bearings under comparable (5° F to 20° F) higher than that of the bearing
the bearing. operating conditions. housing. For example, assuming that the
Example: temperature of the bearing housing is 77° C
Selection of oil A bearing having a bore diameter of 45 mm (170° F), the temperature of the oil will
The most important property of lubricating oil and an outside diameter of 85 mm is required usually be 80° C to 88° C (176° F to 190° F).
is the viscosity. Figures 3 and 4 should be to operate at a speed of 2000 rpm. The pitch If a lubricant with higher than required
used to assure that the viscosity is adequate diameter dm = 0.5 (d + D) = 0.5 (45 + 85) = viscosity is selected, an improvement in
in an application. Figure 3 yields the minimum 65 mm. As shown in Figure 3, the intersection bearing performance (life) can be expected.
required viscosity as a function of bearing size of dm = 65 mm with the oblique line repre-
and rotational speed.
Figure 3 Figure 4
Estimation of the required viscosity n1 at operating temperature Estimation of viscosity, n at operating temperature assumes
VI=95 and a mineral oil
500 2300
10
20
200 930
10 100 0 470
0 46
0
32
0
20 22
50 0 230 0
15
50 0 240
10
0
50 68
0
46
20 n= 100 32
15 100 20
22
100
20 00 0
30 00 15
00
50
00 10
10 60 10 60
10
00
0
20
00
0
500
5 1 00 40 5
000
00
10 20 50 100 200 500 1000 2000 20 30 40 50 60 70 80 90 100 110 120
d m = (bearing bore + bearing OD)/2 Operating temperature, °C
v1 = required lubricant viscosity for adequate lubrication at the Note: Viscosity classification numbers are according to International Standard
operating temperature ISO 3448–1975 for oils having a viscosity index of 95.
Approximate equivalent SAE viscosity grades are shown in parentheses.
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However, since increased viscosity raises From a heat removal standpoint and as a Greases containing thickeners other than
the bearing operating temperature, there is starting point to determine the required lubri- metallic soaps are being used increasingly
frequently a practical limit to the lubrication cant flow rate in gallons per minute (W), the because they offer greater resistance to heat.
improvement which can be obtained by this following approximate formula may be used: They are a multi-purpose type and have good
means. Additionally, only solvent refined In English system units, the flow rate in water resistance. Surface treated clay is an
mineral oil should be used. gallons per minute (W) is: inorganic thickener used in many greases.
For exceptionally low or high speeds, Intensive research in the development of
1.9 × 10 -4 µ Pdmn
for critical loading conditions or for unusual W= oxidation resistant formulations has resulted
lubrication conditions, please consult MRC (T0 - Ti ) in great increases in the life which lubricating
Applications Engineering. in which µ is the bearing coefficient of friction, greases can provide. Through the use of
For all calculations, the viscosity should P is imposed load in pounds, dm is bearing synthetic oily compounds and non-soap
be expressed in mm2/s (cSt) rather than in pitch diameter in inches, n is bearing net thickeners, grease lubrication can now be
Saybolt Universal Seconds (SUS), as the speed (shaft speed minus outer ring speed) achieved over a temperature range of -100° F
conversion between these two viscosity units in rpm, T0 is lubricant outlet temperature in to +500° F (-73° C to 260° C) and higher in
is nonlinear. However, the SUS scale shown degrees F and Ti is lubricant inlet temperature some cases.
on the right of Figures 3 and 4 can be used for in degrees F. The table below gives appropri- Synthetic greases are formulated with
approximate conversion of SUS to mm2/s (cSt). ate values of µ. synthetic fluids such as silicones, esters,
For viscosity equivalents see next page. perfluoroalkyl ethers, or polyphenyl ethers
Coefficient of friction (µ)
Oil flow requirement instead of petroleum oil. The thickener may
Radial ball bearings 0.0015 be soap or non-soap. Synthetic greases are
For high speed and/or high temperature appli- Angular-contact ball bearings 0.0020 used in extremely high or low temperature
cations, a major function of the lubricant is to Split inner ring ball bearings 0.0024 applications that are outside the range for
remove heat, and circulating oil lubrication is Cylindrical roller bearings 0.0011 petroleum greases. They are relatively expen-
necessary.
sive and therefore are not usually recom-
Unfortunately, excessive quantity of lubri- Grease lubrication mended if petroleum greases will serve the
cant within the bearing boundary dimensions, Most greases are composed of a soap thick- purpose.
i.e., within the free volume, causes increased ening agent in petroleum oil. Soap is formed In the great majority of applications where
friction and hence increased heat generation by combining a metallic alkali such as the the operating conditions are normal, many
owing to fluid churning. Therefore the lubri- hydroxide of sodium or lithium with a fatty different greases can be used satisfactorily.
cant flow rate through the bearing should be material. The type and quality of soap deter- However, each grease has certain limitations
as little as possible, consistent with good mines the grease consistency, texture, melting and properties. In applications where elevated
lubricant film formation and heat removal. point, and solubility in water. Sometimes a temperature, high speed, heavy loading, high
This minimum acceptable flow rate can be mixture of soaps is used to alter the proper- humidity, or other extreme conditions are
achieved using air-oil mist lubrication. Care ties. Additives are used to impart such encountered, consideration must be given to
must be exercised to assure that the lubricant properties as increase in load carrying capac- the choice of a grease. In some instances
flow rate is sufficient to avoid lubricant starva- ity, rust prevention, and oxidation stability. it will be found that no available grease has all
tion in high speed applications. In this condi- Lithium soap petroleum greases are widely the properties to satisfy the requirements and
tion, insufficient lubricant enters the rolling used because of their good water resistance, the choice must be a compromise.
element-raceway contacts to permit forma- relatively good high and low temperature It is recommended that the bearing user
tion of lubricant films thick enough to separate characteristics, and good mechanical stability. consult with MRC Engineering to determine
the components. Sodium soap greases are not water resistant the lubricant which will be most suitable for
and are readily washed away by large the application.
amounts of water. However, they have excel-
lent rust preventive properties due to their
ability to absorb minor amounts of water
contamination.
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Kinematic Saybolt
viscosities viscosities
mm2/s at mm2/s at ISO VG AGMA grades SAE grades SAE grades SUS/100° F SUS/210° F
40° C 100° C crankcase oils gear oils
2000 70 10000
1500 8000 300
60
250W
6000
1000 50 1000 5000
8A
800 4000 200
40 680
600 8
3000
140W
500 460
30
7 2000
400
320 6
300 1500
100
20 50W
220 5 90W 90
200 1000
80
150 40W 800
4
85W 70
600
100
100 30W 500
10 3 60
80
9 400
68 80W 55
8 2
60
20W 300 50
50 7
46
1
40 6 200
75W 45
32 10W
30 5 150
22 40
20 4 5W 100
15 80
70
10 10 60
8
7 50
6
5
5
4 40
3 3
35
2 2
32
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Extreme pressures Slow moving bearings can be packed full of Oil lubricated bearings are generally protected
Various extreme pressure agents are a cohesive, water resistant grease formulated from foreign particle contamination by the
compounded into some greases and oils. with a very heavy oil to afford maximum use of oil filters and the properly designed
These include additives such as sulfur, protection against large amounts of water. seals required in oil lubricated systems.
phosphorus, and chlorine compounds, graph- Where wet conditions are so severe that Grease in sealed and shielded bearings can
ite, and molybdenum disulfide. However, such satisfactory protection cannot be provided by provide an effective barrier against dust and
additives are generally not required in anti- a lubricant, it is sometimes necessary to use dirt. Where the bearings operate in a dusty or
friction bearing lubricants and should be bearings fabricated of special corrosion resist- dirty atmosphere, the grease should be
avoided unless their use is dictated by other ant alloys or bearings with corrosion resistant chosen with its sealing properties in mind.
associated equipment such as gears. coatings. Such a product should have good resistance
For most applications, higher viscosity oils Fretting to structural breakdown on working. Usually,
are required to prevent metal to metal contact the stiff consistency of an NLGI grade 3
Anti-friction bearings are sometimes
if pressures are higher than normal or if shock grease will provide a good sealing barrier.
damaged by a wear effect that is variously
loading occurs. In cases where heavily loaded called fretting corrosion, fretting, friction Operating temperature range
bearings operate at high speeds, the selection oxidation and false brinneling. This effect The temperature range over which a grease
of oil viscosity must be a compromise between evidences itself by the formation of rust-like can be used depends on the type of base oil
a heavy oil which is desirable for heavy loading wear debris and the formation of wear spots. and thickener used as well as the additives.
and a light oil which is desirable for high Fretting can occur in bearings subjected The lower temperature limit; i.e., the lowest
speeds. to vibration, vibratory loads, or oscillation of temperature at which the grease will allow
Wet conditions small amplitudes. It is sometimes seen in the the bearing to be started up without difficulty,
Whenever possible, an anti-friction bearing bearings of idle machinery that has been is determined by the base oil and its viscosity.
should be protected from water and moisture subjected to the vibrations of nearby The upper temperature limit is governed
to avoid corrosion. Even slight corrosion on machines. The wear spots can be recognized mainly by the type of thickener and indicates
the internal surfaces may initiate bearing as depressions or indentations in the races at the maximum temperature at which the
failure. the points where they have been in contact grease will provide lubrication for a bearing.
Ball and roller bearings are, however, often with the balls or rolls. If allowed to progress, It should be remembered that a grease will
used successfully where moisture is present. the wear in these contact areas will become age (deteriorate) and oxidize with increasing
The presence of moisture will affect the choice so extensive as to prevent functioning of the rapidity as the temperature increases and that
of a grease with the selection depending upon bearings. oxidation products have a detrimental effect
the quantity of moisture present. Fretting can be eliminated or minimized by on lubrication. The upper temperature limit
Water soluble sodium base greases will the selection of a lubricant which has good should not be confused with the grease
form a non-corrosive emulsion when mixed feed ability. Low viscosity oils minimize dropping point quoted by lubricant manufac-
with a limited quantity of water. However, fretting to a greater extent than oils of higher turers as this value only indicates the temper-
agitation is necessary to form this emulsion. viscosities. ature at which the grease loses its consistency
If water should enter an idle bearing, the With grease lubrication in applications and becomes fluid.
bearing may become corroded. There is a limit where fretting is a problem, it is good general The following table gives the operating
to the amount of water which a water soluble practice to use a soft grease such as an NLGI temperature ranges for the types of grease
grease can absorb and still protect the bearing no. 0 or 1 grade, or a harder grease, which normally used for rolling bearing lubrication.
surfaces. tends to soften considerably upon working. The values are based on extensive testing
A water resistant grease, such as a lithium Dust and dirt and are valid for commonly available greases
base grease that contains an effective rust having a mineral oil base and no EP (extreme
A high percentage of ball and roller bearing
inhibitor should be used where large amounts pressure) additives.
troubles can be attributed to foreign matter
of water are present. The term ‘‘water resistant entering the bearing after mounting. Because
grease’’ is actually a misnomer since no grease anti-friction bearings are highly sensitive to
will totally resist large amounts of water for dust and dirt, elaborate protective devices are
extended periods. necessary in some applications.
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Operating temperature ranges for mineral and information provided are based on statis- shorter of the two lives. For information
oil-based greases tical rules. The relubrication intervals are about the grease life of a bearing with integral
Grease type recommended operating temperature defined as the time period, at the end of seals or shields, MRC Bearings Applications
range (thickener) which 99% of the bearings are still reliably Engineering should be contacted.
°C °F lubricated. This represents the L 1 grease life.
Lithium base -30 to 110 -22 to 230
Bearings with integral seals and shields
Relubrication intervals
Lithium
-20 140 -4 284 The relubrication intervals t f for bearings with
complex The information and recommendations to
rotating inner ring on horizontal shafts under
Sodium base -30 80 -22 176 follow relate to bearings without integral seals
normal and clean conditions can be obtained
Sodium
-20 140 -4 284
or shields. Bearings and bearing units with
complex from Figure 5 as a function of:
integral seals and shields on both sides are
Calcium base -10 60 14 140 • the bearing rotational speed (n), rpm
typically already supplied with grease from the
Calcium • the bearing pitch diameter (dm)
complex
-20 130 -4 266 manufacturer. Bearings with integral seals
dm = [bearing bore (mm) + bearing OD
Barium and shields are very difficult to re-grease.
-20 130 -4 266 (mm)]/2
complex Therefore, when estimating the service life of
• the relevant bearing factor, bf , depending
Aluminum sealed or shielded bearings, consideration
-30 110 -22 230 on bearing type and load conditions, (see
complex
needs to be given to bearing fatigue life and
Inorganic table on page 290)
thickeners grease life. The service life of a bearing with
(bentonite, -30 130 -22 266 • the load ratio (dynamic capacity/applied
integral seals or shields is determined by the
silica gel, etc.) resultant load), C/P
Polyurea -30 140 -22 284
Figure 5 - Relubrication intervals at 158° F (70° C)
Greases based on synthetic oils; e.g., ester
Hours
oils, synthetic hydrocarbons or silicone oils,
may be used at temperatures above and below 100,000
the operating temperature range of mineral
oil-based greases. If grease-lubricated
bearings are to operate at such temperatures, 50,000
MRC Bearings Applications Engineering
should be contacted for advice.
Grease relubrication
In order for a bearing to be properly lubricat-
ed with grease, oil must bleed from the
grease. The oil that is picked up by the bearing 10,000
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The relubrication interval t f is an estimated Vertical shaft fluids, etc.) also call for a reduced interval.
value based on an operating temperature of For bearings on vertical shafts, the intervals In case of severe contamination, continuous
70° C (158° F), using good quality lithium obtained from Figure 5 should be halved. relubrication should be considered.
thickener/mineral oil greases. When bearing A good seal or retaining shield below the Since there are no formulas to determine
operating conditions differ, adjust the relubri- bearing is required to prevent the grease the frequency of relubrication because of
cation intervals obtained from Figure 5, from exiting the bearing cavity. As a reminder, contamination, experience is the best indica-
according to the information given under NLGI no. 3 greases help reduce the amount of tor of how often to relubricate. It is generally
“Relubrication interval adjustments”, below. grease leakage and churning that occurs in accepted that the more frequent the relubri-
If the n x dm exceeds 70% of the recom- vertical shaft applications. cation the better. However, care should be
mended limit according to the table below or taken to avoid overgreasing a bearing in an
Vibration
if ambient temperatures are high, then extra attempt to flush out contaminated grease.
consideration should be given to the lubrica- Moderate vibration should not have a negative Using less grease on a more frequent basis
tion methods. When using high performance effect on grease life. But high vibration and rather than the full amount of grease each
greases, a longer relubrication interval can shock levels, such as those in vibrating screen time is recommended. Excessive regreasing
be achieved. MRC Bearings Applications applications, can cause the grease to “slump” without the ability to purge will cause higher
Engineering should be consulted in these more quickly, resulting in churning. In these operating temperatures because of churning.
instances. cases the relubrication interval should be The grease amount required for relubrication
reduced. If the grease becomes too soft, is discussed later in this section.
Relubrication interval grease with a better mechanical stability or
grease with higher stiffness up to NLGI no. 3 Very low speeds
adjustments Bearings that operate at very low speeds
should be used.
