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-----------------Koyo
Needle roller bearings Needle roller and cage assemblies
Needle roller bearings are small in sectional height, there-

Fí
Bore diameter of a needle roller and cage assembly
fore useful in making machinery smaller and lighter. This type 1 Metric series 3 - 11 O mm 1
of bearing is used in a wide range of machinery, such as auto- 1lnch series 9.525 -127.000 mml
mobiles, motor cycles, electric machines, machine tools, aero-
Drawn cup needle roller bearings
space and office equipment.
*Compact, highly rigid and superior in load carrying perfor- F9

1Metric series Roller set bore dia. 3 - 60 mm 1
mance, compared with other types of bearings.
* Excellent for carrying oscillating loads; contains many small 1lnch series Roller set bore dia. 3.175 -69.850 mm 1
diameter rollers. Heavy-duty needle roller bearings
*Widely employed in stud type and yoke type track rollers

used as guide rollers in cam mechanisms or linear motion
f9
1Metric series Roller set bore dia. 5 - 175 mm 1
units. Allowable loads of these truck rollers are examined
with load ratings different form those of general bearings.
1inch series Roller set bore dia. 15.875 - 88.900 mm 1
For detailed information, contact us. Needle roller thrust bearings
Also used in miniature one-way clutches in the clutch mech-
anisms of office equipment, such as copying machines.
~ ~1
The catalog also covers bearings employing rollers other 1Metric series Bore dia. 6-160mml
than those prescribed in JIS B 1506 "rollers for roller llnch series Bore dia. 6.350-104.780 mm 1
bearings".
Cylindrical roller thrust bearings
1
6~ 1
1
1
1 Bore dia. 15 - 90 mm 1
Combined needle roller bearings
1
~ ~mm 1
Roller set bore dia. 10 - 70
Inner rings
Fi
IMetric series Bore dia. 5 -180 mml
1lnch series Bore dia. 9.525 - 76.2 mm 1
Miniature one-way clutches

For details, refer to JTEKT sepa- (Refer.)
rate catalog "Needle Roller Bearings"
(CAT. NO. B2020E)
1 Roller set bore dia. 4 - 12 mm 1
8363

Table 1 (1) Types of needle roller bearing

(1) Radial Needle Roller and Cage Assemblies
Metric Series lnch Series
Single-Row, Double-Row Single-Row
nnnmn n
K, RF, RFN
Metric Series
RS, R. RP RV, V, VS K ... ZW , WRF WR,WRS WRP
n WJ, WJC
Assemblies for Crank Pin End Applications Assemblies for Wrist Pin End Applications
K.BE BE, GS VE, VS P

n1~11
K.SE RP RE, UR P
(2) Drawn Cup Needle Roller Bearings

Metric Series (Caged)
Open Ends, Closed One End Sealed
r,r, n
BKM,
BSM, HK
BK BTM,BHTM
FTI FTI rr1
HK RS BKRS BKM UU,
BHKM UU,
HK .2RS
(Full Complement)
Open Ends, Closed One End
f9F,F7
BM, BHM,
DL
DLF YM
lnch Series (Caged}

Open Ends, Closed One End Sealed
J,JH MJ-1,MJH-1 BT
FTIFTI
JT JTT
(Full Complement)
Open Ends, Closed One End Extra-Precision
B,BH M-1, MH-1 y GB,GBH
lnner Rings
lnch Series
IRA,
IR (4 digit or less)
8364

-----------------Koyo
The needle roller bearings explained in this catalog are indicated in blue.
For additional details on Koyo's Needle Roller Bearing product line please refer to Catalog B2020E.
(3) Drawn Cup Roller Clutches

Metric Series
Clutches Clutch and Bearing Assemblies
r=1 Fl r---------,
FC FCS 1WC
ílMMílíl ílíl
FCB
11
FCBL-K
FCL-K EWC FCBN-K
FC-K
lnch Series
Ciutches Clutch and Bearing Assemblies
Fi RC
RC-FS
RCB
RCB-FS
1n
(4) Heavy-Duty Needle Roller Bearings
Metric Series (Caged, With lnner Ring)
Unsealed Sealed Without
Flanges
NKJ NQI NKJ.NKJS NA69 NA49RS NA49.2RS NAO +SNSH

NA48,49,69
(Without lnner Ring)
nnn mr,
Unsealed
NK NQ NK.NKS RNA69 NKTN

RNA48.49,69
Sealed Without Flanges
nn
RNA49RS RNA49.2RS
FHFim
RNAO +SNSH RNAO
(Full Complement) lnch Series (Without lnner Ring) lnner Rings

With lnner Without Unsealed Sealed lnch
Ring lnner Ring Series
NA RNA HJ HJ-RS HJ-.2RS

rm IR
8365

Table 1 (2) Types of needle roller bearing

(5) Track Rollers
[Stud-Type]
Metric Series (Caged)
Unsealed Sealed
KR
~ i
•
~il
KR.DZ
1
'
C:::,:!,,!c::: =t==:
KR .2RS KR.DZ.2RS
(Full Complement)
Unsealed Standard Series
Eccentric
KRV KRV.DZ GC16-90/GCL 16-90

~ GCR, GCRL
Small Series Light Series Cylindrical Rollers

Eccentric
~
'
. --- - -
GC10-15/GCL10-15 GCU,GCUL GCUR,GCURL NUKR NUKR.DZ
[Yoke-Type]
Metric Series (Caged, Without End Washers)
Unsealed, Without lnner Ring Unsealed, With lnner Ring Sealed, Without lnner Ring
RSTO
F1
RSTO.DZ STO
F9
STO.DZ
Fffl
RNA22.2RS
fl
RNA22.2RS.DZ
(Caged, Without End Washers) (Caged, With End Washers)

Sealed, With lnner Ring With lnner Ring
NA22.2RS NA22.2RS.DZ NATR NATR.DZ STO.ZZ STO.ZZ.DZ
(Full Complement, With End Washers) - - - ~

(Full Complement, With Metal Seals}
Small Non- Without With lnner Ring, Non-Separable, Light Series,
Series Separable lnner Ring Cylindrical Rollers Heavy Series
Unsealed
fa¡
FP,FPL
M
FG,FGL
A
RNA ... B6
FA FA
NUTR NUTR.DZ FGU,FGUL
RNAB
RNAL
8366

-----------------Koyo
(6) Thrust Bearings, Assemblies, Washers
Metric Series
Thrust Needle Roller and Cage Assemblies and
Thrust Washers
~ Bearing
unruzed Assemblies
Thrus ~ UOtized ThruS
Bearing Assemblies
~ Unitized Thrus
Bearing Assemblies
m:::::::::JI 1c:::JJ
]_
AS,
ij a
LS, WS.811,
(Double-Washer) (Single-Washer) (Single-Washer)
FNT, AXK , TP, TV WF WSF GS.811 FNTKF, TPK JL, TVK JL FNTK, TPK J, TVK J FNTF, TPK L, TVK L
Unitized Thrust Bearing Assembly Thrust Cylindrical Roller and Cage Needle Rollers, e:::i Unitized
AX Series Assemblies and Thrust Washers Cylindrical Rollers º' Cylindrical Rollers
E)
r
AX
Thin
íl
AX
Thick
CP
Thin
íl
CP
Thick
11
1
1~ il
1
11
1
1 1I 811. 812 Series
11
1 1
110 I K.811,K.812
G i:
6
AXZ,ARZ
:1 a
rl
(l,
E,
AR
1~
lnch Series
Thrust Needle Roller and Cage Thrust Cylindrical Roller Cylindrical Roller
Assemblies and Thrust Washers and Cage Assembly Thrust Bearing
ID lii 10 bl liil 001 lía DI]

b !i 1
1
1 i a
1 1 1 1
NTA NTH NTHA
(7) Combined Needle Roller Bearings

Metric Series (Heavy-Duty, Without lnner Ring)
Ball Thrust Series Cylindrical Roller Thrust Series Needle Roller and Cylindrical Roller Thrust Series
Separable Non-Separable Non-Separable Separable Non-Separable No Washer No Washer
ffiR NAXK
H1r,
NAXK.Z
MRAXZ500
ITTA ~
NAXR NAXR.Z
~ RAX500
ífl RAX400
(Drawn Cup, Without lnner Ring)

Needle Roller Thrust Series
Open Ends Closed One End
t=, t=,¡
RAX700 RAXF700
(8) Needle Rollers, Accessories

lnner Rings (Caged) (Full Complement)
<Metric Series>
For Drawn Cup Needle Roller Bearings, Heavy-Duty For Drawn Cup Needle Roller Bearings
JR.IM .. P
11 11
JR.JS1 JRZ.JS1 IM IMC IM ... R6
End Washer
For Machine-Tool Quality For RNA Bearings For Metric Series NAO and RNAO Bearings
Precision-Combined Bearings (With Oil Holes, Extra Wide}
IM IMC IM ... R6 BIC BICG BIG,BIK,BIP SNSH

f
8367

[Tolerances of needle roller bearings]
Table 2 Tolerance grades of needle rollers (JIS B 1506) Table 4 Metric series drawn cup needle roller
bearing gauge specifications (caged)
Unit: mm
Nominal Needle roller complement

bore Ring gage ll bore diameter
diameter max. min.
Unit: µm 3 6.484 3.024 3.006
Single l) Deviation 1 l Gauge lot l) 4 7.984 4.028 4.010
plane from diameter 5 8.984 5.028 5.010
diameter circular variation
Class 6 9.984 6.028 6.010
variation form
Vnwp 3Rw VnwL 7 10.980 7.031 7.013
max. max. max.
8 11.980 8.031 8.013
2 1 1 2
9 12.980 9.031 9.013
3 1.5 1.5 3
10 13.980 10.031 10.013
5 2 2.5 5
12 15.980 12.034 12.016
Actual 2 l 12 17.980 12.034 12.016
length Recommended gauge 13 18.976 13.034 13.016
Class
deviation s 14 19.976 14.034 14.016
3Lws
15 20.976 15.034 15.016
0/- 2, - 1/- 3, - 2/- 4,
2 - 3/- 5, - 4/- 6, - 5/- 7, 16 21.976 16.034 16.016
-6/-8, -7/-9, -8/-10 17 22.976 17.034 17.016
h 13 0/- 3, - 1.5/- 4.5, - 3/- 6,
3 18 23.976 18.034 18.016
- 4.5/- 7.5, - 6/- 9,- 7/-10
20 25.976 20.041 20.020
5 0/- 5, - 3/- 8, - 5/- 10
22 27.976 22.041 22.020
[Notes] 1) Values apply only at middle of roller length. 25 31.972 25.041 25.020
2) Applied tolerance differs according to Lw 28 34.972 28.041 28.020
division.
[Remark] Along the entire length of the roller, all the 30 36.972 30.041 30.020
actually measured diameters should not 35 41.972 35.050 35.025
exceed the actual maximum diameter at the
40 46.972 40.050 40.025
middle of the entire length of the roller by the
lengths shown below. 45 51.967 45.050 45.025
a) Class 2 : 0.5 µm b) Class 3 : 0.8 µm 50 57.967 50.050 50.025
c) Class 5 : 1 µm
60 67.967 60.060 60.030
Table 3 Tolerance of needle roller cage width B [Note] 1) The ring gage sizes are in accordance with
(JIS B 1536-3) ISO N6 lower limit.
i I. b • I i
B deviation (mm)
Bearing type
upper I lower
K, K... zw - 0.2 -O.SS
WJ, WJC o -0.38
[Remark] Values in ltalics are prescribed in JTEKT

standards.
[Reference] The guide width (b) should satisfy the
equation : b = B + (H11)
8368

-----------------Koyo
Table 5 Inch series drawn cup needle roller Table 6 Metric series caged needle roller
bearing gauge specifications (caged) cornplement bore diarneter for
Unit: mm bearings without inner rings
Unit: mm
Needle roller
Bearing Nominal Nominal Ring complement
bore shaft bore Fw 3Fwmin.
gage bore diameter
designation diameter diameter over 1
up to max. 1
min.
max. min.
2 3.175 3.175 6.363 3.218 3.195 3 6 +0.018 + 0.010
2 1/2 3.970 3.967 7.155 4.013 3.99 6 10 +0.022 + 0.013
3 4.763 4.763 8.730 4.806 4.783 10 18 +0.027 + 0.016
4 6.350 6.350 11.125 6.411 6.388
5 7.938 7.938 12.713 7.998 7.976 18 30 +0.033 +0.020
H5 H 7.938 7.938 14.300 7.998 7.976 30 50 +0.041 + 0.025
6 9.525 9.525 14.300 9.586 9.563 50 80 +0.049 +0.030
H6 H 9.525 9.525 15.888 9.586 9.563
7 11.113 11.113 15.888 11.174 11.151 80 120 +0.058 + 0.036
H7 H11.113 11.113 17.475 11.174 11.151 120 180 +0.068 + 0.043
8 12.700 12.700 17.475 12.761 12.738 180 250 +0.079 +0.050
H8 H12.700 12.700 19.063 12.761 12.738
9 14.288 14.288 19.063 14.349 14.326 250 315 +0.088 + 0.056
H9 H 14.288 14.288 20.650 14.349 14.326 315 400 +0.098 +0.062
10 15.875 15.875 20.650 14.349 15.913
H10 H 15.875 15.875 22.238 14.349 15.913
11 17.463 17.463 22.238 17.524 17.501
H 11 H 17.463 17.463 23.825 17.524 17.501
12 19.050 19.050 25.387 19.086 19.063
H 12 H 19.050 19.050 26.975 19.086 19.063
13 20.638 20.638 26.975 20.673 20.650
H13 H 20.638 20.638 28.562 20.673 20.650
14 22.225 22.225 28.562 22.261 22.238
H14 H 22.225 22.225 30.150 22.261 22.238
15 23.813 23.813 30.150 23.848 23.825
16 25.400 25.400 31.737 25.436 25.413
H16 H 25.400 25.400 33.325 25.436 25.413
17 26.988 26.988 33.325 27.023 27.000
18 28.575 28.575 34.912 28.611 28.588
H18 H 28.575 28.575 38.087 28.611 28.588
19 30.163 30.163 38.087 30.198 30.175
20 31.750 31.750 38.087 31.786 31.763
H 20 H31.750 31.750 41.262 31.786 31.763
21 33.338 33.338 41.262 33.376 33.350
22 34.925 34.925 41.262 34.963 34.938
H 22 H 34.925 34.925 44.437 34.963 34.938
24 38.100 38.100 47.612 38.141 38.113
26 41.275 41.275 50.787 41.316 41.288
28 44.450 44.450 53.962 44.493 44.463
30 47.625 47.625 57.137 47.668 47.638
32 50.800 50.800 60.312 50.846 50.815
H 33 H 52.388 52.388 64.280 52.436 52.400
34 53.975 53.975 63.487 54.026 53.990
36 57.150 57.150 66.662 57.201 57.165
42 66.675 66.675 76.187 66.736 66.700
44 69.850 69.850 79.362 69.911 69.875
56 88.900 88.900 101.587 88.961 88.925
88 139.700 139.700 152.375 139.774 139.725
[Remark] Bearing bore should be checked with "go"
and "no go" plug gages. The "go" gage size
is the mínimum needle roller complement
bore diameter. The "no go" gage size is
larger than the maximum needle roller
complement bore diameter by 0.0001 in.
8369

Table 7 Metric series heavy-duty needle roller bearing tolerances = JIS B 1415 (ISO 492) =
(1) Inner ring
Nominal bore Single plane mean bore diameter deviation Single plane bore Mean bore
diameter diameter variation Vasp diameter variation
d 3 dmp Diameter series 9 Vamp
(mm) class O class 6 class 5 class O class 6 class 5 class O class 6 class 5
over I up to upper I lower upper I lower upper I lower max. max.
2.5 10 o - 8 o - 7 o - 5 10 9 5 6 5 3
10 18 o - 8 o - 7 o - 5 10 9 5 6 5 3
18 30 o -10 o - 8 o - 6 13 10 6 8 6 3
30 50 o -12 o -10 o - 8 15 13 8 9 8 4
50 80 o -15 o -12 o - 9 19 15 9 11 9 5
80 120 o -20 o -15 o -10 25 19 10 15 11 5
120 150 o -25 o -18 o -13 31 23 13 19 14 7
150 180 o -25 o -18 o -13 31 23 13 19 14 7
180 250 o -30 o -22 o -15 38 28 15 23 17 8
Sd : Perpendicularity of inner ring face with respect to the bore
(2) Outer ring
Nominal outside Single plane mean outside diameter deviation Single plane outside Mean outside
diameter diameter variation Vnsp diameter variation
D 3 Dmp Diameter series 9 Vnmp
(mm) class 0 > class 6 ) class 5 class 0 > class 61 ) class 5
class O class 6 class 5 1 1 1
over I up to upper I lower upper I lower upper I lower max. max.

6 18 o - 8 o - 7 o - 5 10 9 5 6 5 3
18 30 o - 9 o - 8 o - 6 12 10 6 7 6 3
30 50 o -11 o - 9 o - 7 14 11 7 8 7 4
50 80 o -13 o -11 o - 9 16 14 9 10 8 5
80 120 o -15 o -13 o -10 19 16 10 11 10 5
120 150 o -18 o -15 o -11 23 19 11 14 11 6
150 180 o -25 o -18 o -13 31 23 13 19 14 7
180 250 o -30 o -20 o -15 38 25 15 23 15 8
250 315 o -35 o -25 o -18 44 31 18 26 19 9
[Note] 1) Shall be applied when locating snap ring is not fitted.