Operating temperature under light loads call for a grease with low
Outer ring rotation
Since grease aging is accelerated with consistency while bearings that operate at low
In applications where the outer ring rotates speeds and heavy loads require a grease
increasing temperature, it is recommended to
or where there is an eccentric shaft weight, having a high viscosity, and if possible, good
halve the intervals obtained from Figure 5 for
the speed factor n x dm is calculated differently: EP characteristics. Selecting the proper
every 27° F (15° C) increase in operating
in this case use the bearing outside diameter grease and grease fill is important in low
temperature above 158° F (70° C). The alter-
D instead of dm. The use of a good sealing speed applications. In some cases, 100%
nate also applies for lower temperatures. The
mechanism is also required to avoid grease fills may be appropriate. In general, grease
relubrication interval t f may be extended at
loss. aging is not an issue for very low speed appli-
temperatures below 158° F (70° C) if the
Under conditions of high outer ring speeds cations when bearing temperatures are less
temperature is not so low as to prevent the
(i.e. > 40% of the bearing reference speed), than 158° F (70° C), so relubrication is rarely
grease from bleeding oil. In the case of full
greases with reduced bleed rates should be needed unless contamination is an issue.
complement bearings and thrust roller
selected. For spherical roller thrust bearings
bearings, t f values obtained from Figure 5 High speeds
with a rotating housing washer, oil lubrication
should not be extended. It is also not advisable
is recommended. Relubrication intervals for bearings used at
to use relubrication intervals in excess of
high speeds, i.e. above the speed factor
30,000 hours. Contamination
n x dm in the table to the left, only apply when
In general, specialty greases are required When considering contamination, grease using special greases or special bearings,
for bearing temperatures in excess of 210° F aging isn’t as much an issue as the detrimen- e.g. hybrid bearings. In these cases continu-
(100° C). In addition, the material limitations tal effects of the contaminants to the bearing ous relubrication techniques such as circulat-
of the bearing components should also be surfaces. Therefore, more frequent relubrica- ing oil, oil-spot, etc. are more suitable than
taken into consideration such as the cage, tion than indicated by the relubrication inter- grease lubrication.
seals, and the temperature stability of the val will reduce the negative effects of foreign
bearing steel. particles on the grease while reducing the Very heavy loads
damaging effects caused by over-rolling the For bearings operating at a speed factor
particles. Fluid contaminants (water, process n x dm > 20,000 and with a load ratio
C/P < 4, the relubrication interval should be
Bearing factors and recommended limits for n x dm reduced. Under these very heavy load condi-
Bearing type1) Bearing factor bf Recommended limits for n x dm tions, continuous grease relubrication or oil
light load medium load heavy load bath lubrication is recommended.
In applications where the speed factor
Deep groove ball bearings 1 500,000 400,000 300,000
n x dm < 20,000 and the load ratio
Angular contact ball bearings 1 500,000 400,000 300,000 C/P = 1-2, see information under “Very low
Self-aligning ball bearings 1 500,000 400,000 300,000 speeds”, above. For heavy loads and high
speeds, circulating oil lubrication with cooling
1) The bearing factors and recommended practical n x dm limits apply to bearings with standard internal geometry and standard cage execution.
is generally recommended.
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Very light loads replaces the old grease, the lubrication duct in air for blowing dirt out of bearings and drying
In many cases the relubrication interval the housing should either feed the grease solvents is not recommended unless the air
may be extended if the loads are light adjacent to the outer ring side face, or, better system is filtered to remove moisture and dirt.
(C/P = 30 to 50). Be aware that bearings still, into the bearing. Bearings should never be spun at high speed
do have minimum load requirements for After a number of such relubrications the by a stream of compressed air during cleaning
satisfactory operation. housing should be opened and the used as this may cause damage to the balls and
grease removed before fresh grease is added. raceways.
Misalignment
A constant misalignment within the permis- Relubrication intervals—oil Cleaning unmounted used bearings
sible limits of the bearing does not adversely The frequency at which the oil must be Place bearings in a wire or mesh basket and
affect the grease life in self-aligning type changed is mainly dependent on the operat- suspend the basket in a suitable container of
bearings. However, misalignment in other ing conditions and on the quantity of oil used. clean petroleum solvent or kerosene. Allow
bearing types will typically generate higher Where oil bath lubrication is employed it is them to soak, preferably overnight or longer,
operating temperatures and require more normally sufficient to change the oil once a until all hard deposits have softened. Bearings
frequent relubrication. Reference “Operating year, provided the bearing temperature does which contain badly oxidized grease may
temperature” (page 274). not exceed 50° C (120° F) and there is no require soaking in hot, light oil (200° F to
contamination. Higher temperatures or more 240° F) to soften the deposits. The basket
Very short intervals
arduous running conditions necessitate more should be agitated slowly through the oil from
If the determined value for the relubrication frequent changes, e.g. at a temperature of time to time. After deposits have softened, the
interval t f is too short for a particular applica- 100° C (220° F) the oil should be changed bearings should be immersed in solvent for
tion, it is recommended to: every 3 months. cleaning. In extreme cases, boiling in emulsi-
• check the bearing operating temperature For circulating oil systems the period fied cleaners (i.e. grinding, cutting, or floor
• check whether the grease is contaminated between complete oil changes is dependent cleaning compounds) may be more effective
by solid particles or fluids on how often the oil is circulated over a given to soften hard deposits. A stiff brush may be
• check the bearing application conditions period of time and whether it is cooled, etc. used to dislodge solid particles. If hot
such as load or misalignment The most suitable period can generally only emulsion solutions have been used, it is
• consider a more suitable grease be determined by trial runs and frequent important that all entrapped water be
Relubrication quantity examination of the oil. The same practice also removed from the bearings. This may be
The amount of grease needed for relubrication applies to oil jet lubrication. accomplished by draining and slowly rotating
can be obtained from: In oil mist lubrication, most of the oil is lost, the individual bearings while hot until the
as it is conveyed to the bearing only once. water has been completely evaporated.
Gp = 0.005 D B
A more preferable method of removing
where Bearing cleaning entrapped water after draining is to spin the
Gp = grease quantity, g
New bearings should be cleaned only if they bearings in a water displacing type rust
D = bearing outside diameter, mm
have been exposed to dirt after removal from preventive oil. After removing the water, the
B = total bearing width, mm
their package or lubricated with an oil or bearings should immediately be immersed in
When operating conditions are such that grease that is incompatible with the preserva- clean petroleum solvent for further cleaning.
relubrication can be carried out at infrequent tive. (See “Compatibility and storage”, page After the used bearings have been thoroughly
intervals, it is sufficient if the bearing housing 293). Bearings which have been in service cleaned, their condition may be judged by
is accessible and can be opened easily. The and require cleaning due to accumulated dirt hand. A light hand thrust should be applied
cap of split housings and the cover of or deteriorated lubricant may be cleaned as against one bearing ring while slowly rotating
one-piece housings can usually be taken off follows: all cleaning operations should be the other ring. The degree of smoothness felt
to expose the bearing. After removing the done in a dirt free area and only clean in rotation will indicate whether the bearing
used grease, fresh grease should first be solvents of good quality should be used. Light is satisfactory for further service. Bearings
packed between the rolling elements. transformer oils, spindle oils, or automotive which are satisfactory for further service
Where more frequent relubrication is flushing oils are suitable for cleaning bearings should be immediately rotated in light oil to
required, provision should be made for but oils heavier than SAE 10 motor oils are displace the solvent. Those which will not be
regreasing; preferably a grease nipple should not recommended. The use of chlorinated installed immediately should be coated with a
be fitted to the housing. A grease gun (lubri- solvents of any kind is not recommended in good rust preventive oil and wrapped in clean
cator) can then be used. To ensure that fresh bearing cleaning operations because of the oil-proof paper.
grease actually reaches the bearing and rust hazard involved. The use of compressed
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Cleaning mounted used bearings seal is to insert a thin, knife-like blade and the O.D. of the inner ring in a bearing,
For cleaning bearings without removing them between the O.D. of the seal and the seal special care must be exercised when intro-
from their mounted assembly, hot, light oil at groove in the outer ring, then slowly work ducing grease into these bearings to ensure
180° F (82° C) may be flushed through the around the periphery of the seal, working the that it is uniformly distributed in the bearing.
housing while the shaft or spindle is slowly seal from the groove. It is important to work Operation of the bearing will eventually
rotated. In cases of badly oxidized grease and around the periphery rather than exert too uniformly distribute the grease, but it is possi-
oil, hot water emulsions can be used in place much pressure at one point, which may ble to initiate a heating-type failure or to
of flushing oil. The solution should be drained damage the seal. Usually the seal can be cause damage to the active surfaces in the
thoroughly and the housing flushed with hot, removed without damage. bearing before this occurs. This precaution is
light oil. The shaft should be rotated slowly especially important when there is a close
throughout these operations. Things you should know running clearance between the separator and
In some cases where deposits are extremely about lubrication one of the rings. One method of introducing
difficult to remove, an intermediate flushing MRC bearings that have seals or shields are grease between the rings and the separator is
with a mixture of alcohol and light petroleum generally lubricated for the life of the bearing. to use a plastic bag. If grease is sealed in a
solvent, after the emulsion treatment, may be Bearings that do not have seals or shields are plastic bag and a small opening is cut across
helpful. The flushing oil should be drained protected from corrosion by coating the one of the corners, the bag can be inserted
completely and oil passages checked to make bearing with a preservative. The preservative between the separator and either ring. Grease
sure they are not clogged before adding new is compatible with petroleum base oils and can then be forced into the bearing by
lubricant. lubricants. It is not necessary to remove the squeezing it from the bag.
If the bearing is lubricated with grease, new preservative from the bearing surfaces when In applications where either water or air is
grease may be forced through the bearing to the bearing will be lubricated with either a used to dissipate heat from the bearing cavity,
purge the old grease and contaminates. This petroleum base oil or grease. care must be exercised not to create a signifi-
may be done, however, only if contamination It is possible that either synthetic oil or cant temperature differential between the
is not severe and vent openings are provided greases compounded with synthetic oils, bearing inner ring and outer ring. Some cool-
in the housing for exhausting the old grease. will not be compatible with a petroleum base ing methods, i.e. water jacketed housings, very
After purging with grease, the bearings should preservative. It is recommended that the efficiently dissipate heat from the housing and
be operated for about ten minutes before the preservative be removed from the bearing outer ring of the bearing, but have little effect
vent plugs are replaced to avoid serious over- surfaces before lubricating with either of on the shaft and bearing inner ring. Under
heating of the bearing due to churning of these products. Synthetic hydrocarbons are these conditions, internal clearance in the
excess grease. an exception. It is also possible that greases bearing is removed as the result of thermal
compounded with a polyurea thickener may expansion of the inner ring and thermal
Cleaning sealed or shielded used bearings
cause excessive grease softening due to contraction of the outer ring. The loss of inter-
Bearings which have non-removable double nal clearance can result in premature bearing
incompatibility with a petroleum base
shields or seals cannot be cleaned. These failures due to a significant increase in ball and
preservative.
bearings are normally inspected and reused race stresses, and also due to excessive heat
Synthetic oils and greases compounded
or rejected on the basis of smoothness and generation. One way to avoid this problem is
with synthetic oils are classified as special
looseness. to circulate and cool the oil.
condition lubricants. They are usually not the
Bearings having one seal or one shield may
best choice for operating conditions that fall
be cleaned satisfactorily by the methods
within the capability of petroleum base lubri-
outlined here. Bearings having two shields
cants. They are expensive and lack some of
that are held in place by snap rings can be
the desirable lubricating qualities of petrole-
cleaned and regreased by carefully removing
um base lubricants. Synthetic hydrocarbon
the shields and reinstalling them.
may be an exception.
Bearings having two removable rubber
Because machined phenolic or metal
seals can be cleaned and regreased if care
separators occupy a considerable amount of
is exercised in removing and reinstalling the
the space between the bore of the outer ring
seals. The best procedure for removing the
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Figure 8
Oil level
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Figure 12
Oil mist lubrication
Figure 13
Oil mist systems, see Figure 12, are usually
Figure 10
reserved for high speed applications. In mist Regreaseable mounting
Wick feed lubrication lubrication systems, the oil is atomized and Recommended for moderate speeds and
transported in an airstream through tubing to loads. Where prelubricated sealed bearings
Wick oilers function either by gravity or capil-
the bearings. Bearings are constantly fed with are not suitable for some reason, considera-
lary action to transfer a small quantity of
an optimum quantity of oil thus minimizing tion must be given to use of an open type
filtered oil from a reservoir to the bearing.
bearing heating due to oil churning. While not bearing with provision for relubrication. The
Wick feed is satisfactory for high speed opera-
as effective as flood lubrication for heat grease plug at the bottom should be removed
tion with no danger of excessive oil churning.
removal, mist lubrication does provide some while the grease is being inserted through
Attention must be given to wicks to assure
cooling from the continuous forced circulation the fitting at the top. The direction of flow
that they are not clogged and they must be
of air. A rule of thumb on the use of oil mist is tends to remove the old grease.
replaced occasionally.
obtained from the formula:
Figure 10 shows an arrangement whereby
the wick conveys oil by capillary action to a K < 109
rotating flinger where it is thrown off by where
centrifugal force and drains back through the K = DNL
bearing. D = bearing bore in mm
N = inner ring speed rpm
L = load in pounds.
Systems can be designed so that a positive
pressure is maintained within the housing
thereby preventing the entrance of
contaminates.
Figure 11
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Figure 17
Figure 14
Figure 16
High temperature grease mounting In Figure 17, the bearing outer rings are
The life of permanently lubricated installa- slotted on the mating faces while the housing
Grease lubrication for duplex arrangements
tions at high temperatures is a function of the has a circumferential groove, grease fitting
For duplex mountings it is important that all
volume of grease present and the design of and hole, thus allowing grease to be applied
bearings in the set receive an adequate supply
the mounting. Note that ample grease space to both bearings.
of grease. Typical arrangements to accomplish
has been provided and that the configuration this are shown above. In Figure 16, the spacer
of parts adjacent to the bearing is such as to between the outer rings is provided with a
urge the lubricant into contact with the active circumferential groove and radial holes so
bearing parts. that grease applied through the grease fitting
and hole in the housing is directed between
the bearings.
Figure 15
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w
c x d
* Where standard bearing corner is .020 (.51 mm) or less, the corner remains same as standard.