Sn : Perpendicularity of outer ring outside surface with respect to the face
3 es : Deviation of a single outer ring width
8370

-----------------Koyo
Unit: µm
Radial runout of assembled Single inner ring width deviation lnner ring width variation
bearing inner ring
Kia Sd 3 Bs VBs
class O class 6 class 5 class 5 class O class 6 class 5 class O class 6 class 5
max. max. upper I lower upper I lower upper I lower max.
10 6 4 7 o -120 o -120 o - 40 15 15 5
10 7 4 7 o -120 o -120 o - 80 20 20 5
13 8 4 8 o -120 o -120 o -120 20 20 5
15 10 5 8 o -120 o -120 o -120 20 20 5
20 10 5 8 o -150 o -150 o -150 25 25 6
25 13 6 9 o -200 o -200 o -200 25 25 7
30 18 8 10 o -250 o -250 o -250 30 30 8
30 18 8 10 o -250 o -250 o -250 30 30 8
40 20 10 11 o -300 o -300 o -300 30 30 10
Unit: µm
Radial runout of assembled Ring width variation

bearing outer ring
Kea Sn 3 Cs Ves
class O class 6 class 5 class 5 class O, 6, 5 class OIclass 6 class 5

max. max. upper I lower max.
15 8 5 8 5
15 9 6 8 5
20 10 7 8 5
Shall conform Shall conform
25 13 8 8 6
to the tolerance to the tolerance
35 18 10 9 8
3 Bs on d of the VBs on d of the
40 20 11 10 same bearing same bearing 8
45 23 13 10 8
50 25 15 11 10
60 30 18 13 11
B 371

Table 8 Inch series heavy-duty needle roller bearing (HJ outer ring)
(1) Outside diarneter and width tolerances Unit : mm (2) Roller complement bore tolerance Unit : mm
Nominal outside Single plane mean Deviaiton from Nominal roller complement Deviaiton from nominal of the
diameter outside diameter nominal of width bore diameter smallest single diameter of the
D deviation (Dmp) ll (C) Fw roller complement bore (Fm) ll
over 1
up to max. min. max. min. over 1
up to max. min.
19.050 50.800 +O -0.013 12.700 15.875 +0.043 +0.020
50.800 82.550 +O -0.015 +O -0.013 15.875 28.575 +0.046 +0.023
82.550 120.650 +O -0.020 28.575 41.275 +0.048 +0.025
[Note] 1) "Single mean diameter" is defined as the 41.275 47.625 +0.050 +0.025
mean diameter in a single radial plane. 47.625 69.850 +0.053 +0.028
69.850 76.200 +0.058 +0.028
76.200 101.600 +0.060 +0.030
[Note] 1) "The smallest single diameter of the roller
complement bore" is defined as the diameter of
the cylinder which, when used as a bearing inner
ring, results in zero radial interna! clearance in the
bearing on at least one diameter.
Table 9 Inch series heavy-duty needle roller bearing (IR inner ring)
(1) Bore and width tolerances Unit : mm (2) Outside diameter tolerance Unit : mm
Nominal bore Single plane mean Deviaiton from Nominal outside diameter Single plane mean outside
diameter bore diameter nominal of width F diameter deviation (Fmp) ll
d deviation (dmp) ll (B)
over 1
up to max. min.
over 1
up to max. min. max. min.
12.700 15.875 -0.013 -0.023
7.938 19.050 +O -0.010
15.875 25.400 -0.018 -0.031
19.050 50.800 +O -0.013 +0.25 +0.12
25.400 28.575 -0.023 -0.036
50.800 82.550 +O -0.015
28.575 34.925 -0.023 -0.036
[Note] 1) "Single mean diameter" is defined as the
mean diameter in a single radial plane.
34.925 47.625 -0.025 -0.038
47.625 76.200 -0.028 -0.040
76.200 95.250 -0.033 -0.046
[Note] 1) "Single mean diameter" is defined as the
mean diameter in a single radial plane.
Table 10 Tolerance for metric series thrust needle roller and cage assemblies (type code: FNT)
(1) Bore diameter Unit : mm (2) Outside diameter Unit : mm
Nominal bore diameter Smallest single bore Nominal outside diameter Largest single outside
Del diameter deviation (Ell) De diameter deviation (c12)
over 1
up to upper 1
lower over 1
up to upper 1
lower
3 6 +0.095 +0.020 18 30 -0.110 -0.320
6 10 +0.115 +0.025 30 40 -0.120 -0.370
10 18 +0.142 +0.032 40 50 -0.130 -0.380
18 30 +0.170 +0.040 50 65 -0.140 -0.440
30 50 +0.210 +0.050 65 80 -0.150 -0.450
50 80 +0.250 +0.060 80 100 -0.170 -0.520
80 120 +0.292 +0.072 100 120 -0.180 -0.530
120 180 +0.335 +0.085 120 140 -0.200 -0.600
140 160 -0.210 -0.610
160 180 -0.230 -0.630
180 200 -0.240 -0.700
8372

-----------------Koyo
Table 11 Tolerance for metric series thrust needle roller and cage assemblies (type code: AXK) 1
(1) Bore diameter Unit: mm (2) Outside diameter Unit: mm
Del diameter deviation (E12) De diameter deviation (c13)
over 1
up to upper 1
lower over 1
up to upper 1
lower
3 6 +0.140 +0.020 18 30 -0.110 -0.440
6 10 +0.175 +0.025 30 40 -0.120 -0.510
10 18 +0.212 +0.032 40 50 -0.130 -0.520
18 30 +0.250 +0.040 50 65 -0.140 -0.600
30 50 +0.300 +0.050 65 80 -0.150 -0.610
50 80 +0.360 +0.060 80 100 -0.170 -0.710
80 120 +0.422 +0.072 100 120 -0.180 -0.720
120 180 +0.485 +0.085 120 140 -0.200 -0.830
140 160 -0.210 -0.840
160 180 -0.230 -0.860
180 200 -0.240 -0.960
Table 12 Tolerance for metric series thrust washers (type code : AS series)
d diameter deviation (E13) d1 diameter deviation (e13)
over 1
up to upper 1
lower over 1
up to upper 1
lower
3 6 +0.200 +0.020 18 30 -0.040 -0.370
6 10 +0.245 +0.025 30 50 -0.050 -0.440
10 18 +0.302 +0.032 50 80 -0.060 -0.520
18 30 +0.370 +0.040 80 120 -0.072 -0.612
30 50 +0.440 +0.050 120 180 -0.085 -0.715
50 80 +0.520 +0.060 180 250 -0.100 -0.820
80 120 +0.612 +0.072
120 180 +0.715 +0.085
Table 13 Tolerance for metric series thrust washers (type code: LS series)
d diameter deviation (E12) d1 diameter deviation (a12)
over 1
up to upper 1
lower over 1
up to upper 1
lower
3 6 +0.140 +0.020 18 30 -0.300 -0.510
6 10 +0.175 +0.025 30 40 -0.310 -0.560
10 18 +0.212 +0.032 40 50 -0.320 -0.570
18 30 +0.250 +0.040 50 65 -0.340 -0.640
30 50 +0.300 +0.050 65 80 -0.360 -0.660
50 80 +0.360 +0.060 80 100 -0.380 -0.730
80 120 +0.422 +0.072 100 120 -0.410 -0.760
120 180 +0.485 +0.085 120 140 -0.460 -0.860
140 160 -0.520 -0.920
160 180 -0.580 -0.980
180 200 -0.660 -1.120
[Remark] Thickness tolerances far series LS heavy thrust washers are given in bearing tables.
8373

Table 14 Tolerance for metric series shaft piloted washers of thrust bearings
(type code: WS.811 and WS.812)
Unit: mm
Nominal Tolerance class PO Tolerance class PG Tolerance class P5

bore diameter Deviations Variation Deviations Variation Deviations Variation
d 3 dmp Vasp s;1) 3 dmp Vasp s;1) 3 dmp Vasp s;1)
over 1
up to upper I lower max. min. upper I lower max. min. upper I lower max. min.
18 +O -0.008 0.006 0.010 +O -0.008 0.006 0.005 +O -0.008 0.006 0.003
18 30 +O -0.010 0.008 0.010 +O -0.010 0.008 0.005 +O -0.010 0.008 0.003
30 50 +O -0.012 0.009 0.010 +O -0.012 0.009 0.006 +O -0.012 0.009 0.003
50 80 +O -0.015 0.011 0.010 +O -0.015 0.011 0.007 +O -0.015 0.011 0.004
80 120 +O -0.020 0.015 0.015 +O -0.020 0.015 0.008 +O -0.020 0.015 0.004
120 180 +O -0.025 0.019 0.015 +O -0.025 0.019 0.009 +O -0.025 0.019 0.005
180 250 +O -0.030 0.023 0.020 +O -0.030 0.023 0.010 +O -0.030 0.023 0.005
250 315 +O -0.035 0.026 0.025 +O -0.035 0.026 0.013 +O -0.035 0.026 0.007
315 400 +O -0.040 0.030 0.030 +O -0.040 0.030 0.015 +O -0.040 0.030 0.007
400 500 +O -0.045 0.034 0.030 +O -0.045 0.034 0.018 +O -0.045 0.034 0.009
[Note] 1) The values of the wall thickness variation Se, for the housing piloted washer are identical to Si for the
shaft - piloted washers.
3 dmp : Single plane mean bore diameter deviation
Vasp : Single plane bore diameter variation
Si : Wall thickness variation
Table 15 Tolerance for metric series housing piloted washers of thrust bearings
(type code: GS.811 and GS.812)
Unit: mm
Nominal outside Tolerance class PO Tolerance class PG Tolerance class P5

diameter Deviations Variation Deviations Variation Deviations Variation
D 3 Dmp Vnsp 3 Dmp Vnsp 3 Dmp Vnsp
over 1
up to upper 1
lower max. upper 1
lower max. upper 1
lower max.
30 +O -0.013 0.010 +O -0.013 0.010 +O -0.013 0.010
30 50 +O -0.016 0.012 +O -0.016 0.012 +O -0.016 0.012
50 80 +O -0.019 0.014 +O -0.019 0.014 +O -0.019 0.014
80 120 +O -0.022 0.017 +O -0.022 0.017 +O -0.022 0.017
120 180 +O -0.025 0.019 +O -0.025 0.019 +O -0.025 0.019
180 250 +O -0.030 0.023 +O -0.030 0.023 +O -0.030 0.023
250 315 +O -0.035 0.026 +O -0.035 0.026 +O -0.035 0.026
315 400 +O -0.040 0.030 +O -0.040 0.030 +O -0.040 0.030
400 500 +O -0.045 0.034 +O -0.045 0.034 +O -0.045 0.034
[Note] 3 Dmp : Single plane mean outside diameter deviation
Vnsp : Single plane outside diameter variation
8374

-----------------Koyo
Table 16 Tolerance for inch series Table 18 Tolerance for combined
thrust needle roller and cage needle roller bearings (thrust
assemblies (type code: NTA) component thickness (C 1 ))
Unit: mm Unit: mm
Needle roller Deviations Tolerance

Bearing series
diameter Bore diameter Outside diameter upper I lower
(nominal) Del De NAXK, NAXK.Z
Dw +O -0.200
upper 1 lower upper 1 lower NAXR, NAXR.Z
1.981 +0.178 +0.051 -0.254 -0.508 RAXZ +0.100 -0.110
3.175 +0.254 +0.051 -0.254 -0.635
Table 17 Tolerance for inch series

thrust washers
(type code: TRA, TRB, etc.)
(1) Bore diameter Unit: mm
Nominal bore diameter

Deviations
d
over I up to upper I lower
6.000 57 .200 +0.300 +O.OSO
57.200 133.400 +0.430 +O.OSO
(2) Outside diameter Unit: mm
Nominal Outside diameter

Deviations
d1
over I up to upper I lower
6.000 133.400 -0.025 -0.760
8375

[Recommended fit and interna} clearance]

Table 19 Recommended fit for metric series radial Table 20 Recommended fit for metric series
needle roller and cage assemblies drawn cup needle roller bearings
Tolerance zone class Shaft fit Housing fit
Condition Bearing (recommended (recommended
Shaft Housing Operating condition
type interna! radial interna! radial
Radial clearance Fw ² 50mm Fw > 50mm bore clearances) clearances)
Smaller than One piece heavy
j5 h5 section steel or cast h5 {h6) N6 {N7)
normal
iron housing
Normal h5 g5 G6
Housing material of
h5 {h6) R6 {R7)
Larger than HK, BK low rigidity
g6 f6
normal (caged) Outer ring rotation
(one piece heavy
f5 (f6) R6 {R7)
section steel or cast
iron housing)
1)
Oscillating Motion j5 06)
[Note] 1) Tolerance dependent on housing design.

[Remark] When the bearing is provided with an inner
ring, the shaft tolerance class h5 should be
selected.
Table 21 Recommended fit for inch series drawn cup needle roller bearings
Bearing Shaft Housing
design Classification max. min. Classification max. min.
-0.008 mm
Fw ² 5.556 mm {7/32") o (-0.0003") +0.013 mm
D ² 7 .144 mm {9/32") o
5.556 mm {7/32") < Fw ² -0.013 mm {-0.0005")
50.006 mm {1 31/32")
o (-0.0005")
J, JTT ll
50.006 mm (1 31/32") < Fw -0.015 mm
² 119.856 mm (4 23/32")
o (-0.0006") +0.013 mm +0.013 mm
7 .144 mm {9/32") < D
119.856 mm {4 23/32") < Fw -0.018 mm (-0.0005") (-0.0005")
² 180.181 mm (7 3/32")
o {-0.0007")
[Note] 1) Special fits

When D = 8. 733 mm {0.3438"} : housing fit : -0.003 mm (-0.0001 "} maximum, -0.015 mm (-0.0006"} mínimum
When D = 22.212 mm (0.8745"): housing fit: +0.025 mm (+0.0010") maximum, O mm (O") mínimum
When D = 152.400 mm (6.0000") : housing fit : +0.025 mm (+0.001 O") maximum, -0.025 mm (-0.001 O") mínimum
Table 22 Recommended fit for metric series heavy-duty needle roller bearings
Without inner ring
Nominal housing ISO tolerance zone Nominal shaft ISO tolerance zone
bore diameter far housing diameter F far shaft
Rotation conditions
D shaft
(mm) caged full (mm) caged full
Load stationary relative to housing H7 {J7) J6 h6 {h5) h5

all all
General work with larger clearance K7 - g6 -
diameters diameters
Load rotates relative to housing N7 M6 f6 g5
[Remark] Care should be taken that the selected bearing interna! clearance is appropriate far the operating
conditions.
8376

-----------------Koyo
Table 23 Recommended fit for metric series needle roller thrust bearings
Shaft tolerance Housing tolerance

Bearing components
(shaft piloting) (housing piloting)
Needle roller and cage assembly.
h8 H8
Types: AXK, FNT
Thin thrust washer.

h8 H8
Type: AS
Heavy thrust washer.

h8 H8
Type: LS
Shaft-piloted thrust washer.

h6 G6) Clearance
Type : WS.811
Housing-piloted thrust washer.

Clearance H7 (K7)
Type : GS.811
Table 24 Recommended fit for metric series cylindrical roller thrust bearings
Shaft tolerance Housing tolerance

Bearing components Piloting components
(shaft piloting) (housing piloting)
Thrust cylindrical roller and cage assembly.

h8 H10 Shaft
Types : K.811 and K.812
Heavy thrust washer.

h10 H11 Shaft
Type: LS
Shaft-piloted thrust washer.

h6 G6) Clearance Shaft
Types : WS.811, WS.812
Housing-piloted thrust washer.
Clearance H7 (K7) Housing
Types : GS.811, GS.812
8377

[Shaft and housing specifications]
Table 25 Specifications of shafts and housings (needle roller and cage assemblies,
drawn cup needle roller bearings, and heavy-duty needle roller bearings)
~
Shaft Housing bore
Raceway surface Fitting surface Raceway surface Fitting surface
• Shaft diameter ² 25mm
: 2.5 µmor less One-half the
8 µm or one-half the One-half the bore
Roundness • Shaft diameter > 25mm: shaft diameter
bore tolerance or less tolerance or less
2.5 µm x (shaft diameter tolerance or less
/25 mm) or less
Within the range of the Within the range of the Within the length of the
Variation of bearing width, 5 µmor less One-half the bearing width, 5 µmor less outer ring, 13 µm or
mean diameter per 25 mm or one-half the shaft diameter per 25 mm or one-half the one-half the diameter
(Cylindricity) bearing tolerance or less tolerance or less bearing tolerance or less tolerance (whichever is
(whichever is smaller) (whichever is smaller) smaller) or less
Surface roughness 0.2 a or less 0.8 a or less 0.2 a or less 1.6 a or less
Hardness 58 H RC or harder l) - 58 HRC or harder l) -
Shaft slope 13 µm or less per 25 mm -
[Note] 1) During the carburizing or induction-hardening of case hardened steel, not only must the surface
hardness requirement specified above be met, but the case depth of HV 550 (52.3 HRC) must be met
in the range of 0.08 Dw to 0.1 O Dw mm. (Dw : roller diameter)
Table 26 Needle roller thrust bearing mounting surface specifications
Flatness
(dishing or coning) d3 Maximum angle : Arctan 0.001
Squareness
fb Maximum angle : Arctan 0.0005
Roughness (Ra) 0.2 a or less
58 H RC or harder
Hardness
(refer to the note for Table 25 above regarding depth.)
8378