1900 .041 .035 1.05 .90 .041 .031 1.05 .80 .819 .807 20.8 20.5 .008 .20 .984 25.0 .026 .65 .076 1.93 .094 2.5 1.016 25.8
1901 .041 .035 1.05 .90 .041 .031 1.05 .80 .898 .888 22.8 22.5 .008 .20 1.06 27.0 .026 .65 .076 1.93 .094 2.5 1.094 27.8
1902 .051 .045 1.30 1.15 .047 .037 1.20 .95 1.051 1.039 26.7 26.4 .010 .25 1.20 30.6 .031 .80 .078 1.98 .125 3.0 1.234 31.3
101K .068 .062 1.73 1.57 .047 .037 1.20 .95 1.050 1.040 26.7 26.4 .016 .40 1.20 30.6 .031 .80 .078 1.98 .125 3.0 1.234 31.3
1903 .051 .045 1.30 1.15 .047 .037 1.20 .95 1.130 1.118 28.7 28.4 .010 .25 1.28 32.5 .031 .80 .078 1.98 .125 3.0 1.312 33.3
200 .081 .075 2.06 1.90 .065 .053 1.65 1.35 1.109 1.099 28.2 27.9 .016 .40 1.36 34.5 .042 1.07 .125 3.18 .125 3.0 1.391 35.3
102K 201 .081 .075 2.06 1.90 .065 .053 1.65 1.35 1.187 1.177 30.2 29.0 .016 .40 1.44 36.5 .042 1.07 .125 3.18 .125 3.0 1.469 37.3
103K 202 300 .081 .075 2.06 1.90 .065 .053 1.65 1.35 1.306 1.296 33.2 32.9 .016 .40 1.55 39.3 .042 1.07 .125 3.18 .125 3.0 1.578 40.0
1904 .067 .061 1.70 1.55 .047 .037 1.20 .95 1.406 1.394 35.7 35.4 .010 .25 1.56 39.7 .031 .80 .078 1.98 .125 3.0 1.594 40.5
301 .081 .075 2.06 1.90 .065 .053 1.65 1.35 1.369 1.359 34.8 34.5 .016 .40 1.61 40.9 .042 1.07 .125 3.18 .125 3.0 1.641 41.7
203 .081 .075 2.06 1.90 .065 .053 1.65 1.35 1.500 1.490 38.1 37.9 .016 .40 1.75 44.5 .042 1.07 .125 3.18 .125 3.0 1.781 45.2
1905 .067 .061 1.70 1.55 .047 .037 1.20 .95 1.602 1.590 40.7 40.4 .010 .25 1.75 44.5 .031 .80 .078 1.98 .125 3.0 1.781 45.2
104K 302 .081 .075 2.06 1.90 .065 .053 1.65 1.35 1.565 1.555 39.8 38.5 .016 .40 1.81 46.0 .042 1.07 .125 3.18 .125 3.0 1.844 46.8
1906 .067 .061 1.70 1.55 .047 .037 1.20 .95 1.799 1.787 45.7 45.4 .010 .25 1.95 49.6 .031 .80 .078 1.98 .125 3.0 1.984 50.4
105K .081 .075 2.06 1.90 .065 .053 1.65 1.35 1.756 1.746 44.6 44.4 .016 .40 2.06 52.4 .042 1.07 .156 3.96 .125 3.0 2.094 53.2
204 303 .097 .091 2.46 2.31 .065 .053 1.65 1.35 1.756 1.746 44.6 44.4 .016 .40 2.06 52.4 .042 1.07 .156 3.96 .125 3.0 2.094 53.2
205 304 .097 .091 2.46 2.31 .065 .053 1.65 1.35 1.958 1.948 49.7 49.5 .016 .40 2.27 57.6 .042 1.07 .156 3.96 .188 5.0 2.297 58.3
1907 .067 .061 1.70 1.55 .047 .037 1.20 .95 2.114 2.102 53.7 53.4 .010 .25 2.28 57.9 .031 .80 .078 1.98 .188 5.0 2.312 58.7
106K .082 .074 2.08 1.88 .065 .053 1.65 1.35 2.071 2.061 52.8 52.4 .016 .40 2.38 60.3 .042 1.07 .156 3.96 .188 5.0 2.406 61.1
1908 .067 .061 1.70 1.55 .047 .037 1.20 .95 2.390 2.374 60.7 60.3 .010 .25 2.56 65.1 .031 .80 .078 1.98 .188 5.0 2.594 65.9
107K .082 .074 2.08 1.88 .087 .075 2.20 1.90 2.347 2.327 59.6 59.1 .024 .60 2.66 67.5 .065 1.65 .156 3.96 .188 5.0 2.688 68.3
206 305 .129 .121 3.28 3.07 .087 .075 2.20 1.90 2.347 2.327 59.6 59.1 .024 .60 2.66 67.5 .065 1.65 .156 3.96 .188 5.0 2.688 68.3
1909 .067 .061 1.70 1.55 .047 .037 1.20 .95 2.626 2.610 66.7 66.3 .010 .25 2.80 71.0 .031 .80 .078 1.98 .188 5.0 2.828 71.8
108K .098 .090 2.49 2.20 .087 .075 2.20 1.90 2.552 2.532 64.8 61.3 .024 .60 2.92 74.2 .065 1.65 .156 3.96 .188 5.0 2.984 75.8
1910 .067 .061 1.70 1.55 .047 .037 1.20 .95 2.783 2.769 70.7 70.3 .010 .25 2.95 75.0 .031 .80 .078 1.98 .188 5.0 2.984 75.8
207 306 .129 .121 3.28 3.07 .087 .075 2.20 1.90 2.709 2.689 68.8 68.3 .024 .60 3.08 78.2 .065 1.65 .188 4.78 .188 5.0 3.141 79.8
109K .098 .090 2.49 2.20 .087 .075 2.20 1.90 2.828 2.808 71.8 71.3 .024 .60 3.20 81.4 .065 1.65 .188 4.78 .188 5.0 3.266 83.0
1911 .083 .075 2.11 1.90 .063 .051 1.60 1.30 3.067 3.051 77.9 77.5 .016 .40 3.31 84.1 .042 1.07 .125 3.18 .188 5.0 3.375 85.7
110K .098 .090 2.49 2.20 .087 .075 2.20 1.90 3.024 3.004 76.8 76.3 .024 .60 3.40 86.5 .065 1.65 .188 4.78 .188 5.0 3.469 88.1
208 307 .129 .121 3.28 3.07 .087 .075 2.20 1.90 3.024 3.004 76.8 76.3 .024 .60 3.40 86.5 .065 1.65 .188 4.78 .188 5.0 3.469 88.1
1912 .083 .075 2.10 1.90 .063 .051 1.60 1.30 3.264 3.248 82.9 82.5 .016 .40 3.52 89.3 .042 1.07 .125 3.18 .188 5.0 3.578 90.9
209 .129 .121 3.28 3.07 .087 .075 2.20 1.90 3.221 3.201 81.8 81.3 .024 .60 3.59 91.3 .065 1.65 .188 4.78 .188 5.0 3.656 92.9
1913 .083 .075 2.10 1.90 .063 .051 1.60 1.30 3.461 3.445 87.9 87.5 .016 .40 3.70 94.1 .042 1.07 .125 3.18 .188 5.0 3.766 95.7
111K .113 .105 2.87 2.67 .118 .106 3.00 2.70 3.417 3.397 86.8 86.3 .024 .60 3.80 96.4 .095 2.41 .188 4.78 .188 5.0 3.859 98.0
210 308 .129 .121 3.28 3.07 .118 .106 3.00 2.70 3.417 3.397 86.8 86.3 .024 .60 3.80 96.4 .095 2.41 .188 4.78 .188 5.0 3.859 98.0
112K .113 .105 2.87 2.67 .118 .106 3.00 2.70 3.615 3.595 91.8 91.3 .024 .60 3.98 101.2 .095 2.41 .188 4.78 .188 5.0 4.047 102.9
1914 .098 .090 2.50 2.30 .063 .051 1.60 1.30 3.854 3.838 97.9 97.5 .016 .40 4.11 104.4 .042 1.07 .125 3.18 .188 5.0 4.172 106.0
113K .113 .105 2.87 2.67 .118 .106 3.00 2.70 3.811 3.791 96.8 96.3 .024 .60 4.19 106.4 .095 2.41 .188 4.78 .188 5.0 4.250 108.0
211 309 .129 .121 3.28 3.07 .118 .106 3.00 2.70 3.811 3.791 96.8 96.3 .024 .60 4.19 106.4 .095 2.41 .188 4.78 .188 5.0 4.250 108.0
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Max corner
To clear radius S
.020 (.51 mm)
To clear standard
radius* t
fillet radius
g
a b
w
c x d
* Where standard bearing corner is .020 (.51 mm) or less, the corner remains same as standard.
1915 .098 .090 2.50 2.30 .063 .051 1.60 1.30 4.039 4.019 102.6 102.1 .016 .40 4.36 110.7 .042 1.07 .156 3.96 .188 5.0 4.422 112.3
1916 .098 .090 2.50 2.30 .063 .051 1.60 1.30 4.236 4.216 107.6 107.1 .016 .40 4.55 115.5 .042 1.07 .156 3.96 .188 5.0 4.609 117.1
114K .113 .105 2.87 2.67 .118 .106 3.00 2.70 4.205 4.185 106.8 106.3 .024 .60 4.58 116.3 .095 2.41 .188 4.78 .188 5.0 4.641 117.9
212 310 .129 .121 3.28 3.07 .118 .106 3.00 2.70 4.205 4.185 106.8 106.3 .024 .60 4.58 116.3 .095 2.41 .188 4.78 .188 5.0 4.641 117.9
115K .113 .105 2.87 2.67 .118 .106 3.00 2.70 4.402 4.382 111.9 111.3 .024 .60 4.78 121.4 .095 2.41 .188 4.78 .188 5.0 4.844 123.0
1917 .130 .122 3.30 3.10 .063 .051 1.60 1.30 4.630 4.610 117.6 117.1 .016 .40 4.94 125.4 .042 1.07 .156 3.96 .281 7.0 5.000 127.0
213 311 .160 .152 4.06 3.86 .134 .122 3.40 3.10 4.536 4.516 115.2 114.7 .024 .60 5.09 129.4 .109 2.77 .281 7.14 .281 7.0 5.156 131.0
1918 .130 .122 3.30 3.10 .063 .051 1.60 1.30 4.827 4.807 122.6 122.1 .016 .40 5.14 130.6 .042 1.07 .156 3.96 .281 7.0 5.203 132.2
116K .113 .105 2.87 2.67 .134 .122 3.40 3.10 4.733 4.713 120.2 119.7 .024 .60 5.30 134.5 .109 2.77 .281 7.14 .281 7.0 5.359 136.1
214 .160 .152 4.06 3.86 .134 .122 3.40 3.10 4.733 4.713 120.2 119.7 .024 .60 5.30 134.5 .109 2.77 .281 7.14 .281 7.0 5.359 136.1
1919 .130 .122 3.30 3.10 .063 .051 1.60 1.30 5.024 5.004 127.6 127.1 .016 .40 5.33 135.3 .042 1.07 .156 3.96 .281 7.0 5.391 136.9
117K .113 .105 2.87 2.67 .134 .122 3.40 3.10 4.930 4.910 125.2 124.7 .024 .60 5.50 139.7 .109 2.77 .281 7.14 .281 7.0 5.562 141.3
215 312 .160 .152 4.06 3.86 .134 .122 3.40 3.10 4.930 4.910 125.2 124.7 .024 .60 5.50 139.7 .109 2.77 .281 7.14 .281 7.0 5.562 141.3
1920 .130 .122 3.30 3.10 .087 .075 2.20 1.90 5.417 5.397 137.6 137.1 .024 .60 5.73 145.7 .065 1.65 .156 3.96 .281 7.0 5.797 147.2
118K .146 .136 3.71 3.45 .134 .122 3.40 3.10 5.324 5.304 135.2 134.7 .024 .60 5.89 149.6 .109 2.77 .281 7.14 .281 7.0 5.953 151.2
216 313 .193 .183 4.90 4.65 .134 .122 3.40 3.10 5.324 5.304 135.2 134.7 .024 .60 5.89 149.6 .109 2.77 .281 7.14 .281 7.0 5.953 151.2
1921 .130 .122 3.30 3.10 .087 .075 2.20 1.90 5.614 5.594 142.6 142.1 .024 .60 5.92 150.4 .065 1.65 .156 3.96 .281 7.0 5.984 152.0
119K .146 .136 3.71 3.45 .134 .122 3.40 3.10 5.521 5.501 140.2 139.7 .024 .60 6.08 154.4 .109 2.77 .281 7.14 .281 7.0 6.141 156.0
1922 .130 .122 3.30 3.10 .087 .075 2.20 1.90 5.811 5.791 147.6 147.1 .024 .60 6.13 155.6 .065 1.65 .156 3.96 .281 7.0 6.188 157.2
120K .146 .136 3.71 3.45 .134 .122 3.40 3.10 5.718 5.698 145.2 144.7 .024 .60 6.28 159.5 .109 2.77 .281 7.14 .281 7.0 6.344 161.1
217 314 .193 .183 4.90 4.65 .134 .122 3.40 3.10 5.718 5.698 145.2 144.7 .024 .60 6.28 159.5 .109 2.77 .281 7.14 .281 7.0 6.344 161.1
121K .146 .136 3.71 3.45 .134 .122 3.40 3.10 6.111 6.091 155.2 154.7 .024 .60 6.67 169.5 .109 2.77 .281 7.14 .281 7.0 6.734 171.0
218 315 .193 .183 4.90 4.65 .134 .122 3.40 3.10 6.111 6.091 155.2 154.7 .024 .60 6.67 169.5 .109 2.77 .281 7.14 .281 7.0 6.734 171.0
1924 .146 .138 3.70 3.50 .087 .075 2.20 1.90 6.370 6.350 161.8 161.3 .024 .60 6.75 171.5 .065 1.65 .188 4.78 .281 7.0 6.812 173.0
122K .146 .136 3.70 3.45 .150 .138 3.80 3.50 6.443 6.423 163.7 163.1 .024 .60 7.19 182.6 .120 3.05 .375 9.53 .375 10.0 7.250 184.2
219 316 .224 .214 5.69 5.44 .150 .138 3.80 3.50 6.443 6.423 163.7 163.1 .024 .60 7.19 182.6 .120 3.05 .375 9.53 .375 10.0 7.250 184.2
1926 .146 .138 3.70 3.50 .087 .075 2.20 1.90 6.961 6.941 176.8 176.3 .024 .60 7.34 186.5 .065 1.65 .188 4.78 .375 10.0 7.406 188.0
124K .146 .136 3.70 3.45 .150 .138 3.80 3.50 6.837 6.817 173.7 173.2 .024 .60 7.59 192.9 .120 3.05 .375 9.53 .375 10.0 7.656 194.5
220 317 .224 .214 5.69 5.44 .150 .138 3.80 3.50 6.837 6.817 173.7 173.2 .024 .60 7.59 192.9 .120 3.05 .375 9.53 .375 10.0 7.656 194.5
1928 .146 .138 3.70 3.50 .087 .075 2.20 1.90 7.354 7.334 186.8 186.3 .024 .60 7.73 196.5 .065 1.65 .188 4.78 .375 10.0 7.797 198.0
221 318 .224 .214 5.69 5.44 .150 .138 3.80 3.50 7.230 7.210 183.6 183.1 .024 .60 7.98 202.8 .120 3.05 .375 9.53 .375 10.0 8.047 204.4
126K 222 319 .224 .214 5.69 5.44 .150 .138 3.80 3.50 7.624 7.604 193.7 193.1 .024 .60 8.38 212.7 .120 3.05 .375 9.53 .375 10.0 8.438 214.3
128K .224 .214 5.69 5.44 .150 .138 3.80 3.50 8.018 7.998 203.7 203.2 .024 .60 8.77 222.7 .120 3.05 .375 9.53 .375 10.0 8.828 224.2
224 320 .224 .214 5.69 5.44 .150 .138 3.80 3.50 8.215 8.195 208.7 208.2 .024 .60 8.97 227.8 .120 3.05 .375 9.53 .375 10.0 9.031 229.4
130K 321 .224 .214 5.69 5.44 .150 .138 3.80 3.50 8.608 8.588 218.6 218.1 .024 .60 9.36 237.7 .120 3.05 .375 9.53 .375 10.0 9.422 239.3
226 .224 .214 5.69 5.44 .150 .138 3.80 3.50 8.805 8.785 223.7 223.1 .024 .60 9.56 242.9 .120 3.05 .375 9.53 .375 10.0 9.625 244.5
132K 322 .224 .214 5.69 5.44 .150 .138 3.80 3.50 9.199 9.179 233.7 233.2 .024 .60 9.95 252.8 .120 3.05 .375 9.53 .375 10.0 10.020 254.4
228 .224 .214 5.69 5.44 .150 .138 3.80 3.50 9.589 9.569 243.6 243.1 .024 .60 10.3 262.7 .120 3.05 .375 9.53 .375 10.0 10.410 264.3
230 .224 .214 5.69 5.44 .150 .138 3.80 3.50 10.38 10.36 263.6 263.0 .024 .60 11.1 282.6 .120 3.05 .375 9.53 .375 10.0 11.200 284.6
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Max corner
radius S
To clear
.020 (.51 mm)
To clear standard
radius*
fillet radius t
a b g
w
c x d
* Where standard bearing corner is .020 (.51 mm) or less, the corner remains same as standard
200 300 a b c s d t w g x
inch mm inch mm inch mm ±.002 ±.05 ±.003 ±.08 Minimum
Max Min Max Min Max Min Max Min Max Min Max Min inch mm inch mm inch mm inch mm inch mm inch mm
203 .147 .139 3.73 3.53 .065 .053 1.65 1.35 1.500 1.490 38.1 37.9 .016 .40 1.75 44.5 .042 1.07 .125 3.18 .125 3 1.781 45.2
204 .187 .179 4.75 4.55 .065 .053 1.65 1.35 1.756 1.746 44.6 44.4 .016 .40 2.06 52.4 .042 1.07 .156 3.96 .125 3 2.094 53.2
205 304 .187 .179 4.75 4.55 .065 .053 1.65 1.35 1.958 1.948 49.7 49.5 .016 .40 2.27 57.6 .042 1.07 .156 3.96 .188 5 2.297 58.3
206 305 .181 .173 4.60 4.40 .087 .075 2.20 1.90 2.347 2.327 59.6 59.1 .024 .60 2.66 67.5 .065 1.65 .156 3.96 .188 5 2.688 68.3
207 306 .181 .173 4.60 4.40 .087 .075 2.20 1.90 2.709 2.689 68.8 68.3 .024 .60 3.08 78.2 .065 1.65 .188 4.78 .188 5 3.141 79.8
208 307 .181 .173 4.60 4.40 .087 .075 2.20 1.90 3.024 3.004 76.8 76.3 .024 .60 3.40 86.5 .065 1.65 .188 4.78 .188 5 3.469 88.1
209 .181 .173 4.60 4.40 .087 .075 2.20 1.90 3.221 3.201 81.8 81.3 .024 .60 3.59 91.3 .065 1.65 .188 4.78 .188 5 3.656 92.9
210 308 .179 .171 4.55 4.35 .118 .106 3.00 2.70 3.417 3.397 86.8 86.3 .024 .60 3.80 96.4 .095 2.41 .188 4.78 .188 5 3.859 98.0
211 309 .179 .171 4.55 4.35 .118 .106 3.00 2.70 3.811 3.791 96.8 96.3 .024 .60 4.19 106.4 .095 2.41 .188 4.78 .188 5 4.250 108.0
212 310 .179 .171 4.55 4.35 .118 .106 3.00 2.70 4.205 4.185 106.8 106.3 .024 .60 4.58 116.3 .095 2.41 .188 4.78 .188 5 4.641 117.9
213 311 .291 .283 7.39 7.19 .134 .122 3.40 3.10 4.536 4.516 115.2 114.7 .024 .60 5.09 129.4 .109 2.77 .281 7.14 .281 7 5.156 131.0