----------------Koyo
8379

Radial needle roller and cage assemblies - - - - - - - - - - -

single-row, double-row assemblies
metric series
K, K ZW series
Shaft dia. 3 --- (10) mm
f Fw - - - - Fw - - - - - - -
n-f
K KZW
Boundary dimensions Basic load ratings Fatigue Limiting speeds

(mm) (kN) load limit Cage (min-1)
Be Bearing No. (kN) material 1> Grease
Shaft Oil lub.
dia. Fw Ew -0.20 Cr Cor P/S lub.
-0.55 Cu
3 3 5 7 K3X5X7TN 1.56 1.29 0.200 p 48 000 74 000
4 4 7 7 K4X7X7TN 1.83 1.32 0.200 p 34 000 52 000
5 5 8 8 K5X8X8TN 2.18 1.71 0.260 p 31 000 47 000

5 8 10 K5X8XIOTN 3.04 2.63 0.400 p 31 000 47 000
5 9 13 K5X9X13TN 4.29 3.55 0.540 p 26 000 40 000
6 6 9 8 K6X9X8H 3.19 2.90 0.420 s 29 000 44 000

6 9 8 K6X9X8TN 2.47 2.07 0.310 p 29 000 44 000
6 9 10 K6X9XIOTN 3.07 2.74 0.420 p 29 000 44 000
7 7 10 8 K7XIOX8TN 2.74 2.44 0.370 p 28 000 42 000

7 10 10 K7XIOXIOTN 3.40 3.22 0.490 p 28 000 42 000
7 11 15 K7X11X15TN 6.44 6.24 0.940 p 23 000 35 000
8 8 11 8 K8X11X8FV 3.23 3.11 0.470 s 26 000 41 000

8 11 8 K8X11X8TN 2.34 2.05 0.300 p 26 000 41 000
8 11 10 KSXIIXIOH 4.57 4.89 0.740 s 26 000 41 000
8 11 10 KSXIIXIOFV 4.01 4.11 0.630 s 26 000 41 000
8 11 10 K8xllx10TN 3.84 3.91 0.600 p 26 000 41 000
8 11 13 K8xllx13TN 5.18 5.75 0.870 p 26 000 41 000
8 11 13 K8X11X13H 5.22 5.78 0.880 s 26 000 41 000
9 9 12 10 K9X12XIOFH 4.27 4.60 0.700 s 26 000 40 000

9 12 10 K9X12XIOFV 4.27 4.60 0.700 s 26 000 40 000
9 12 13 K9X12X13FH 5.57 6.47 0.980 s 26 000 40 000
9 12 13 K9X12X13FV 5.57 6.47 0.980 s 26 000 40 000
9 13 8 K9X13X8H 3.96 3.50 0.530 s 21 000 32 000
10 10 13 10 KIOX13XIOH 5.40 6.43 0.980 s 25 000 39 000

10 13 10 KIOX13XIOTN 4.29 4.77 0.730 p 25 000 39 000
10 13 13 KIOX13X13 5.90 7.16 1.1 O s 25 000 39 000
[Note] 1) Cage material: P: polymer cage, S: steel cage

B380

-----------------Koyo
raceway surfaces to be
58 HRC or equivalent
---------------=¾f
- - - - - :1·i / - - - -· rpSrpH
'' ''
'' ''
' '
'''
'' ''
Recommended dimensions
(Refer.) (mm)
Mass S (Shaft) H (Housing)
(kg)
max. min. max. min.
0.0002 3.000 2.996 5.004 5.012
0.0005 4.000 3.995 7.014 7.005
0.0007 5.000 4.995 8.014 8.005

0.0008 5.000 4.995 8.014 8.005
0.002 5.000 4.995 9.014 9.005
0.0008 6.000 5.995 9.014 9.005

0.001 6.000 5.995 9.014 9.005
0.001 6.000 5.995 9.014 9.005
0.001 7.000 6.994 10.014 10.005

0.001 7.000 6.994 10.014 10.005
0.003 7.000 6.994 11.017 11.006
0.002 8.000 7.994 11.017 11.006

0.001 8.000 7.994 11.017 11.006
0.002 8.000 7.994 11.017 11.006
0.002 8.000 7.994 11.017 11.006
0.001 8.000 7.994 11.006 11.017
0.002 8.000 7.994 11.006 11.017
0.003 8.000 7.994 11.017 11.006
0.003 9.000 8.994 12.017 12.006

0.002 9.000 8.994 12.017 12.006
0.003 9.000 8.994 12.017 12.006
0.003 9.000 8.994 12.017 12.006
0.003 9.000 8.994 13.017 13.006
0.002 10.000 9.994 13.017 13.006

0.002 10.000 9.994 13.017 13.006
0.003 10.000 9.994 13.017 13.006
B 381


metric series
K, K ZW series
Shaft dia. (10) - (15) mm
f Fw - - - - Fw - - - - - - -
n-f
K KZW

Shaft
Fw Ew -0.20 Cr Cor P/S Oil lub.
dia. -0.55 Cu lub.
10 10 13 16 K10X13X16 7.43 9.64 1.50 s 25 000 39 000

10 14 10 KlOX14XlOH 6.12 6.29 0.960 s 20 000 31 000
10 14 13 K10X14X13H 7.88 8.71 1.35 s 20 000 31 000
10 16 12 K10X16X12F 8.39 7.47 1.15 s 15 000 24 000
10 16 12 K10X16X12TN 7.50 6.40 0.970 p 15 000 24 000
12 12 15 10 K12X15X10H 5.85 7.51 1.15 s 24 000 37 000

12 15 13 K12X15X13H 6.78 9.03 1.40 s 24 000 37 000
12 16 13 K12X16X13H 7.49 8.51 1.60 s 19 000 30 000
12 17 13 K12X17X13 8.93 9.29 1.20 s 16 000 25 000
12 18 12 K12X18X12H 9.76 9.40 1.40 s 14 000 22 000
13 13 17 10 K13X17X10 7.22 8.33 1.25 s 19 000 29 000

13 18 15 K13X18X15F 10.8 12.1 1.85 s 16 000 25 000
14 14 18 8 K14X18X8 5.39 5.82 0.880 s 19 000 29 000

14 18 10 K14X18X10 7.17 8.41 1.30 s 19 000 29 000
14 18 13 K14X18X13 9.73 12.5 1.90 s 19 000 29 000
14 18 15 K14X18X15 10.5 13.8 2.15 s 19 000 29 000
14 18 17 K14X18X17H 12.4 17.1 2.65 s 19 000 29 000
14 19 13 K14X19X13H 10.2 11.4 1.75 s 16 000 24 000
14 19 18 K14X19X18F 13.2 16.0 2.50 s 16 000 24 000
14 20 12 K14X20X12 10.5 10.6 1.60 s 14 000 21 000
15 15 18 14 K15X18X14TN 7.92 11.9 1.80 p 13 000 23 000

15 18 16 K15X18X16F 8.36 12.6 1.95 s 13 000 23 000
15 18 17 K15X18X17 8.08 12.1 1.85 s 23 000 36 000
15 19 10 K15X19X10 7.87 9.69 1.45 s 18 000 28 000
15 19 13 K15X19X13 9.66 12.6 1.90 s 18 000 28 000
15 19 17 K15X19X17H 12.3 17.2 2.65 s 18 000 28 000
15 19 22 K15X19X22ZW 12.2 17.0 2.60 s 18 000 28 000
B382

-----------------Koyo
---------------=¾f
- - - - - :1·i / - - - -· rpSrpH
'' ''
'' ''
' '
'''
'' ''
(Refer.) (mm)
(kg)
max. min. max. min.
0.004 10.000 9.994 13.017 13.006

0.003 10.000 9.994 14.017 14.006
0.004 10.000 9.994 14.017 14.006
0.006 10.000 9.994 16.017 16.006
0.005 10.000 9.994 16.017 16.006
0.003 12.000 11.992 15.017 15.006

0.004 12.000 11.992 15.017 15.006
0.006 12.000 11.992 16.017 16.006
0.008 12.000 11.992 17.017 17.006
0.009 12.000 11.992 18.017 18.006
0.004 13.000 12.992 17.017 17.006

0.008 13.000 12.992 18.017 18.006
0.004 14.000 13.992 18.017 18.006

0.005 14.000 13.992 18.017 18.006
0.006 14.000 13.992 18.017 18.006
0.007 14.000 13.992 18.017 18.006
0.008 14.000 13.992 18.017 18.006
0.008 14.000 13.992 19.020 19.007
0.011 14.000 13.992 19.020 19.007
0.009 14.000 13.992 20.020 20.007
0.003 15.000 14.992 18.017 18.006

0.005 15.000 14.992 18.017 18.006
0.005 15.000 14.992 18.017 18.006
0.005 15.000 14.992 19.020 19.007
0.007 15.000 14.992 19.020 19.007
0.009 15.000 14.992 19.020 19.007
0.010 15.000 14.992 19.020 19.007
8383


metric series
K, K ZW series
f Fw - - - - Fw - - - - - - -
n-f
K KZW

Shaft
dia. -0.55 Cu lub.
15 15 20 13 K15X20X13H 9.93 11.3 1.80 s 16 000 24 000

15 21 15 K15X21X15 13.4 14.8 2.30 s 14 000 21 000
15 21 21 K15X21X21H 18.0 21.7 3.40 s 14 000 21 000
16 16 20 8 K16X20X8F 6.37 7.51 1.15 s 18 000 28 000

16 20 10 K16X20X10H 7.82 9.76 1.50 s 18 000 28 000
16 20 13 K16X20X13 10.1 13.5 2.05 s 18 000 28 000
16 20 14 K16X20X14 10.8 14.8 2.25 s 18 000 28 000
16 20 17 K16X20X17H 12.9 18.5 2.85 s 18 000 28 000
16 20 20 K16X20X20 13.4 19.5 3.05 s 18 000 28 000
16 22 12 K16X22X12 11.2 11.9 1.80 s 19 000 29 000
16 22 16 K16X22X16H 14.9 17.2 2.70 s 19 000 29 000
16 22 20 K16X22X20 18.6 22.9 3.60 s 19 000 29 000
16 24 20 K16X24X20 20.2 21.4 3.45 s 20 000 30 000
17 17 20 10 K17X20X10 5.96 8.53 1.30 s 16 000 25 000

17 21 10 K17X21X10 8.12 10.4 1.60 s 17 000 26 000
17 21 12.8 K17X21X13H 10.5 14.5 2.20 s 17 000 26 000
17 21 15 K17X21X15 11.4 16.1 2.50 s 17 000 26 000
17 21 17 K17X21X17H 13.4 19.8 3.05 s 17 000 26 000
17 22 20 K17X22X20FH 17.0 23.3 3.65 s 17 000 27 000
17 23 15 K17X23X15F 14.1 16.3 2.55 s 18 000 27 000
18 18 22 8 K18X22X8F 6.32 7.70 1.15 s 16 000 24 000

18 22 10 K18X22X10H 8.41 11.1 1.70 s 16 000 24 000
18 22 13 K18X22X13H 10.8 15.4 2.35 s 16 000 24 000
18 22 14 K18X22X14 11.6 16.8 2.55 s 16 000 24 000
18 22 14 K18X22X14FV 11.3 16.3 2.45 s 16 000 24 000
18 22 17 K18X22X17H 13.3 19.9 3.10 s 16 000 24 000
18 22 20 K18X22X20F 15.0 23.4 3.65 s 16 000 24 000
18 24 12 K18X24X12 11.8 13.1 1.95 s 17 000 25 000

B384

-----------------Koyo
---------------=¾f
- - - - - :1·i / - - - -· rpSrpH
'' ''
'' ''
' '
'''
'' ''
(Refer.) (mm)
(kg)
max. min. max. min.
0.008 15.000 14.992 20.020 20.007

0.013 15.000 14.992 21.020 21.007
0.018 15.000 14.992 21.020 21.007
0.005 16.000 15.992 20.020 20.007

0.006 16.000 15.992 20.020 20.007
0.007 16.000 15.992 20.020 20.007
0.007 16.000 15.992 20.020 20.007
0.008 16.000 15.992 20.020 20.007
0.011 16.000 15.992 20.020 20.007
0.010 16.000 15.992 22.020 22.007
0.014 16.000 15.992 22.020 22.007
0.017 16.000 15.992 22.020 22.007
0.025 16.000 15.992 24.020 24.007
0.004 17.000 16.992 20.020 20.007

0.006 17.000 16.992 21.020 21.007
0.008 17.000 16.992 21.020 21.007
0.008 17.000 16.992 21.020 21.007
0.011 17.000 16.992 21.020 21.007
0.015 17.000 16.992 22.020 22.007
0.010 17.000 16.992 23.020 23.007
0.005 18.000 17.992 22.020 22.007

0.006 18.000 17.992 22.020 22.007
0.008 18.000 17.992 22.020 22.007
0.009 18.000 17.992 22.020 22.007
0.009 18.000 17.992 22.020 22.007
0.009 18.000 17.992 22.020 22.007
0.011 18.000 17.992 22.020 22.007
0.011 18.000 17.992 24.020 24.007
8385


metric series
K, K ZW series
f Fw - - - - Fw - - - - - - -
n-f
K KZW

Shaft
dia. -0.55 Cu lub.
18 18 24 20 K18X24X20H 19.4 24.9 3.90 s 16 000 25 000

18 25 22 K18X25X22H 23.3 28.6 4.50 s 17 000 26 000
18 26 12 K18X26X12FV 13.8 13.5 2.10 s 11 000 17 000
18 26 20 K18X26X20F 21.7 24.1 3.85 s 17 000 26 000
19 19 23 13 K19X23X13 10.8 15.5 2.35 s 15 000 23 000

19 23 17 K19X23X17 13.4 20.6 3.20 s 15 000 23 000
20 20 24 8 K20X24X8F 7.31 9.60 1.50 s 14 000 22 000

20 24 10 K20X24X10H 8.97 12.5 2.05 s 14 000 22 000
20 24 12 K20X24X12 10.7 15.7 2.40 s 14 000 22 000
20 24 13 K20X24X13H 11.5 17.3 1.30 s 14 000 22 000
20 24 14 K20X24X14 12.4 18.9 2.85 s 14 000 22 000
20 24 17 K20X24X17H 14.8 23.7 3.65 s 14 000 22 000
20 26 12 K20X26X12 13.0 15.3 2.30 s 15 000 23 000
20 26 13 K20X26X13H 13.4 15.9 2.35 s 15 000 23 000
20 26 17 K20X26X17H 19.3 25.5 4.00 s 15 000 23 000
20 26 20 K20X26X20 20.3 27.2 4.25 s 15 000 23 000
20 28 20 K20X28X20H 24.6 29.0 2.70 s 15 000 23 000
20 28 25 K20X28X25H 29.7 37.0 5.80 s 15 000 23 000
20 30 30 K20X30X30H 38.9 45.8 7.20 s 16 000 24 000
20 32 36 K20X32X36H 49.9 57.0 9.15 s 16 000 25 000
21 21 25 17 K21X25X17H 14.3 23.1 3.60 s 14 000 21 000
22 22 26 10 K22X26X10H 9.81 14.5 2.20 s 13 000 20 000

22 26 13 K22X26X13H 11.8 18.3 2.95 s 13 000 20 000
22 26 17 K22X26X17H 15.6 26.3 4.05 s 13 000 20 000
22 26 18 K22X26X18H 15.3 25.5 4.00 s 13 000 20 000
22 28 13 K22X28X13 13.9 17.1 2.60 s 13 000 20 000
22 28 17 K22X28X17H 18.2 24.2 3.80 s 13 000 20 000
B386

-----------------Koyo
---------------=¾f
- - - - - :1·i / - - - -· rpSrpH
'' ''
'' ''
' '
'''
'' ''
(Refer.) (mm)
(kg)
max. min. max. min.
0.019 18.000 17.992 24.020 24.007

0.025 18.000 17.992 25.020 25.007
0.020 18.000 17.992 26.020 26.007
0.027 18.000 17.992 26.020 26.007
0.008 19.000 18.991 23.020 23.007

0.011 19.000 18.991 23.020 23.007
0.005 20.000 19.991 24.020 24.007

0.006 20.000 19.991 24.020 24.007
0.008 20.000 19.991 24.020 24.007
0.009 20.000 19.991 24.020 24.007
0.009 20.000 19.991 24.020 24.007
0.011 20.000 19.991 24.020 24.007
0.012 20.000 19.991 26.020 26.007
0.014 20.000 19.991 26.020 26.007
0.017 20.000 19.991 26.020 26.007
0.020 20.000 19.991 26.020 26.007
0.028 20.000 19.991 28.020 28.007
0.036 20.000 19.991 28.020 28.007
0.055 20.000 19.991 30.020 30.007
0.082 20.000 19.991 32.025 32.009
0.013 21.000 20.991 25.020 25.007
0.007 22.000 21.991 26.020 26.007

0.012 22.000 21.991 26.020 26.007
0.012 22.000 21.991 26.020 26.007
0.017 22.000 21.991 26.020 26.007
0.015 22.000 21.991 28.020 28.007
0.020 22.000 21.991 28.020 28.007
8387


metric series
K, K ZW series
f Fw - - - - Fw - - - - - - -
n-f
K KZW

Shaft
dia. -0.55 Cu lub.
22 22 30 15 K22X30X15H 19.7 22.3 3.45 s 14 000 21 000

22 30 20 K22X30X20FV 24.4 29.4 4.70 s 14 000 21 000
22 32 24 K22X32X24F 33.1 37.9 6.05 s 14 000 22 000
22 32 30 K22X32X30H 41.8 51.3 8.05 s 14 000 22 000
23 23 28 24 K23X28X24F 22.4 36.2 5.70 s 12 000 19 000