214 .291 .283 7.39 7.19 .134 .122 3.40 3.10 4.733 4.713 120.2 119.7 .024 .60 5.30 134.5 .109 2.77 .281 7.14 .281 7 5.359 136.1
215 312 .291 .283 7.39 7.19 .134 .122 3.40 3.10 4.930 4.910 125.2 124.7 .024 .60 5.50 139.7 .109 2.77 .281 7.14 .281 7 5.562 141.3
313 .315 .307 8.00 7.80 .134 .122 3.40 3.10 5.324 5.304 135.2 134.7 .024 .60 5.89 149.6 .109 2.77 .281 7.14 .281 7 5.953 151.2
314 .315 .307 8.00 7.80 .134 .122 3.40 3.10 5.718 5.698 145.2 144.7 .024 .60 6.28 159.5 .109 2.77 .281 7.14 .281 7 6.344 161.1
315 .315 .307 8.00 7.80 .134 .122 3.40 3.10 6.111 6.091 155.2 154.7 .024 .60 6.67 169.5 .109 2.77 .281 7.14 .281 7 6.784 171.0
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Ring section1)
gauge T (Typical R)
W
.042 .035
G .065 .050
.095 .060
B D .109 .075
Max radius R .120 .090
1 102 201 1.2598 1.187 1.172–.020 1.422 .042 .125 3/32 ± 1/32
2 103 202 300 1.3780 1.306 1.291–.020 1.541 .042 .125 3/32 ± 1/32
4 105 204 303 1.8504 1.756 1.741–.030 2.053 .042 .156 1/8 ± 1/32
5 205 304 2.0472 1.958 1.943–.030 2.255 .042 .156 1/8 ± 1/32
5a 106 2.1654 2.071 2.056–.030 2.368 .042 .156 1/8 ± 1/32
6 107 206 305 403 2.4409 2.347 2.322–.030 2.634 .065 .156 1/8 ± 1/32
6b 108 2.6772 2.616 2.591–.030 2.922 .065 .156 1/8 ± 1/32
7 207 306 404 2.8346 2.709 2.684–.030 3.060 .065 .188 1/8 ± 1/32
10 111 210 308 406 3.5433 3.417 3.392–.046 3.768 .095 .188 5/32 ± 3/64
10a 112 3.7402 3.615 3.590–.046 3.966 .095 .188 5/32 ± 3/64
11 113 211 309 407 3.9370 3.811 3.786–.046 4.162 .095 .188 5/32 ± 3/64
12 114 212 310 408 4.3307 4.205 4.180–.062 4.556 .095 .188 3/16 ± 1/16
12a 115 4.5276 4.402 4.377–.062 4.753 .095 .188 3/16 ± 1/16
13 213 311 409 4.7244 4.536 4.506–.062 5.068 .109 .281 3/16 ± 1/16
14 116 214 4.9213 4.733 4.703–.062 5.265 .109 .281 3/16 ± 1/16
15 117 215 312 410 5.1181 4.930 4.900–.062 5.462 .109 .281 3/16 ± 1/16
16 118 216 313 411 5.5118 5.324 5.294–.093 5.856 .109 .281 3/16 ± 1/16
16a 119 5.7087 5.521 5.491–.093 6.053 .109 .281 9/32 ± 1/16
17 120 217 314 412 5.9055 5.718 5.688–.093 6.250 .109 .281 9/32 ± 1/16
18 121 218 315 413 6.2992 6.111 6.081–.093 6.643 .109 .281 9/32 ± 1/16
19 122 219 316 6.6929 6.443 6.413–.125 7.163 .120 .375 3/8 ± 1/16
20 124 220 317 414 7.0866 6.837 6.807–.125 7.557 .120 .375 3/8 ± 1/16
21 221 318 415 7.4803 7.230 7.200–.125 7.950 .120 .375 3/8 ± 1/16
22 126 222 319 416 7.8740 7.624 7.594–.125 8.344 .120 .375 3/8 ± 1/16
23 128 417 8.2677 8.018 7.987–.125 8.737 .120 .375 3/8 ± 1/16
24 224 320 8.4646 8.215 8.184–.125 8.934 .120 .375 3/8 ± 1/16
25 130 321 418 8.8583 8.608 8.578–.156 9.328 .120 .375 15/32 ± 3/32
26 226 9.0551 8.805 8.775–.156 9.525 .120 .375 15/32 ± 3/32
27 132 322 9.4488 9.199 9.168–.156 9.918 .120 .375 15/32 ± 3/32
1) Snap-ring need not conform to cross section shown but all 4 corners must clear .016 Max. fillet (snap rings 0 through 5a) or .024 (snap rings 6 through 27).
2) Gap dimension and tolerance apply when snap ring bore B is nominal diameter shown (Max. bore).
Break all sharp corners and remove all burs.
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Bearing accessories
Removable sleeves
and removal nuts
Removable sleeves have a taper on the
outside diameter corresponding to the taper
in the bore of the bearings. These sleeves
are used for applications where bearings
must be removed occasionally for the inspec-
tion of machine parts and at the same time
will be positively located on the shaft with the
equivalent of a press fit. A removal nut is used
to remove the sleeve from the bearing. In
assembling, the sleeve is locked on a threaded Adapters
shaft by means of lock nuts, lock washers and
lock plates.
Adapters
The adapter is used to hold and locate a
tapered bore bearing on a cylindrical seat.
It permits relatively wide tolerances for the
shaft diameter and makes it unnecessary to
heat the bearing or use a press when mount-
ing in order to obtain an interference fit of
the inner race on the shaft. Adapters are
manufactured with the same precise
techniques and care used in the manufacture
of bearings. Removable sleeves and
removable nuts
323
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D1
E
N03 17 .6693 28.6 11/8 8.48 .334 8.99 .354 23.3 .918 23.8 .938 W03 1.07 .042
N04 20 .7874 34.9 13/8 9.27 .365 9.78 .385 28.1 1.105 28.6 1.125 W04 1.07 .042
N05 25 .9843 39.7 19/16 10.1 .396 10.6 .416 32.0 1.261 32.5 1.281 W05 1.27 .050
N06 30 1.1811 44.4 13/4 10.1 .396 10.6 .416 37.6 1.480 38.1 1.500 W06 1.27 .050
N07 35 1.3780 52.4 21/16 10.9 .428 11.4 .448 45.5 1.793 46.1 1.813 W07 1.27 .050
N08 40 1.5748 57.2 21/4 10.9 .428 11.4 .448 50.3 1.980 50.8 2.000 W08 1.47 .058
N09 45 1.7717 64.3 217/32 10.9 .428 11.4 .448 57.4 2.261 57.9 2.281 W09 1.47 .058
N10 50 1.9685 68.3 211/16 12.4 .490 13.0 .510 61.4 2.418 61.9 2.438 W10 1.47 .058
N11 55 2.1654 75.4 231/32 12.4 .490 13.0 .510 67.0 2.636 67.5 2.656 W11 1.60 .063
N12 60 2.3622 80.2 35/32 13.2 .521 13.7 .541 71.7 2.824 72.2 2.844 W12 1.60 .063
N13 65 2.5591 85.7 33/8 14.0 .553 14.6 .573 77.3 3.043 77.8 3.063 W13 1.60 .063
N14 70 2.7559 92.1 35/8 14.0 .553 14.6 .573 83.4 3.283 84.2 3.313 W14 1.60 .063
AN15 75 2.9528 98.4 37/8 14.8 .584 15.3 .604 89.7 3.533 90.5 3.563 W15 1.83 .072
AN16 80 3.1496 105.6 45/32 14.8 .584 15.3 .604 96.9 3.814 97.6 3.844 W16 1.83 .072
AN17 85 3.3465 111.9 413/32 15.6 .615 16.1 .635 101.6 4.001 102.4 4.031 W17 1.83 .072
AN18 90 3.5433 118.3 421/32 17.2 .678 17.7 .698 108.0 4.251 108.7 4.281 W18 2.39 .094
AN19 95 3.7402 125.4 415/16 18.0 .709 18.5 .729 115.1 4.533 115.9 4.563 W19 2.39 .094
AN20 100 3.9370 131.8 53/16 18.7 .735 19.3 .760 121.5 4.783 122.3 4.813 W20 2.39 .094
AN21 105 4.1339 138.1 57/16 18.7 .735 19.3 .760 126.2 4.970 127.0 5.000 W21 2.39 .094
AN22 110 4.3307 145.3 523/32 19.5 .766 20.1 .791 133.4 5.251 134.1 5.281 W22 3.18 .125
AN24 120 4.7244 155.6 61/8 20.3 .798 20.9 .823 143.7 5.658 144.5 5.688 W24 3.18 .125
AN26 130 5.1181 171.4 63/4 21.8 .860 22.5 .885 156.4 6.158 157.2 6.188 W26 3.18 .125
AN28 140 5.5118 180.2 73/32 23.4 .923 24.1 .948 165.1 6.501 165.9 6.531 W28 3.18 .125
AN30 150 5.9055 195.3 711/16 24.2 .954 24.9 .979 178.6 7.033 179.4 7.063 W30 3.96 .156
AN32 160 6.2992 204.8 81/16 25.8 1.016 26.4 1.041 187.9 7.398 188.9 7.438 W32 3.96 .156
AN34 170 6.6929 219.9 821/32 26.6 1.048 27.3 1.073 203.0 7.991 204.0 8.031 W34 3.96 .156
AN36 180 7.0866 230.2 91/16 27.4 1.079 28.0 1.104 211.7 8.335 212.7 8.375 W36 3.96 .156
AN38 190 7.4803 240.5 915/32 28.2 1.110 28.8 1.135 222.0 8.741 223.0 8.781 W38 3.96 .156
AN40 200 7.8740 250.0 927/32 29.8 1.173 30.4 1.198 231.5 9.116 232.6 9.156 W40 3.96 .156
N44 220 8.6614 279.4 11 31.2 1.230 32.0 1.260 249.0 9.803 250.0 9.843 W44 3.96 .156
324
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P N
L
M
Z* Z*
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Installation procedures
For the precision ball and roller bearings All components of the bearing arrangement Bearing mounting
supplied by MRC Bearings, skill and cleanliness (housings, shafts, etc.) must be carefully
The method (mechanical, hydraulic or
while handling, mounting and dismounting cleaned and any burrs removed; unmachined
thermal) used to mount a bearing depends
are necessary to ensure satisfactory bearing internal surfaces of cast housings must be
on the type and size of the bearing and
performance. As precision components, free of core grit. The dimensional and form
complexity of the application assembly.
rolling bearings must be handled with appro- accuracy of all components in contact with
In all cases, it is extremely important that
priate care during transportation, storage, the bearings must be checked. The bearings
neither the bearing, nor any of its compo-
mounting and dismounting. For example, will only perform satisfactorily if the prescribed
nents (rings, cage or rolling elements),
it is well known that minute dents, and small tolerances of the mounting structures are
receive any impact loading (hammer blows,
amounts of contact surface corrosion and adhered to. The bearings should be left in
etc.) as this would damage the bearing and
contaminants will seriously shorten bearing their original packages until immediately
could dislodge components. Also, under no
endurance. Such damages can be caused by before mounting.
circumstances must pressure be applied to
improper handling. There is usually no need to remove
one ring in order to mount the other ring.
preservative protecting the bearings.
Bearing storage With non-separable bearings, the ring
If, however, the bearings are to be grease-
which is to have the tighter fit is generally
and transportation lubricated and used at very high or very low
mounted first. The seating surface should be
Before packaging, MRC precision bearings temperatures, or when the grease has been
lightly oiled before mounting. Pressure may
are treated with a high-grade preservative determined to be incompatible with the
be uniformly applied against a sleeve abutting
and they should be stored in the original, preservative, it is necessary to wash the
the bearing ring face; the use of a mounting
unbroken package. The relative humidity bearings in a suitable, non-contaminated fluid
dolly instead of a sleeve, as shown in Figure 1,
in the storage room should not exceed and carefully dry the bearings prior to mount-
permits a mounting force to be applied
60%. When transporting bearings into and ing. This is to prevent any detrimental effect
centrally.
out of the storage room, care must be on the lubricating properties of the grease.
exercised not to drop the bearings or apply Bearings which have become contam-
heavy or even moderate impact loading of inated because of improper handling
any kind to prevent damage to, or dislodging (damaged package, etc.) must be carefully
of, any of the bearing components. Also care washed and dried before mounting.
must be exercised to assure the package Bearings which are supplied ready-
remains unbroken to prevent contaminants greased and which have seals, shields or
from being introduced into the bearings. polymerized lubricant must never be
washed before mounting.
Preparations for
bearing mounting
Figure 1
Mounting should be carried out in a dry, dust
free room away from metal-working or other If a non-separable bearing is to be pressed
machines producing swarf and dust and onto the shaft and into the housing simulta-
operating with contaminating agents. Before neously, the tool set shown by Figure 2, in
mounting the bearings, all the necessary which a mounting ring is inserted between
parts, tools and equipment should be at the dolly and the bearing to simultaneously
hand. It is also important that any drawings abut the side faces of the inner and outer
or instructions be studied to determine the rings, may be used. For the mounting forces
correct order in which the various components to be applied equally to both rings, the
are to be mounted. abutment surfaces of the mounting ring must
lie in the same plane.
Figure 2
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Installation procedures
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Installation procedures
Dismounting of bearings
If bearings are to be reused after removal Figure 5
from the application, the force used to
dismount them must never be applied The claws of the puller should be placed
through the rolling elements. With separable against the side face of the ring to be
bearings, the ring with the rolling element removed or an adjacent component; e.g.,
and cage assembly can be removed a labyrinth ring, etc. Dismounting is made
independently of the other ring. With easier if, when designing the bearing
non-separable bearings, the ring having the arrangement, slots are provided in the shaft
looser fit should be removed from its seating and housing shoulders to accommodate the
first. To dismount a bearing ring having an claws of the puller. Outer rings can be
interference fit, the tools and accessories removed more easily from their housings if
described in the following may be used tapped holes are provided in the shoulders to
depending on bearing type and size. take withdrawal screws (Figure 6).
Figure 6
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Installation procedures
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Installation procedures
Spring washer
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Installation procedures
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Installation procedures
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37 8.61 .34 20.0 .79 138 202.0 7.95 288.0 11.34 156K 298.0 11.73 402.0 15.83
38 9.71 .38 20.0 .79 140 212.0 8.35 308.0 12.13 160K 318.0 12.52 442.0 17.40
164K 338.0 13.31 462.0 18.19
39 11.4 .45 23.4 .92 142 222.0 8.74 326.0 12.84
200 12.7 .50 24.9 .98
R2 4.60 .179 8.3 .33 144 234.0 9.21 336.0 13.23
201 14.7 .58 26.9 1.06
R2A 4.60 .179 11.8 .47 146 244.0 9.61 356.0 14.02
202 17.5 .69 30.0 1.18
R3 6.20 .24 11.8 .47 148 254.0 10.00 372.0 14.65
203 19.6 .77 34.0 1.34
R4 7.90 .31 14.4 .57 150 266.0 10.47 392.0 15.43 204 23.9 .94 40.9 1.61
R4A 8.20 .32 17.2 .68 152 278.0 10.95 412.0 16.22 205 29.0 1.14 46.0 1.81
R6 11.50 .45 20.3 .80 156 298.0 11.73 442.0 17.40
206 34.0 1.34 56.1 2.21
R8 15.90 .63 26.0 1.03 164 338.0 13.31 482.0 18.98 207 38.9 1.53 65.0 2.56
R10 19.10 .75 31.8 1.25 100K 11.9 .47 24.1 .95 208 43.9 1.73 72.9 2.87
R12 22.20 .88 38.1 1.50 101K 14.0 .55 25.9 1.02
209 49.3 1.94 78.0 3.07
R14 25.40 1.00 44.5 1.75 102K 17.0 .67 30.0 1.18 210 54.1 2.13 83.1 3.27
R16 28.60 1.13 47.6 1.88 103K 19.1 .75 33.0 1.30 211 61.2 2.41 93.5 3.68
R18 31.80 1.25 50.8 2.00 104K 22.6 .89 37.1 1.46 212 67.8 2.67 101.0 3.98
R20 34.90 1.38 54.0 2.13 105K 27.4 1.08 41.9 1.65 213 72.6 2.86 111.0 4.37
R22 38.10 1.50 60.3 2.38 106K 34.0 1.34 49.0 1.93 214 77.7 3.06 116.0 4.57
R24 41.30 1.63 63.5 2.50 107K 38.9 1.53 56.1 2.21 215 82.6 3.25 121.0 4.76
102 17.00 .67 30.0 1.18 108K 43.9 1.73 62.0 2.44 216 90.2 3.55 130.0 5.12
217 95.3 3.75 140.0 5.51
103 19.10 .75 35.1 1.38 109K 49.3 1.94 69.0 2.72
104 22.60 .89 37.1 1.46 110K 54.1 2.13 73.9 2.91 218 100.0 3.94 150.0 5.91
219 107.0 4.21 158.0 6.22
105 27.40 1.08 46.7 1.84 111K 59.2 2.33 83.1 3.27
220 112.0 4.41 168.0 6.61
106 34.00 1.34 56.1 2.21 112K 64.3 2.53 88.1 3.47
107 38.90 1.53 64.0 2.52 113K 69.1 2.72 92.9 3.66 221 117.0 4.61 178.0 7.01
222 122.0 4.80 188.0 7.40
108 43.90 1.73 73.9 2.91 114K 73.9 2.91 103.0 4.06 224 132.0 5.20 203.0 7.99
109 49.30 1.94 79.0 3.11 115K 79.0 3.11 108.0 4.25
226 144.0 5.67 216.0 8.50
110 54.10 2.13 83.1 3.27 116K 84.1 3.31 118.0 4.65
228 154.0 6.05 236.0 9.29
111 59.20 2.33 92.9 3.66 117K 88.9 3.50 123.0 4.84 230 164.0 6.46 256.0 10.08
112 64.30 2.53 98.0 3.86 118K 97.5 3.84 131.0 5.16 232 174.0 6.85 276.0 10.87
113 69.10 2.72 108.0 4.25 119K 102.0 4.05 136.0 5.35 234 188.0 7.40 292.0 11.50
114 73.90 2.91 113.0 4.45 120K 107.0 4.23 141.0 5.55 236 198.0 7.80 302.0 11.89
115 79.00 3.11 123.0 4.84 121K 115.0 4.53 150.0 5.91 238 208.0 8.19 322.0 12.68
116 84.10 3.31 128.0 5.05 122K 120.0 4.72 160.0 6.30 240 218.0 8.58 342.0 13.47
117 88.90 3.50 136.0 5.35 124K 130.0 5.12 170.0 6.69 242 232.0 9.13 359.0 14.13
118 97.50 3.84 141.0 5.55 126K 140.0 5.51 190.0 7.48 244 238.0 9.37 382.0 15.04
119 102.00 4.05 150.0 5.91 128K 150.0 5.91 200.0 7.87 246 254.0 10.00 397.0 15.63
120 107.00 4.23 150.0 5.91 130K 162.0 6.38 213.0 8.39 248 258.0 10.16 422.0 16.61
122 120.00 4.72 165.0 6.49 132K 172.0 6.77 228.0 8.98 250 277.0 10.92 434.0 17.07
124 130.00 5.12 180.0 7.09 134K 182.0 7.17 248.0 9.76 252 282.0 11.10 458.0 18.03
126 140.00 5.51 195.0 7.68 136K 192.0 7.56 266.0 10.55 256 302.0 11.89 478.0 18.82
128 150.00 5.91 208.0 8.19 138K 202.0 7.95 278.0 10.95 260 322.0 12.68 518.0 20.39
130 162.00 6.38 223.0 8.78 140K 212.0 8.35 298.0 11.73 264 342.0 13.47 558.0 21.97
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S H
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S H
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S S H
Max Min
MRC S H Self-aligning bearing with adapter sleeve Self-aligning bearing with adapter sleeve
bearing Minimum Maximum MRC S S H MRC S S H
number mm in. mm in. bearing Maximum Minimum Maximum bearing Maximum Minimum Maximum
11207E — — 65.5 2.58 number mm in. mm in. mm in. number mm in. mm in. mm in.
11208E — — 73.5 2.89 1204EK 28.5 1.12 23.0 .91 42.0 1.65 2221K 131.0 5.16 113.0 4.45 179.0 7.05
11209E — — 78.5 3.09 1205EK 33.0 1.30 28.0 1.10 47.0 1.85 2222K 137.0 5.39 118.0 4.65 189.0 7.44
11210E — — 83.5 3.29 1206EK 40.0 1.58 33.0 1.30 57.0 2.24 2305K 35.0 1.38 30.0 1.18 55.0 2.19
11212E — — 102.5 4.02 1207EK 47.0 1.85 38.0 1.50 65.5 2.58 2306K 41.0 1.61 35.0 1.38 65.5 2.58
11305E — — 55.5 2.19 1208EK 53.0 2.09 43.0 1.69 73.5 2.89 2307EK 46.0 1.81 40.0 1.58 72.0 2.84
11306E — — 65.5 2.58 1209EK 57.0 2.24 48.0 1.89 78.5 3.09 2308EK 53.0 2.09 45.0 1.77 82.0 3.23
11307E — — 72.0 2.84 1210EK 62.0 2.44 53.0 2.09 83.5 3.29 2309EK 60.0 2.36 50.0 1.97 92.0 3.62
11308E — — 82.0 3.23 1211EK 70.0 2.76 60.0 2.36 95.0 3.74 2310K 65.0 2.56 56.0 2.21 101.0 3.98
11310E — — 101.0 3.98 1212EK 78.0 3.07 64.0 2.52 102.0 4.02 2311K 72.0 2.84 61.0 2.40 111.0 4.37
Ball screw supports 1213K 85.0 3.35 70.0 2.76 112.0 4.41 2312K 76.0 2.99 66.0 2.60 119.0 4.69
1215K 93.0 3.66 80.0 3.15 122.0 4.81 2313K 85.0 3.35 72.0 2.84 129.0 5.08
J078DF 27.3 1.07 41.7 1.64
1216K 101.0 3.98 85.0 3.35 131.0 5.16 2315K 97.0 3.82 82.0 3.23 149.0 5.87
J093DF 33.3 1.31 55.3 2.18
J098DF 36.3 1.43 55.3 2.18 1217K 107.0 4.21 90.0 3.54 141.0 5.55 2316K 104.0 4.09 88.0 3.47 159.0 6.26
1218K 112.0 4.41 95.0 3.74 151.0 5.95 2317K 111.0 4.37 94.0 3.70 167.0 6.58
J150DF 47.1 1.86 63.0 2.48 1219K 120.0 4.72 100.0 3.94 159.0 6.26 2318K 115.0 4.53 100.0 3.94 177.0 6.97
J175DF 52.0 2.05 67.9 2.67
J225DF 65.2 2.57 81.2 3.20 1220K 127.0 5.00 106.0 4.17 169.0 6.65 2319K 121.0 4.76 105.0 4.13 187.0 7.36
1221K 134.0 5.28 111.0 4.37 179.0 7.05 2320K 130.0 5.12 110.0 4.33 202.0 7.95
J300DF 85.6 3.37 102.0 4.00 1222K 140.0 5.51 116.0 4.57 189.0 7.44 2322K 145.0 5.71 121.0 4.76 227.0 8.94
J400DF 112.0 4.41 135.0 5.30
1224K 150.0 5.91 127.0 5.00 204.0 8.03
1304EK 33.0 1.30 23.0 .91 45.5 1.79
1305EK 37.0 1.46 28.0 1.10 55.5 2.19
1306EK 44.0 1.73 33.0 1.30 65.5 2.58
1307EK 51.0 2.01 39.0 1.54 72.0 2.84
1308EK 61.0 2.40 44.0 1.73 82.0 3.23
1309EK 67.0 2.64 50.0 1.97 92.0 3.62
1310EK 70.0 2.76 55.0 2.17 101.0 3.98
1311EK 77.0 3.03 60.0 2.36 111.0 4.37
1312EK 87.0 3.43 65.0 2.56 119.0 4.69
1313EK 89.0 3.50 70.0 2.76 129.0 5.08
1315K 104.0 4.09 80.0 3.15 149.0 5.87
1316K 109.0 4.29 85.0 3.35 159.0 6.26
1317K 117.0 4.61 91.0 3.58 167.0 6.58
1318K 122.0 4.80 96.0 3.78 177.0 6.97
1319K 127.0 5.00 102.0 4.02 187.0 7.36
1320K 136.0 5.35 108.0 4.25 202.0 7.95
1322K 154.0 6.06 118.0 4.65 227.0 8.94
2205EK 32.0 1.26 28.0 1.10 47.0 1.85
2206EK 38.0 1.50 33.0 1.30 57.0 2.24
2207EK 45.0 1.77 39.0 1.54 65.5 2.58
2208EK 52.0 2.05 44.0 1.73 73.5 2.89
2209EK 55.0 2.17 50.0 1.97 78.5 3.09
2210EK 61.0 2.40 55.0 2.17 83.5 3.29
2211EK 67.0 2.64 60.0 2.36 92.0 3.62
2212EK 74.0 2.91 65.0 2.56 102.0 4.02
2213EK 80.0 3.15 70.0 2.76 112.0 4.41
2215K 93.0 3.66 80.0 3.15 122.0 4.80
2216EK 99.0 3.90 85.0 3.35 131.0 5.16
2217K 105.0 4.13 91.0 3.58 141.0 5.55
2218K 112.0 4.41 96.0 3.78 151.0 5.95
2219K 118.0 4.65 102.0 4.02 159.0 6.26
2220K 124.0 4.88 108.0 4.25 169.0 6.65
337
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339
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Centimeter (cm) 0.03280840 Foot (ft) Foot per second (fps) 0.3048 Meter per second (m/s)
Centimeter (cm) 0.3937 Inch (in.) Foot per second per second 0.3048 Meter per second
per second (m/s2)
Centimeter (cm) 0.01 Meter (m)
Foot-pound-force (ft-lbf) 1.3558:8 Joule (J)
Centimeter (cm) 10 Millimeter (mm)
Foot-poundal 0.04214011 Joule (J)
Centimeter per minute (cm/Min) 0.3937008 Inch per minute (ipm)
Foot-pound per hour (ft-lb/hr) 0.0003766161 Watt (W)
Centimeter per second (cm/s) 1.968504 Foot per minute (fpm)
Foot-pound per minute 0.02259697 Watt (W)
Centimeter per second (cm/s) 0.03280840 Foot per second (fps) (ft-lb/min)
Cubic centimeter (cm3) 0.061023 Cubic Inch (in3) Gallon, U.S. liquid (gal) 0.003785412 Cubic meter (m3)
Cubic foot (ft3) 0.02832 Cubic meter (m3) Gallon, U.S. liquid (gal) 3.785412 Liter (l)
Cubic foot (ft3) 28.31685 Liter (l) Gallon per minute, U.S. 3.785412 Liter per minute
Cubic foot per minute (ft3/Min) 0.004719474 Cubic meter per liquid (gpm) (l/min)
second (m3/s) Gallon per minute, U.S. 0.06309020 Liter per second
Cubic foot per minute (ft3/Min) 28.31685 Liter per minute (l/min) liquid (gpm) (l/s)
Cubic inch (in3) 16.38706 Cubic centimeter (cm3) Gallon per minute, U.S. 0.003785412 Cubic meter per
liquid (gpm) minute (m3/min)
Cubic inch (in3) 0.00001638706 Cubic meter (m3)
Gallon per minute, U.S. 0.00006309020 Cubic meter per
Cubic inch (in3) 16.387.06 Cubic millimeter (mm3)
liquid (gpm) second (m3⁄s)
Cubic meter (m3) 61,023.76 Cubic inch (in3)
Gram (g) 0.03527397 Ounce, (Av) (oz)
Cubic meter (m ) 3
35.3147 Cubic foot (ft3)
Gram (g) 0.03215074 Ounce, (troy) (oz)
Cubic meter (m3) 264.1720 Gallon, U.S. liquid (gal)
Gram per cubic centimeter 0.3612730 Pound per cubic
Cubic meter (m3) 1000.0 Liter (l) (g/cm3) inch (lb /in3)
Cubic meter per minute 264.1720 Gallon per minute, Horsepower (hp) 0.7456999 Kilowatt (kW)
(m3/Min) U.S. liquid (gpm)
Horsepower (hp) 745.6999 Watt (W)
Cubic meter per second (m3/s) 2118.880 Cubic foot per minute
Horsepower, Metric (hp) 735.499 Watt (W)
(ft3/Min)
Inch (in.) 2.540 Centimeter (cm)
Cubic meter per second (m3/s) 15,850.32 Gallon per minute
U.S. liquid (gpm) Inch (in.) 0.0254 Meter (m)
Cubic millimeter (mm3) 0.00006102376 Cubic inch (in3) Inch (in.) 25.4 Millimeter (mm)
Dyne 0.00001 Newton (N) Inch of mercury, 32° F 3386.39 Newton per square
meter (N/m2)
Dyne-centimeter 0.0000001 Newton-meter (N-m)
Inch per minute (ipm) 2.54 Centimeter per
Fahrenheit temperature (t F) (TF-32)/1.8 = t C (t C)
minute (cm/min)
Fahrenheit temperature (t F) (tF+459.67)/1.8 = tK Kelvin temperature (tK)
Inch per minute (ipm) 0.0254 Meter per minute
Foot (ft) 30.48 Centimeter (cm) (m/min)
Foot (ft) 0.3048 Meter (m) Inch per minute (ipm) 25.4 Millimeter per minute
Foot per hour (fph) 0.3048 Meter per hour (m/hr) (mm/min)
Foot per hour (fph) 0.00508 Meter per minute Joule (J) 0.0009478170 British thermal
(m/min) unit (BTU)
Foot per hour (fph) 0.00008466667 Meter per second Joule (J) 0.7375621 Foot-pound-force
(m/s) (ft-lbf)
Foot per minute (fpm) 0.508 Centimeter per second Joule (J) 23.73036 Foot-poundal
(cm/s) Joule (J) 0.0002777778 Watt-hour (W-h)
Foot per minute (fpm) 18.288 Meter per hour (m/hr) Kelvin temperature (t K) t K – 273.15 = t C Celsius temperature (t C)
Foot per minute (fpm) 0.3048 Meter per minute Kelvin temperature (t K) 1.8t K – 459.67 = t F Fahrenheit
(m/min) temperature (t F)
341
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Kilogram-force per square meter 0.001422 Pound per square inch Newton (N) 100,000 Dyne
(kgf/m2) (psi) Newton (N) 0.1019716 Kilogram-force or kilo
Kilowatt (kW) 1.341022 Horsepower (hp) pound (kgf)
Kilowatt-hour (kwh) 3,600,000 Joule (J) Newton (N) 3.596942 Ounce-force (ozf)
Kilonewton per square meter 0.1450377 Pound per square Newton (N) 7.23301 Poundal
kN/m2) inch (psi) Newton (N) 0.2248089 Pound-force (lbf)
Liter (l) 0.03531466 Cubic foot (ft3) Newton-meter (N-m) 10,000,000 Dyne-centimeter
Liter (l) 0.001 Cubic meter (m3) Newton-meter (N-m) 0.1019716 Kilogram-force-meter
Liter (l) 0.2641720 Gallon, U.S. liquid (gal) (kgf-m)
Liter per minute (lpm) 0.03531466 Cubic foot per minute Newton-meter (N-m) 141.6119 Ounce-force-inch
(ft3/min) (ozf-in.)