23 35 16 K23X35X16H 25.9 25.1 3.90 s 14 000 21 000
24 24 28 10 K24X28X10H 9.67 14.6 2.20 s 12 000 18 000

24 28 13 K24X28X13H 12.5 20.2 3.05 s 12 000 18 000
24 28 16 K24X28X16F 12.6 20.4 3.10 s 12 000 18 000
24 28 17 K24X28X17H 15.4 26.4 4.10 s 12 000 18 000
24 30 10 K24X30X10TN 11.3 13.5 2.05 p 12 000 19 000
24 30 17 K24X30X17H 19.8 27.7 4.35 s 12 000 19 000
24 30 22 K24X30X22 25.0 37.3 5.80 s 12 000 19 000
24 36 23 K24X36X23H 37.1 40.1 6.40 s 13 000 20 000
25 25 29 10 K25X29X10H 9.61 14.6 2.25 s 11 000 17 000

25 29 13 K25X29X13H 12.8 21.1 3.20 s 11 000 17 000
25 29 17 K25X29X17H 15.1 26.2 4.10 s 11 000 17 000
25 30 13 K25X30X13 14.6 21.4 3.25 s 11 000 17 000
25 30 17 K25X30X17H 18.8 29.8 4.60 s 11 000 17 000
25 30 18 K25X30X18 20.6 33.4 5.30 s 11 000 17 000
25 30 20 K25X30X20H 21.9 36.1 5.65 s 11 000 17 000
25 30 24 K25X30X24H 24.8 42.4 6.60 s 11 000 17 000
25 30 26 K25X30X26ZW 23.0 38.6 5.90 s 11 000 17 000
25 31 14 K25X31X14H 16.8 22.7 3.45 s 12 000 18 000
25 31 17 K25X31X17H 19.7 27.8 4.35 s 12 000 18 000
25 31 21 K25X31X21H 25.1 38.0 5.95 s 12 000 18 000
25 31 24 K25X31X24FH 25.3 38.5 6.05 s 12 000 18 000
25 32 16 K25X32X16 19.8 25.3 4.00 s 12 000 18 000

B388

-----------------Koyo
---------------=¾f
- - - - - :1·i / - - - -· rpSrpH
'' ''
'' ''
' '
'''
'' ''
(Refer.) (mm)
(kg)
max. min. max. min.
0.023 22.000 21.991 30.020 30.007

0.031 22.000 21.991 30.020 30.007
0.046 22.000 21.991 32.025 32.009
0.057 22.000 21.991 32.025 32.009
0.023 23.000 22.991 28.020 28.007

0.040 23.000 22.991 35.025 35.009
0.027 24.000 23.991 28.020 28.007

0.010 24.000 23.991 28.020 28.007
0.012 24.000 23.991 28.020 28.007
0.013 24.000 23.991 28.020 28.007
0.008 24.000 23.991 30.020 30.007
0.020 24.000 23.991 30.020 30.007
0.024 24.000 23.991 30.020 30.007
0.070 24.000 23.991 36.025 36.009
0.008 25.000 24.991 29.020 29.007

0.010 25.000 24.991 29.020 29.007
0.016 25.000 24.991 29.020 29.007
0.012 25.000 24.991 30.020 30.007
0.016 25.000 24.991 30.020 30.007
0.017 25.000 24.991 30.020 30.007
0.019 25.000 24.991 30.020 30.007
0.024 25.000 24.991 30.020 30.007
0.027 25.000 24.991 30.020 30.007
0.017 25.000 24.991 31.025 31.009
0.020 25.000 24.991 31.025 31.009
0.026 25.000 24.991 31.025 31.009
0.031 25.000 24.991 31.025 31.009
0.027 25.000 24.991 32.025 32.009
8389


metric series
K, K ZW series
Shaft dia. (25) - 29 mm
f Fw - - - - Fw - - - - - - -
n-f
K KZW

Shaft
dia. -0.55 Cu lub.
25 25 33 20 K25X33X20H 28.8 37.6 5.95 s 12 000 18 000

25 33 24 K25X33X24H 32.3 43.5 6.85 s 12 000 18 000
25 33 25 K25X33X25H 33.0 44.6 7.00 s 12 000 18 000
25 35 23.7 K25X35X23, 7H 35.9 42.3 6.90 s 12 000 19 000
25 35 25 K25X35X25H 37.8 46.2 7.25 s 12 000 19 000
25 35 30 K25X35X30H 44.6 57.2 9.00 s 12 000 19 000
25 35 36 K25X35X36H 52.4 70.4 11.0 s 12 000 19 000
25 37 20 K25X37X20H 32.5 34.1 5.45 s 12 000 19 000
26 26 30 10 K26X30X10F 9.46 14.5 2.20 s 11 000 16 000

26 30 13 K26X30X13 12.3 20.4 3.10 s 10 000 16 000
26 30 17 K26X30X17 15.0 26.3 3.10 s 10 000 16 000
26 30 22 K26X30X22ZW 16.7 30.2 4.60 s 10 000 16 000
28 28 32 21 K28X32X21F 18.7 35.7 5.55 s 9 900 15 000

28 33 13 K28X33X13F 14.1 21.4 3.25 s 10 000 15 000
28 33 17 K28X33X17H 19.8 33.0 5.10 s 10 000 15 000
28 33 27 K28X33X27 29.0 53.8 8.30 s 10 000 15 000
28 34 17 K28X34X17 21.1 31.5 6.30 s 10 000 16 000
28 34 20 K28X34X20H 24.4 37.8 7.65 s 10 000 16 000
28 35 15 K28X35X15H 19.5 25.6 3.95 s 10 000 16 000
28 35 16 K28X35X16H 21.5 29.1 4.60 s 10 000 16 000
28 35 27 K28X35X27H 35.2 54.7 8.50 s 10 000 16 000
28 36 20 K28X36X20FV 27.8 37.0 5.95 s 10 000 16 000
28 38 25 K28X38X25,5 40.9 52.7 8.25 s 11 000 16 000
28 40 18 K28X40X18H 33.6 36.5 5.90 s 11 000 17 000
28 40 25 K28X40X25H 45.5 54.0 8.55 s 11 000 17 000
28 40 30 K28X40X30H 54.3 67.8 10.7 s 11 000 17 000
28 41 25 K28X41X25H 49.2 57.1 9.05 s 11 000 17 000
29 29 34 27 K29X34X27F 28.9 54.0 8.40 s 9 700 15 000

B390

-----------------Koyo
---------------=¾f
- - - - - :1·i / - - - -· rpSrpH
'' ''
'' ''
' '
'''
'' ''
(Refer.) (mm)
(kg)
max. min. max. min.
0.035 25.000 24.991 33.025 33.009

0.038 25.000 24.991 33.025 33.009
0.041 25.000 24.991 33.025 33.009
0.050 25.000 24.991 35.025 35.009
0.054 25.000 24.991 35.025 35.009
0.060 25.000 24.991 35.025 35.009
0.074 25.000 24.991 35.025 35.009
0.055 25.000 24.991 37.025 37.009
0.007 26.000 25.991 30.020 30.007

0.011 26.000 25.991 30.020 30.007
0.014 26.000 25.991 30.020 30.007
0.018 26.000 25.991 30.020 30.007
0.018 28.000 27.991 32.025 32.009

0.015 28.000 27.991 33.025 33.009
0.018 28.000 27.991 33.025 33.009
0.027 28.000 27.991 33.025 33.009
0.022 28.000 27.991 34.025 34.009
0.025 28.000 27.991 34.025 34.009
0.025 28.000 27.991 35.025 35.009
0.026 28.000 27.991 35.025 35.009
0.042 28.000 27.991 35.025 35.009
0.039 28.000 27.991 36.025 36.009
0.059 28.000 27.991 38.025 38.009
0.060 28.000 27.991 40.025 40.009
0.072 28.000 27.991 40.025 40.009
0.100 28.000 27.991 40.025 40.009
0.082 28.000 27.991 41.025 41.009
0.033 29.000 28.991 34.025 34.009
B 391


metric series
K, K ZW series
Shaft dia. 30 - (34) mm
f Fw - - - - Fw - - - - - - -
n-f
K KZW