Liter per minute (lpm) 0.2641720 Gallon per minute, Newton-meter (N-m) 0.73756 Pound-force-foot
U.S. liquid (gpm) (lbf-ft)
Liter per second (lps) 15.85032 Gallon per minute, Newton-millimeter (N-mm) 0.1416119 Ounce-force-inch
U.S. liquid (gpm) (ozf-in.)
Megapascal (MPa) 145.0377 Pound per square inch Newton per meter (N/m) 0.06852178 Pound-force per foot
(psi) (lbf/ft)
Meter (m) 39.37008 Inch (in.) Newton per meter (N/m) 0.005710148 Pound-force per inch
(lbf/in.)
Meter (m) 3.280840 Foot (ft)
Newton per square centimeter 1.450377 Pound per square
Meter (m) 1.0936 Yard (yd) (N/cm2) inch (psi)
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Newton per square meter (N/m2) 0.0001450 Pound per square inch Pound per square inch (psi) 51,500 Micron
(psi) Pound per square inch (psi) 51.5 Millimeter of mercury
Newton per square millimeter 145.0377 Pound per square inch (Torr)
(N/mm2) (psi) Pound per square inch (psi) 0.6894757 Newton per square
Ounce, (Av) (oz) 28.3495 Gram (g) centimeter (N/cm2)
Ounce, (troy) (oz) 31.10348 Gram (g) Pound per square inch (psi) 6894.76 Newton per square
meter (N/m2)
Ounce, (Av) (oz) 0.02834952 Kilogram (kg)
Pound per square inch (psi) 0.006895 Newton per square
Ounce, (Troy) (oz) 0.03110348 Kilogram (kg) millimeter (N/mm2)
Ounce-force (ozf) 0.2780139 Newton (N) Pound per square inch (psi) 6894.757 Pascal (Pa)
Ounce-force-inch (ozf-in.) 0.007061552 Newton-meter (N-m) Square centimeter (cm2) 0.001076391 Square foot (ft2)
Ounce-force-inch (ozf-in.) 7.061552 Newton-millimeter Square centimeter (cm2) 0.1550003 Square inch (in.2)
(N-mm)
Square foot (ft )
2
929.0304 Square centimeter
Pascal (Pa) 0.1019716 Kilogram per square (cm2)
meter (kg/m2)
Square foot (ft2) 0.09290304 Square meter (m2)
Pascal (Pa) 1.0 Newton per square
meter (N/m2) Square foot (ft )
2
92,903.04 Square millimeter
(mm2)
Pascal (Pa) 0.02088543 Pound per square foot
(lb/ft2) Square foot per second (ft2/s) 0.092900304 Square meter per
second (m2/s)
Pascal (Pa) 0.0001450377 Pound per square inch
(psi) Square inch (in.2) 6.4516 Square centimeter
(cm2)
Pound, (Av) (lb) 0.453592 Kilogram (kg)
Square inch (in.2) 0.00064516 Square meter (m2)
Poundal 0.1382550 Newton (N)
Square inch (in. ) 2
645.16 Square millimeter
Pound-foot-(lb-ft) 1.355818 Newton-meter (N-m) (mm2)
Pound-foot per second 0.1382550 Kilogram-meter per Square meter (m2) 10.763910 Square foot (ft2)
(lb-ft/s) second (kg-m/s)
Square meter (m ) 2
1550.003 Square inch (in.2)
Pound-force (lbf) 4.448222 Newton (N)
Square millimeter (mm2) 0.0001076387 Square foot (ft2)
Pound-inch per second 0.01152125 Kilogram-meter per
(lb-in./s) second (kg-m/s) Square millimeter (mm ) 2
0.001550003 Square inch (in.2)
Pound per cubic inch 27.67990 Gram per cubic Ton (metric) 1000 Kilogram (kg)
(lb/in.2) centimeter (g/cm3) Ton (long) 1016.047 Kilogram (kg)
Pound per cubic foot 16.01846 Kilogram per cubic Ton (short) 907.1847 Kilogram (kg)
(lb/ft3) meter (kg/m3) Torr (mm Hg) 133.322 Pascal (Pa)
Pound per foot (lb/ft) 14.59390 Newton per meter Watt (W) 3.412141 British thermal unit
(N/m) (BTU/hour)
Pound per inch (lb/in.) 175.1268 Newton per meter Watt (W) 2655.224 Foot-pound per hour
(N/m) (ft-lb/hour)
Pound per square foot 4.882429 Kilogram per square Watt (W) 44.25372 Foot-pound per minute
(lb/ft2) meter (kg/m2 ) (ft-lb/min)
Pound per square foot 47.88026 Newton per square Watt (W) 0.001341022 Horsepower (hp)
(lb/ft2) meter (N/m2)
Watt (W) 0.001359621 Horsepower (metric)
Pound per square foot (lb/ft2) 47.88026 Pascal (Pa) (hp)
Pound per square inch (psi) 0.063 Atmosphere Watt-hour (W-h) 3600 Joule (J)
Pound per square inch (psi) 2.036 Inch of Mercury Yard (yd) 0.9144 Meter (m)
Pound per square inch (psi) 0.70730697 Kilogram per square
centimeter (kg/cm2)
343
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Trigonometric solutions
Solutions of triangles
C a
b
A = 90˚
B
Right-angled triangles
Sides and angles known Formulas for sides and angles to be found
b
Sides a and b c= a 2 − b2 C= 90°- B
sin B = a
c
Sides a and c b= a 2 − c2 B= 90°− C
sin C = a
b
Sides b and c a= b 2 + c2 C= 90°− B
tan B =c
b
Side b; angle B c = a × cot B C= 90°− B
a = sin B
c
Side c; angle B b = c × tan B C= 90°− B
a = cos B
A
b
c
B
C
Oblique–angled triangles
Sides and angles known Formulas for sides and angles to be found
Side a; angles A, B C = 180°− (A + B) a × sin B a + sin C
b= c=
sin A sin A
344
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Trigonometric solutions
Areas of plane figures
A = area
A = s2
A = 1 d2
d s 2
s = 0.707d = √ A
d = 1.414s = 1.414 √ A
s
Square
A = ab
A = a √ d2 – a 2 = b √ d2 – b 2
d a
d = √ a2 + b 2
a = √ d2 – b 2 = A ÷ b
b b = √ d2 – a 2 = A ÷ a
Rectangle
A = ab
a a=A÷b
b=A÷a
b
Parallelogram
A = bc
2
a
b a = √ b2 + c2
b = √ a2 - c2
c c = √ a2 - b 2
Right-angled triangle
2
a2 + b2 - c2
c a
A = bh = b c2 -
2 2 ( 2b )
h 1
If S = (a + b + c), then
2
b A = S (S – a) (S – b) (S – c)
Acute-angled triangle
c2 - a2 - b2 2
c
A = bh = b
2 2
a2 - ( 2b )
a h
If S = 1 (a + b + c), then
2
A = S (S – a) (S – b) (S – c)
b
Obtuse-angled triangle
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Trigonometric solutions
Areas of plane figures
A = area
a
(a + b) h
A=
2
h
b
Trapezoid
A = (H + h) a + bh + cH
2
H A trapezium can also be divided into two
h triangles as indicated by the dotted line.
The area of each of the triangles is computed,
b a c and the results added to find the area of the
Trapezium trapezium.
n = number of sides
x
a = 360° ÷ n; ß=180° - a
s
nsr ns s2
R A= = R2 −
2 2 4
B
s2 s2 , s =2 R2 - r2
R= r2 + , r= R2 +
4 4
Regular polygon
C = circumference
A = πr2 = 3.1416r2 = 0.7854 d2
C = 2πr = 6.2832 r = 3.1416 d
d
r r = C ÷ 6.2832 = √ A ÷ 3.1416 = 0.564 √ A
d = C ÷ 3.1416 = √ A ÷ 0.7854 = 1.128 √ A
Length of arc for center-angle of 1° = 0.008727 d
Circle Length of arc for center-angle of n° = 0.008727 nd
l
l= length of arc; a = angle in degrees
h
1
c C = 2 √ h (2r − h) A= [ rl − c (rh) ]
2
a c + 4h
2 2
r r= l = 0.01745 raa
8h
1 a = 57.296 l
Circular segment h=r− 4 r2 - c 2
2 r
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Trigonometric solutions
Areas of plane figures
A = area
Circular ring
a = angle in degrees
aπ 2 2
a A= (R – r ) = 0.00873 a (R2 – r2)
r
360
d R
D aπ
= (D2 – d2) = 0.00218 a (D2 – d2)
4 × 360
πr2
A = r2 – = 0.215 r2
4
r c = 0.1075 c2
Spandrel or fillet
P= perimeter or circumference
A= πab = 3.1416 ab
An approximate formula for the perimeter is:
a
b P = 3.1416 2 (a2 + b2)
A closer approximation is:
Ellipse
(a – b)2
P = 3.1416 2 (a2 + b2) –
2.2
e
ot
pt
ym D
A = area BCD
as
y
xy ab x y
b
B C
A=
2
–
2
hyp. log
a
+
b( )
a
x
Hyperbola
2
y A= xy
3
x The area is equal to two-thirds of the rectangle
which has x for its base and y for its height.
Parabola
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Trigonometric solutions
Volumes of solids
V = volume
V = s3
3
s = √V
s s
s
Cube
V= abc
b c V V V
a= b= c=
bc ac ab
a
Square prism
1
V= h × area of base
3
h If the base is a regular polygon with n sides,
and s= length of side, r= radius of inscribed
circle, and R= radius of circumscribed circle,
Base area
then:
nsrh nsh s2
Pyramid V= = R2 −
6 6 4
Area of top, A 1
h
V= (A 1+ A 2+ A 1× A 2 )
h 3
Area of base, A 2
Frustrum of prism
348
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Trigonometric solutions
Volumes of solids
V = volume
h1
S = area of cylindrical surface
r V = 1.5708 r2 (h1 + h2)= 0.3927 d2 (h1 + h2)
S = 3.1416 r (h1 + h2) =1.5708 d (h1 + h2)
h2 d
Portion of a cylinder
d
V = volume of cylinder
r
V = 3.1416 h (R2 – r2) = 0.7854 h (D2 – d2)
t R = 3.1416 ht (2 R – t) = 3.1416 ht (D – t)
h D = 3.1416 ht (2 r + t) = 3.1416 ht (d + t)
= 3.1416 ht (R + r) = 1.5708 ht (D + d)
Hollow cylinder
Frustrum cone
A = area of surface
4πr3 πd3
V= = = 4.1888 r3 = 0.5236 d3
r
3 6
d
A = 4 πr2 = πd2 = 12.5664r2 = 3.1416 d2
3
3V 3
r= = 0.6204 V
Sphere 4π
349
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Trigonometric solutions
Volumes of solids
V = volume
c1
A = area of spherical surface
h 3c12 3c22
c2 V = 0.5236 h ( + + h2 )
4 4
r
A = 2 π rh = 6.2832 rh
4π
V= (R3 – r3) = 4.1888 (R3 – r3)
r 3
d D π
R
= (D3 – d3) = 0.5236 (D3 – d3)
6
Hollow sphere
A = area of surface
V = 2π2 Rr2 = 19.739 Rr2
R
D r π2
= Dd2 = 2.4674 Dd2
4
d
A = 4 π2 Rr = 39.478 Rr
= π2 Dd = 9.8696 Dd
Torus
350
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Load computations
H × 63000
Q= where, 12 teeth
R
Q = Torque in in.-lbs Shaft (2) 400 rpm
H = Horsepower
24 teeth
R = Speed in rpm
Shaft (3) 200 rpm
The torque used in computations is usually
that of the main driving shaft or that of the
engine or motor. The power is generally
transmitted to another shaft by means of
gears, pulleys, chains or other drives. The Figure 1
torque of the driving and driven shafts is
inversely proportional to the rpm, so that if
the torque of the driving shaft and rpm of Example:
both shafts are known, the torque of the Figure 1 shows a gear train, shaft (1) coupled with
driven shaft can be determined. engine developing 35 horsepower at 1200 rpm.
If the rpm of the shafts is known, the The torque of shaft (1) is therefore:
torque is figured directly from the horsepower. 63000 × 35
= 1840 in.-lbs
For instance the torque of shaft (2) is: 12000
35 × 63000 Torque of shaft (2) = 1840 × 48/16 = 5520 in.-lbs
= 5520 in.-lbs Torque of shaft (3) = 5520 × 24/12 = 11040 in.-lbs
400
In some cases, such as on auxiliary drives,
a shaft absorbs a certain amount of power
from the drive shaft. The torque of the auxil-
iary shaft is easily computed by substituting
values of ‘‘H’’ and ‘‘R’’ in the formula.
351
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Load computations
Bearing loads
Radial and thrust loads
Radial loads
A radial load is one applied at right angles to
the axis of the shaft. This load passes from Thrust
the shaft to the inner ring through the balls
to the outer ring and thence to the housing.
In some cases this condition may be reversed,
Combined radial
i.e., the radial load passing from a revolving and thrust
housing through the bearing to a stationary
shaft. A radial load is sustained by not more
than one-half of the balls in the bearing.
A radial load may be due to a single force, Radial
such as weights of shaft and other revolving
parts. More often, however, the radial load is
due to two or more components such as Thrust loads Combined radial and thrust loads
tangential forces, separating forces, overturn-
A thrust or end thrust load is one that acts One bearing of the pair sustains both radial
ing moments, etc. which are combined into
in the same direction as the axis of the shaft. and thrust loads. The resultant load is indicat-
one load acting in a single direction at right
Its effect is to push the entire circle of balls ed by the diagonal line, which also shows the
angles to the axis of the shaft and the axis of
against the race shoulder. The thrust may direction in which the shaft would move if not
the bearing.
act from left to right or from right to left, or it restrained by the bearing.
Radial loads are supported by a pair of
may alternate. In the majority of cases,
bearings which are mounted in one of two
however, the thrust acts in one direction only.
different manners: (1) straddle; (2) overhung.
Horizontal mountings always require provi-
(See following page.)
sion for thrust in both directions, although
In the straddle mounting, the radial load is
generally the thrust in one direction may be
divided in inverse proportion to the distance
only a ‘‘locating’’ or nominal thrust. The ideal
from the point of application of the load to the
mounting for a ball bearing is where one
center of the bearing. The reactions at the
bearing takes thrust in both directions. The
bearings act in a direction opposite to the
‘‘opposed’’ method of mounting allows one
direction of the load. (See Figure 2) The
bearing to take thrust in one direction, and the
straddle mounting is the most commonly
other bearing to take thrust in the opposite
used in supporting shafts.
direction.
The overhung mounting produces an
entirely dissimilar result. In this, the load is
applied at a point outside of the two bearings.
The effect of this is to produce on the nearest
bearing a load greater than the original radial
load. The load on the opposite end bearing is
generally relatively small. The load on the
bearing nearest to the point of application
acts in the same direction as that of the
applied load. The load at the other bearing
acts in the opposite direction to that of the
applied load. (See Figure 3.)
352
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Load computations
Bearing loads
Straddle mounting Overhung mounting
Radial Radial
load L load L
I II III IV
b a e d
c f
Figure 2 Figure 3
Straddle mounting Overhung mounting
L×a L×d
Radial load on bearing I = Radial load on bearing III =
c e
L×b L×f
Radial load on bearing II = Radial load on bearing IV =
c e
840 840
I II III IV
9.0 10.3
353
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Load computations
Tooth pressure
angle
12.7 15.75
6.5 6.2 12.75 3.0
Driver Driver
I II Ia IIa
13.85 17.95
354
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Load computations
Always intersects
driven gear Resultant
load
These are parallel and
Driver in opposite directions
A
Driven 1290
2170
Driver 1290
These are parallel and
A in same directions
Figure 5
355
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Load computations
Case 1: Where centers of driver, idler and Case 2: Where end view of gears is as shown in Case 3: Where end view of gears is as shown in
driven shafts lie on one line. (See Figure 6) Figure 7. Figure 8.
Direction of rotation of gears is immaterial. Note direction of rotation (compare Figure 8). Note direction of rotation (compare Figure 7).
H = Horsepower A = Tooth pressure angle A = Tooth pressure angle
Q = Torque Z = Angle (Figure 7) Z = Angle (Figure 7)
R = rpm of driver
K = 2A + Z J = 2A - Z
D = Pitch diameter of driver 2 2
Other symbols as in Case 1. Other symbols as in Case 1.
Resultant tooth load on bearings V and VI
4Q Resultant tooth load on bearings V and VI Resultant tooth load on bearings. V and VI
= or 252000 H
D RD 4 Q cos K 252000 H cos K 4 Q cos J 252000 H cos J
= or = or
D cos A RD cos A D cos A RD cos A
Example: H = 35, R =1200, D = 3 in.
Example: H = 35 R = 1200 D = 3 in. Example: H = 35 R =1200 D = 3 in.
Gear reduction = 2
Gear reduction = 2 Gear reduction = 2
252000 × 35
Resultant tooth load = Tooth pressure angle =171/2° cos 171/2° = .954 Tooth pressure angle =171/2° cos 171/2° = .954
1200 × 3
= 2450 lbs Z = 30° Z = 30°
Radial load on V = 2450 × 4.8/10 35 + 30 35 + 30
K= = 321/2° J= = 21/2°
= 1180 lbs at 600 rpm 2 2
cos 321/2° = .843 cos 21/2° = .999
Radial load on VI = 2450 – 1180
= 1270 lbs at 600 rpm 252000 × 35 × .843 252000 × 35 × .999
Resultant tooth load = Resultant tooth load =
1200 × 3 × .954 1200 × 3 × .954
Radial loads on I, II, III and IV—see page 354.
= 2170 lbs = 2570 lbs
Radial loads on I, II, III and IV—see page 354. Radial loads on I, II, III and IV—see page 354.
356
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Load computations
Z Z Z Z
Case 1: Where centers of driver, idler and Case 2: Where end view of gears is as shown Case 3: Where end view of gears is as shown
driven shafts lie on one line. (See Figure 6) in Figure 7. in Figure 8.
Direction of rotation of gears is immaterial. Note direction of rotation (compare Figure 8). Note direction of rotation (compare Figure 7).
357
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Load computations
To compute radial loads on the bearings: These centrifugal forces can be computed Centrifugal Force
1 Refer to page 353 for distribution of load from the formula shown below, noting that:
Centrifugal force = W × r × R
2
358
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Load computations
planet gear
cage r
III IV III IV
III IV
internal sun gear
gear
I II V VI I II V VI I II V VI
Element Combination
1 2 3 4 5 6
Sun gear cage internal gear Driving Driven Driving Driven Stationary Stationary
Driven Driving Stationary Stationary Driving Driven
Stationary Stationary Driven Driving Driven Driving
4Q 2Q 2Q 4Q 2Q 4Q
Single planet
s (s + p) s g (s + p) g
Resultant
2Q Q 2Q 2Q Q 2Q
radial load (L) Two planets
s (s + p) s g (s + p) g
on III and IV
4Q 2Q 4Q 4Q 2Q 4Q
Three planets
3s 3 (s + p) 3s 3g 3 (s + p) 3g
Planet about s g g s g s g s
R× × R× R× R× R× R× ×
own center (g + s) p p p p p (g + s) p
rpm*
s g
Cage R× R 0 0 R R×
(g + s) (g + s)
s (g + s)
Internal gear 0 0 R× R R× R
g g
*In computing rpm it may be more convenient to use number of teeth of gears, that is: s = number of teeth of sun gear;
p = number of teeth of planet gear; g = number of teeth of internal gear.
359
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Load computations
Rope
Pulley groove included angle 45° 2.0
D Pulley groove included angle
45°—60° 2.5
Chain 1.25
360
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Load computations
361
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Load computations
Thrust loads
Aircraft, motor boats, twist drills M = Land miles per hour of motor boat
Thrust due to propellers N = Level flight air speed of aircraft in miles per hour
H = Brake horsepower of engine n = Air speed of aircraft in climb in miles per hour
E = Propeller efficiency F = Pitch of propeller in feet
R = rpm of engine at rated horsepower
r = rpm of propeller
*recommended maximum
362
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Load computations
363
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Load computations
c f
b a e d
L L
B
I D II III D IV
x y x y
Bending stress
10.2 L a x
SB at x SB = SB = 10.2 L d x
D3 c D3 e
10.2 L b y
SB at y SB = SB = 10.2 L (d – y)
D3 c B3
10.2 L a b
Maximum stress SM SM = (at L) SM = 10.2 L a b (at IV)
D3 c D3 c
Shaft deflection
3.40 L a x (c2 – x2 – a2) 3.40 L d x (e2 – x2)
M at x M= M=
c E D4 e E D4
3.40 L b y (c2 – y2 – b2) 3.40 L y (3 d y – y2 + 2 d e)
M at y M= M=
c E D4 E B4
Let a be greater than b
1
Maximum deflection between supports MM Calculate Y1 = a + + 2B
3 3a
6.80 L b Y13 1.312 L d e2
MM = MM =
cED 4
E D4
6.80 L a2 b2 6.80 L d2 f
Deflection at load M at L M= M=
cED 4
E B4
c E D4 E B4
364
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Load computations
Thrust loads
u
v
F
F 3
2QX
Thrust = V = Mean pitch diameter of bevel drive gear in
v
inches (taken on pitch line 1/3 face length
X = See below
from pitch diameter)
Q = Engine torque in inch-pounds
A = Tooth pressure angle
G = Gear ratio
u = Pitch angle of driving gear
v = Mean pitch diameter of bevel driving gear
in inches (taken on pitch line 1/3 face No. of teeth in driving gear
Tan u =
length from pitch diameter) No. of teeth in driven gear
Value of X
Driving gear: X = tan A sin u
Driven gear: X = tan A cos u
365
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Load computations
Figure 13 Figure 14
Overhung driving gear Straddle driving gear
63000 H 63000 × 35
Example: Torque (Q) = = Thrust on driving gear (Tp) = P × X
R 1200
Horsepower (H) = 35 = 1840 in.-lbs = 1580 × .07 =110 lbs
rpm (R) =1200 Thrust on driven gear (Tg) = P × X
Tooth pressure angle =171/2° Tangential pressure (P) = 2 Q = 2 ×1840 = 1580 × .31 = 490 lbs
Mean pitch diameter (v) of driving gear = 2.33 v 2.33 Overturning moment on driving gear =
= 1580 lbs
Gear ratio = 40/9 = 4.44 Tp × v/2 110 × 1.17
Value of ‘‘X’’ (See page 365) = = 30*
Mean pitch diameter (V) of driven gear 4.7 4.7
= 2.33 × 4.44 =10.36 Driver X = tan a sin u = tan 17.5 sin 12.68
Overturning moment on driven gear =
Pitch angle of driving gear = u = .07
Tg × V/2 490 × 5.18
= tan –1 9/40 =12.68° Driven X = tan a cos u = tan 17.5 cos 12.68 = = 400**
6.4 6.4
= .31
P Tp Tg v/2 V/2
1580 110 490 1.17 5.18
Driving gear thrust = Tp = 110 pounds thrust on bearing I or Ia
Driven gear thrust = Tg = 490 pounds thrust on bearing III
366
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Product index
numerical order
Series designation Product Page
100 Self-aligning ball bearing with cylindrical bore 73
100KR Single-row 15° angular contact ball bearing 113
100KRD Single-row 15° angular contact duplex ball bearing 114
100KS Single-row deep groove ball bearing 42
100KSF Single-row deep groove ball bearing with one shield 42
100KSFF Single-row deep groove ball bearing with two shields 42
100KSFFG Single-row deep groove ball bearing with two shields and snap ring 42
100KSFG Single-row deep groove ball bearing with one shield and snap ring 42
100KSFZ Single-row deep groove ball bearing with one shield and one seal 42
100KSG Single-row deep groove ball bearing with snap ring 42
100KSZ Single-row deep groove ball bearing with one seal 42
100KSZZ Single-row deep groove ball bearing with two seals 42
100KSZZG Single-row deep groove ball bearing with two seals and snap ring 42
100M Single-row maximum capacity filling notch ball bearing 64
100MF Single-row maximum capacity filling notch ball bearing with one shield 64
100R Single-row 15° angular contact ball bearing 112
100RD Single-row 15° angular contact duplex ball bearing 112
100S Single-row deep groove ball bearing 41
11200E Self-aligning ball bearing with extended inner ring 81
11300E Self-aligning ball bearing with extended inner ring 81
1200 Self-aligning ball bearing with cylindrical bore 73
1200E Self-aligning ball bearing with cylindrical bore 73
1200EK Self-aligning ball bearing with tapered bore 76
1200K Self-aligning ball bearing with tapered bore 76
1300 Self-aligning ball bearing with cylindrical bore 74
1300E Self-aligning ball bearing with cylindrical bore 74
1300EK Self-aligning ball bearing with tapered bore 76
1300K Self-aligning ball bearing with tapered bore 76
1400 Self-aligning ball bearing with cylindrical bore 74
1800S Single-row deep groove ball bearing 39
1800SFP Single-row deep groove ball bearing with one shield 39
1800SFFP Single-row deep groove ball bearing with two shields 39
1800SZ Single-row deep groove ball bearing with one seal 39
1800SZZ Single-row deep groove ball bearing with two seals 39
1900R Single-row 15° angular contact ball bearing 110
1900RD Single-row 15° angular contact duplex ball bearing 111
1900S Single-row deep groove ball bearing 40
1900SFP Single-row deep groove ball bearing with one shield 40
1900SFFP Single-row deep groove ball bearing with two shields 40
1900SZ Single-row deep groove ball bearing with one seal 40
1900SZZ Single-row deep groove ball bearing with two seals 40
200M Single-row maximum capacity filling notch ball bearing 65
200MF Single-row maximum capacity filling notch ball bearing with one shield 65
200MFF Single-row maximum capacity filling notch ball bearing with two shields 65
200MFFG Single-row maximum capacity filling notch ball bearing with two shields and snap ring 65
200MFG Single-row maximum capacity filling notch ball bearing with one shield and snap ring 65
200MG Single-row maximum capacity filling notch ball bearing with snap ring 65
200R Single-row 15° angular contact ball bearing 115
200RD Single-row 15° angular contact duplex ball bearing 116
200S Single-row deep groove ball bearing 43
200SF Single-row deep groove ball bearing with one shield 43
367
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Product index
numerical order
Series designation Product Page
200SFF Single-row deep groove ball bearing with two shields 43
200SFFC Single-row deep groove ball bearing with two shields 46
200SFFG Single-row deep groove ball bearing with two shields and snap ring 43
200S-HYB#1 Single-row hybrid deep groove ball bearing 49
200SFF-HYB#1 Single-row hybrid deep groove ball bearing with two shields 49
200SZZ-HYB#1 Single-row hybrid deep groove ball bearing with two seals 49
200SFFX Single-row deep groove ball bearing with two shields and tapered bore 206
200SFZ Single-row deep groove ball bearing with one shield and one seal 43
200SG Single-row deep groove ball bearing with snap ring 43
200SZ Single-row deep groove ball bearing with one seal 43
200SZZ Single-row deep groove ball bearing with two seals 43
200SZZC Single-row deep groove ball bearing with two seals 46
200SZZG Single-row deep groove ball bearing with two seals and snap ring 43
200SZZX Single-row deep groove ball bearing with two seals and tapered bore 206
2200 Self-aligning ball bearing with cylindrical bore 75
2200E Self-aligning ball bearing with cylindrical bore 75
2200EK Self-aligning ball bearing with tapered bore 77
2200K Self-aligning ball bearing with tapered bore 77
22002RS1 Self-aligning ball bearing with cylindrical bore and two seals 80
22002RS1K Self-aligning ball bearing with tapered bore and two seals 80
2200E2RS1 Self-aligning ball bearing with cylindrical bore and two seals 80
2200E2RS1K Self-aligning ball bearing with tapered bore and two seals 80
2300 Self-aligning ball bearing with cylindrical bore 75
2300E Self-aligning ball bearing with cylindrical bore 75
2300EK Self-aligning ball bearing with tapered bore 77
2300E2RS1 Self-aligning ball bearing with cylindrical bore and two seals 80
2300K Self-aligning ball bearing with tapered bore 77
30 Single-row deep groove ball bearing 37
30F Single-row deep groove ball bearing with one shield 37
30FF Single-row deep groove ball bearing with two shields 37
30Z Single-row deep groove ball bearing with one seal 37
30ZZ Single-row deep groove ball bearing with two seals 37
300M Single-row maximum capacity filling notch ball bearing 66
300MF Single-row maximum capacity filling notch ball bearing with one shield 66
300MFF Single-row maximum capacity filling notch ball bearing with two shields 66
300MFFG Single-row maximum capacity filling notch ball bearing with two shields and snap ring 66
300MFG Single-row maximum capacity filling notch ball bearing with one shield and snap ring 66
300MG Single-row maximum capacity filling notch ball bearing with snap ring 66
300R Single-Row 15° angular contact ball bearing 117
300RD Single-Row 15° angular contact duplex ball bearing 118
300RDM Single-row dynamometer ball bearing 207
300S Single-row deep groove ball bearing 44
300SF Single-row deep groove ball bearing with one shield 44
300SFF Single-row deep groove ball bearing with two shields 44
300SFFC Single-row deep groove cartridge ball bearing with two shields 46
300SFFG Single-row deep groove ball bearing with two shields and snap ring 44
300SFG Single-row deep groove ball bearing with one shield and snap ring 44
300SFZ Single-row deep groove ball bearing with one shield and one seal 44
300SG Single-row deep groove ball bearing with snap ring 44
300S-HYB#1 Single row hybrid deep groove ball bearing 49
300SFF-HYB#1 Single row hybrid deep groove ball bearing with two shields 49
300SZZ-HYB#1 Single row hybrid deep groove ball bearing with two seals 49
368
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Product index
numerical order
Series designation Product Page
300SWI Single-row deep groove ball bearing with wide inner ring 231
300SZ Single-row deep groove ball bearing with one seal 44
300SZZ Single-row deep groove ball bearing with two seals 44
300SZZC Single-row deep groove cartridge ball bearing with two seals 46
300SZZG Single-row deep groove ball bearing with two seals and snap ring 44
300WI Single-row maximum capacity filling notch ball bearing with wide inner ring 231
400M Single-row maximum capacity filling notch ball bearing 67
400MF Single-row maximum capacity filling notch ball bearing with one shield 67
400MFF Single-row maximum capacity filling notch ball bearing with two shields 67
400MG Single-row maximum capacity filling notch ball bearing with snap ring 67
400R Single-row 15° angular contact ball bearing 119
400RD Single-row 15° angular contact duplex ball bearing 119
400S Single-row deep groove ball bearing 45
400SF Single-row deep groove ball bearing with one shield 45
400SFF Single-row deep groove ball bearing with two shields 45
487500 Single-row felt seal replacement with one shield, one seal and snap ring 225
488000 Single-row felt seal replacement with two seals and snap ring 225
488500 Single-row felt seal replacement with two seals and snap ring 225
5200C Double-row angular contact non-filling notch ball bearing 99
5200CF Double-row angular contact non-filling notch ball bearing with one shield 99
5200CFF Double-row angular contact non-filling notch ball bearing with two shields 99
5200CFFG Double-row angular contact non-filling notch ball bearing two shields and snap ring 99
5200CFG Double-row angular contact non-filling notch ball bearing with one shield and snap ring 99
5200CFZ Double-row angular contact non-filling notch ball bearing with one shield and one seal 99
5200CFZG Double-row angular contact non-filling notch ball bearing with one shield, one seal and snap ring 99
5200CG Double-row angular contact non-filling notch ball bearing with snap ring 99
5200CZ Double-row angular contact non-filling notch ball bearing with one seal 99
5200CZG Double-row angular contact non-filling notch ball bearing with one seal and snap ring 99
5200CZZ Double-row angular contact non-filling notch ball bearing with two seals 99
5200CZZG Double-row angular contact non-filling notch ball bearing with two seals and snap ring 99
5200C1 Double-row angular contact non-filling notch ball bearing, extra width 99
5200M Double-row angular contact filling notch ball bearing 102
5200MF Double-row angular contact filling notch ball bearing with one shield 102
5200MFF Double-row angular contact filling notch ball bearing with two shields 102
5200MFFG Double-row angular contact filling notch ball bearing with two shields and snap ring 102
5200MFG Double-row angular contact filling notch ball bearing with one shield and snap ring 102
5200MFZ Double-row angular contact filling notch ball bearing with ones shield and one seal 102
5200MFZG Double-row angular contact filling notch ball bearing with one shield, one seal and snap ring 102
5200MG Double-row angular contact filling notch ball bearing with snap ring 102
5200MZ Double-row angular contact filling notch ball bearing with one seal 102
5200MZG Double-row angular contact filling notch ball bearing with one seal and snap ring 102
5200MZZ Double-row angular contact filling notch ball bearing with two seals 102
5200MZZG Double-row angular contact filling notch ball bearing with two seals and snap ring 102
5200M1 Double-row angular contact filling notch ball bearing, extra width 102
5200SB Double-row angular contact non-filling notch ball bearing 99
5200SBKF Double-row angular contact non-filling notch ball bearing with one shield 99
5200SBKFF Double-row angular contact non-filling notch ball bearing with two shields 99
5200SBKFFG Double-row angular contact non-filling notch ball bearing with two seals and snap ring 99
5200SBKFG Double-row angular contact non-filling notch ball bearing with one shield and snap ring 99
5200SBKG Double-row angular contact non-filling notch ball bearing with snap ring 99
5200SBKZ Double-row angular contact non-filling notch ball bearing with one seal 99
369
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Product index
numerical order
Series designation Product Page
5200SBKZZ Double-row angular contact non-filling notch ball bearing with two seals 99
5300C Double-row angular contact non-filling notch ball bearing 100
5300CF Double-row angular contact non-filling notch ball bearing with one shield 100
5300CFF Double-row angular contact non-filling notch ball bearing with two shields 100
5300CFFG Double-row angular contact non-filling notch ball bearing with two shields and snap ring 100
5300CFG Double-row angular contact non-filling notch ball bearing with one shield and snap ring 100
5300CFZ Double-row angular contact non-filling notch ball bearing with one shield and one seal 100
5300CFZG Double-row angular contact non-filling notch ball bearing with one shield, one seal and snap ring 100
5300CG Double-row angular contact non-filling notch ball bearing with snap ring 100
5300CZ Double-row angular contact non-filling notch ball bearing with one seal 100
5300CZG Double-row angular contact non-filling notch ball bearing with one seal and snap ring 100
5300CZZ Double-row angular contact non-filling notch ball bearing with two seals 100
5300CZZG Double-row angular contact non-filling notch ball bearing with two seals and snap ring 100
5300C1 Double-row angular contact non-filling notch ball bearing, extra width 100
5300M Double-row angular contact filling notch ball bearing 103
5300MF Double-row angular contact filling notch ball bearing with one shield 103
5300MFF Double-row angular contact filling notch ball bearing with two shields 103
5300MFFG Double-row angular contact filling notch ball bearing with two shields and snap ring 103
5300MFG Double-row angular contact filling notch ball bearing with one shield and snap ring 103
5300MFZ Double-row angular contact filling notch ball bearing with one shield and one seal 103
5300MFZG Double-row angular contact filling notch ball bearing with one shield, one seal and snap ring 103
5300MZ Double-row angular contact filling notch ball bearing with one seal 103
5300MZZ Double-row angular contact filling notch ball bearing with two seals 103
5300MZZG Double-row angular contact filling notch ball bearing with two seals and snap ring 103
5300M1 Double-row angular contact filling notch ball bearing with, extra width 103
5300SB Double-row angular contact filling notch ball bearing 100
5300SBKF Double-row angular contact non-filling notch ball bearing with one shield 100
5300SBKFF Double-row angular contact non-filling notch ball bearing with two shields 100
5300SBKFFG Double-row angular contact non-filling notch ball bearing with two shields and snap ring 100
5300SBKFG Double-row angular contact non-filling notch ball bearing with one shield and snap ring 100
5300SBKG Double-row angular contact non-filling notch ball bearing with snap ring 100
5300SBKZ Double-row angular contact non-filling notch ball bearing with one seal 100
5300SBKZZ Double-row angular contact non-filling notch ball bearing with two seals 100
5400C Double-row angular contact non-filling notch ball bearing 101
7100 Single-row 29° angular contact ball bearing 128
7100D Single-row 29° angular contact duplex ball bearing 128
7100KR Single-row 29° angular contact ball bearing 129
7100KRD Single-row 29° angular contact duplex ball bearing 130
7200 Single-row 29° angular contact ball bearing 131
7200D Single-row 29° angular contact duplex ball bearing 132
7200P Single-row 40° angular contact ball bearing 142
7200PD Single-row 40° angular contact duplex ball bearing 143
7200PJ Single-row 40° angular contact ball bearing 154
7200PJD Single-row 40° angular contact duplex ball bearing 154
7300 Single-row 29° angular contact ball bearing 133
7300D Single-row 29° angular contact duplex ball bearing 134
7300P Single-row 40° angular contact ball bearing 144
7300PD Single-row 40° angular contact duplex ball bearing 145
7300PJ Single-row 40° angular contact ball bearing 155
7300PJD Single-row 40° angular contact duplex ball bearing 155
7400 Single-row 29° angular contact ball bearing 135
370
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Product index
numerical order
Series designation Product Page
7400D Single-row 29° angular contact duplex ball bearing 135
7400P Single-row 40° angular contact ball bearing 146
7400PD Single-row 40° angular contact duplex ball bearing 146
7400PJ Single-row 40° angular contact ball bearing 156
7400PJD Single-row 40° angular contact duplex ball bearing 156
8000 Single-row felt seal replacement with one seal 224
8200 PumPac duplex pair of angular contact ball bearing 165
8200AAB PumPac triplex set of angular contact ball bearing 167
8200BB PumPac Diamond duplex pair of angular contact ball bearing 166
8300 PumPac duplex pair of angular contact ball bearing 165
8300AAB PumPac triplex set of angular contact ball bearing 167
8300BB PumPac Diamond duplex pair of angular contact ball bearing 166
8500 Single-row felt seal replacement with one seal 224
8600 Single-row felt seal replacement with one seal 224
87000 Single-row felt seal replacement with one shield and one seal 224
87500 Single-row felt seal replacement with one shield and one seal 224
88000 Single-row felt seal replacement with two seals 225
88500 Single-row felt seal replacement with two seals 225
9100UK Single-row 29° split inner ring angular contact ball bearing 174
9200U Single-row 29° split inner ring angular contact ball bearing 174
9200UP Single-row 40° split inner ring angular contact ball bearing 177
9300U Single-row 29° split inner ring angular contact ball bearing 175
9300UP Single-row 40° split inner ring angular contact ball bearing 177
97000U Matched set of 9000UDT and 7000DT 29° angular contact ball bearing 184
97000UP Matched set of 9000UPDT and 7000 PDT 40° angular contact ball bearing 186
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Product index
alphabetical order
Series designation Product Page
AN Lock nut . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 324
H200 Adapter sleeve for tapered bore bearing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
H300 Adapter sleeve for tapered bore bearing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
H2300 Adapter sleeve for tapered bore bearing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
J078DF-J400DF Ball screw support bearings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 210
J078DFDT-J400DFDT Ball screw support bearings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 210
N Lock nut . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 324
R2-R24 Single-row deep groove ball bearing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
R2A-R4A Single-row deep groove ball bearing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
R2AF-R4AF Single-row deep groove ball bearing with one shield . . . . . . . . . . . . . . . . . . . . . . . . . . 38
R2AFF-R4AFF Single-row deep groove ball bearing with two shields . . . . . . . . . . . . . . . . . . . . . . . . . . 38
R2AZ-R4AZ Single-row deep groove ball bearing with one veal . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
R2AZZ-R4AZZ Single-row deep groove ball bearing with two seals . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
R2F-R24F Single-row deep groove ball bearing with one shield . . . . . . . . . . . . . . . . . . . . . . . . . . 38
R2FF-R24FF Single-row deep groove ball bearing with two shields . . . . . . . . . . . . . . . . . . . . . . . . . . 38
R2Z-R20Z Single-row deep groove ball bearing with one seal . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
R2ZZ-R20ZZ Single-row deep groove ball bearing with two seals . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
SNW Adapter sleeve for tapered bore bearing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206
W00 Lock washer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 324
WC87000 Single-row felt seal replacement with one shield and one seal . . . . . . . . . . . . . . . . . . . . . 224
WC87500 Single-row felt seal replacement with one shield and one seal . . . . . . . . . . . . . . . . . . . . . 224
XLS Single-row 15° angular contact ball bearing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120
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Introduction Engineering data Marathon series Made-to-order
specification tables
®
Marathon series
corrosion resistant
mounted products
and bearing units
Order publication #M660-710
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Few industries challenge bearings with a The HDi series combines corrosion At the heart of the Marathon units are
harsher operating environment than the resistance together with the strength of high-quality, corrosion-resistant insert
food and beverage industries. Perhaps no cast iron—without the problem of flaking bearings, available with MRC’s ZMaRC®
industry works as hard to meet regulations nickel plating—and are priced competitively coating or with stainless steel construction.
governing contamination. When MRC® with nickel-plated versions. (See page 3 The units’ multifunction rubber seals are
introduced the Marathon® series composite for details.) bonded to AISI 304 stainless steel for
mounted bearing units, it was possibly the For extremely challenging applications, superior corrosion resistance, and sealed-
best solution to the problems associated the XDs series provides top-of-the-line for-life lubricants are USDA compliant.
with bearing failures. corrosion resistance and the greatest
Since then, in addition to the composite housing strength available within the
units, our HDi—heavy-duty cast iron—and Marathon line. (See page 4 for details.)
XDs—extreme-duty cast stainless steel—
have been introduced to more thoroughly
meet the needs of the industry.
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The Marathon series’ composite housing • A nylon-filled housing base enables the
resists citric acids, cooking fats and most unit to meet flush with its mounting
chemicals used in food and beverage process- surface. Flush surface-to-surface mount-
ing. It is constructed of a thermoplastic ing
composite material that can be up to 61% eliminates gaps—potential areas for
lighter than cast iron housings. Its spherical contaminants to collect.
bore accommodates the insert bearing’s • 300 series stainless steel bolt hole inserts
spherical outer surface, enabling the unit to provide added strength to each housing
fully compensate for initial bearing seating foot and prevent corrosion.
misalignment. • Marathon series units are available in the
Plus, the housing is loaded with design and following housing designs to meet the
performance advantages: needs of most food and beverage process-
• Steel coils embedded in the housing ing applications:
contribute to the housing’s fracture – pillow block
strength. Radial breaking load is far greater – two- or four-bolt flange
than the static load rating of the bearing. – tapped base
Marathon series housings have possibly the – three-bolt bracket flange
highest fracture strength of any composite – narrow and wide slot take-up
unit available. – low backing height pillow block
– low profile two- and three-bolt flange
– four-bolt piloted flange
– hanger
Steel coils embedded in
SKF composite housings
provide additional fracture
strength
Choice of zinc-coated
or stainless steel insert
bearing
Insert bearing is
prelubricated with Light gray poly-
NSF approved grease amide compos-
ite housing re-
sists corrosion
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Extremely challenging applications require an recesses to trap debris and bacteria; the MRC XDs extreme duty
extremely durable unit—the XDs units. These exposed surfaces of the housings have no
machined stainless steel
housings are AISI 300 series cast stainless unnecessary crevices or pockets; and the
steel with MRC’s proven stainless steel insert smooth finish minimizes material trapped on
mounted units
bearings. the surface allowing a more thorough MRC can also offer additional housing styles
The extra strength and toughness of the cleaning. in machined stainless steel. Made of AISI 300
cast stainless housings are beneficial where Like the other members of the Marathon series stainless steel, these units are
loads are very heavy or where shock loads are family, the XDs series incorporates the proven machined from solid stainless steel plate
possible. Also, the safety factor inherent in the insert bearing design and patented sealing rather than cast. These are especially suited
cast steel housing is desirable in arrangement (see page 5), and are also for applications where surface roughness is
applications where housing failure could greased for life and maintenance free. critical, such as instances where chronic
result in injury. Housing styles available include: bacterial problems have existed. As with the
While composite and plated housings are – pillow block cast housings, there are no unnecessary
resistant to most of the chemicals in use – two- and four-bolt flange recesses or cavities to trap debris.
today, these stainless units are not affected by – tapped base And like the cast stainless units, MRC’s
the strong concentrations of chlorine, hydro- excellent stainless steel insert bearings are
gen peroxide and other chemicals sometimes used.
used in washdown procedures
The XDs cast stainless housings were
designed especially for use in food and bever-
age applications. The bases have no
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Insert bearings
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End covers
ECWM cover
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Introduction Engineering data Marathon series Made-to-order
specification tables
Made-To-Order
Solutions from MRC
Order publication #M200-111
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Heat treatment
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Capabilities
Non-contact measurement
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® MRC, Marathon, PumPac, NoWear, INSOCOAT, and ZMaRC are registered trademarks of SKF USA Inc.
Telon and Viton are trademarks of their respective owners.
The contents of this publication are the copyright of the publisher and may not be reproduced (even extracts) unless prior written permission is granted.
Every care has been taken to ensure the accuracy of the information contained in this publication but no liability can be accepted for any loss or damage whether
direct, indirect or consequential arising out of use of the information contained herein.
© 2005 SKF USA Inc. Publication M190-730 (5M/CW 7/2015) 8th Edition Version 7/2015 Printed in U.S.A.