Shaft
dia. -0.55 Cu lub.
30 30 34 13 K30X34X13 13.5 24.1 3.65 s 9 200 14 000

30 35 13 K30X35X13H 15.6 24.9 3.80 s 9 300 14 000
30 35 17 K30X35X17H 20.2 34.6 5.35 s 9 300 14 000
30 35 20 K30X35X20H 23.5 41.9 6.55 s 9 300 14 000
30 35 22.8 K30X35X23F 25.6 46.8 7.40 s 9 300 14 000
30 35 27 K30X35X27H 30.6 59.0 9.10 s 9 300 14 000
30 35 27 K30X35X27HZW 19.9 33.6 5.10 s 9 300 14 000
30 36 14 K30X36X14 18.0 26.2 4.00 s 9 500 15 000
30 37 17.8 K30X37X18 24.3 34.8 6.00 s 9 600 15 000
30 40 30 K30X40X30H 49.2 67.8 10.6 s 9 900 15 000
30 42 30 K30X42X30H 54.2 68.6 10.8 s 10 000 16 000
30 44 26 K30X44X26H 52.4 59.9 9.55 s 10 000 16 000
32 32 36 15 K32X36X15F 11.6 20.2 3.10 s 8 600 13 000

32 37 13 K32X37X13 15.2 24.4 4.00 s 8 700 13 000
32 37 17 K32X37X17H 20.0 34.8 5.40 s 8 700 13 000
32 37 27 K32X37X27 29.3 56.8 8.85 s 8 700 13 000
32 38 20 K32X38X20H 27.3 45.7 7.15 s 8 800 14 000
32 38 26 K32X38X26H 33.2 58.8 9.15 s 8 800 14 000
32 39 16 K32X39X16H 23.0 33.0 5.20 s 8 900 14 000
32 39 18 K32X39X18H 25.8 38.2 6.05 s 8 900 14 000
32 40 25 K32X40X25H 37.9 57.2 8.90 s 9 000 14 000
32 40 36 K32X40X36H 52.3 86.4 13.6 s 9 000 14 000
32 42 42 K32X42X42H 69.2 108 17.1 s 9 200 14 000
32 46 18 K32X46X18H 39.2 41.9 6.80 s 9 600 15 000
32 46 32 K32X46X32H 67.0 83.4 13.1 s 9 600 15 000
32 46 40 K32X46X40H 81.7 108 12.2 s 9 600 15 000
33 33 51 23 K33X51X23H 55.9 57.6 9.35 s 9 600 15 000
34 34 38 11 K34X38Xll 12.2 21.9 3.35 s 8100 12 000

B392

-----------------Koyo
---------------=¾f
- - - - - :1·i / - - - -· rpSrpH
'' ''
'' ''
' '
'''
'' ''
(Refer.) (mm)
(kg)
max. min. max. min.
0.011 30.000 29.991 34.025 34.009

0.017 30.000 29.991 35.025 35.009
0.022 30.000 29.991 35.025 35.009
0.023 30.000 29.991 35.025 35.009
0.028 30.000 29.991 35.025 35.009
0.032 30.000 29.991 35.025 35.009
0.033 30.000 29.991 35.025 35.009
0.020 30.000 29.991 36.025 36.009
0.033 30.000 29.991 37.025 37.009
0.077 30.000 29.991 40.025 40.009
0.096 30.000 29.991 42.025 42.009
0.095 30.000 29.991 44.025 44.009
0.015 32.000 31.989 36.025 36.009

0.018 32.000 31.989 37.025 37.009
0.020 32.000 31.989 37.025 37.009
0.035 32.000 31.989 37.025 37.009
0.030 32.000 31.989 38.025 38.009
0.037 32.000 31.989 38.025 38.009
0.030 32.000 31.989 39.025 39.009
0.033 32.000 31.989 39.025 39.009
0.052 32.000 31.989 40.025 40.009
0.080 32.000 31.989 40.025 40.009
0.110 32.000 31.989 42.025 42.009
0.075 32.000 31.989 46.025 46.009
0.140 32.000 31.989 46.025 46.009
0.158 32.000 31.989 46.025 46.009
0.140 33.000 32.989 51.029 51.010
0.011 34.000 33.989 38.025 38.009
8393


metric series
K, K ZW series
f Fw - - - - Fw - - - - - - -
n-f
K KZW

Shaft
dia. -0.55 Cu lub.
34 34 44 26 K34X44X26FH 42.9 58.9 9.40 s 8 600 13 000
35 35 40 13 K35X40X13H 16.2 27.2 4.15 s 7 900 12 000

35 40 17 K35X40X17H 22.1 40.8 6.35 s 7 900 12 000
35 40 19 K35X40X19H 23.2 43.2 6.80 s 7 900 12 000
35 40 25 K35X40X25H 28.4 56.2 8.70 s 7 900 12 000
35 40 27 K35X40X27H 29.8 59.6 9.20 s 7 900 12 000
35 42 16 K35X42X16AH 24.5 36.8 5.80 s 8100 12 000
35 42 18 K35X42X18 27.5 42.6 6.75 s 8100 12 000
35 42 20 K35X42X20H 30.4 48.5 7.65 s 8100 12 000
35 42 30 K35X42X30FH 40.5 70.0 10.9 s 8100 12 000
35 45 20 K35X45X20FH 36.5 49.9 8.00 s 8 400 13 000
35 45 30 K35X45X30F 51.2 74.5 11.7 s 8 400 13 000
35 45 35 K35X45X35H 62.1 95.5 15.0 s 8 400 13 000
35 45 41 K35X45X41 70.8 113 17.7 s 8 400 13 000
35 45 49 K35X45X49H 82.5 138 21.4 s 8 400 13 000
35 45 49 K35X45X49HZW 71.8 115 18.1 s 8 400 13 000
35 50 23 K35X50X23H 53.0 60.3 9.75 s 8 700 13 000
35 50 40 K35X50X40F 79.7 102 16.2 s 8 700 13 000
36 36 40 29 K36X40X29TN 21.2 45.2 7.15 p 7 600 12 000

36 42 16 K36X42X16 22.8 37.7 5.95 s 7 800 12 000
37 37 42 13 K37X42X13H 16.9 29.4 4.50 s 7 500 11 000

37 42 17 K37X42X17H 21.9 41.0 6.35 s 7 500 11 000
37 42 27 K37X42X27F 32.1 66.9 10.4 s 7 500 11 000
37 44 19 K37X44X19H 29.7 48.0 7.65 s 7 600 12 000
38 38 41 9 K38X41X9TN 5.93 11.0 1.65 p 7100 11 000

38 43 17 K38X43X17H 21.8 41.0 6.35 s 7 300 11 000
38 43 27 K38X43X27 31.9 67.0 10.4 s 7 300 11 000
B394

-----------------Koyo
---------------=¾f
- - - - - :1·i / - - - -· rpSrpH
'' ''
'' ''
' '
'''
'' ''
(Refer.) (mm)
(kg)
max. min. max. min.
0.080 34.000 33.989 44.025 44.009
0.018 35.000 34.989 40.025 40.009

0.025 35.000 34.989 40.025 40.009
0.025 35.000 34.989 40.025 40.009
0.035 35.000 34.989 40.025 40.009
0.037 35.000 34.989 40.025 40.009
0.031 35.000 34.989 42.025 42.009
0.035 35.000 34.989 42.025 42.009
0.037 35.000 34.989 42.025 42.009
0.061 35.000 34.989 42.025 42.009
0.059 35.000 34.989 45.025 45.009
0.100 35.000 34.989 45.025 45.009
0.085 35.000 34.989 45.025 45.009
0.120 35.000 34.989 45.025 45.009
0.143 35.000 34.989 45.025 45.009
0.143 35.000 34.989 45.025 45.009
0.110 35.000 34.989 50.025 50.009
0.200 35.000 34.989 50.025 50.009
0.029 36.000 35.989 40.025 40.009

0.027 36.000 35.989 42.025 42.009
0.017 37.000 36.989 42.025 42.009

0.025 37.000 36.989 42.025 42.009
0.039 37.000 36.989 42.025 42.009
0.039 37.000 36.989 44.025 44.009
0.004 38.000 37.989 41.025 41.009

0.032 38.000 37.989 43.025 43.009
0.041 38.000 37.989 43.025 43.009
8395


metric series
K, K ZW series
f Fw - - - - Fw - - - - - - -
n-f
K KZW

Shaft
dia. -0.55 Cu lub.
38 38 46 19.8 K38X46X20H 33.3 51.0 8.10 s 7 500 12 000

38 46 32 K38X46X32H 55.2 98.1 15.3 s 7 500 12 000
38 50 25 K38X50X25 53.0 70.8 11.2 s 7 800 12 000
38 50 33 K38X50X33H 68.3 98.2 15.4 s 7 800 12 000
38 50 40 K38X50X40FH 76.2 113 17.8 s 7 800 12 000
40 40 45 13 K40X45X13H 17.6 31.7 4.80 s 6 900 11 000

40 45 18 K40X45X18H 25.1 50.4 8.00 s 6 900 11 000
40 45 21 K40X45X21H 23.3 45.2 8.50 s 6 900 11 000
40 45 27 K40X45X27H 32.7 70.2 10.8 s 6 900 11 000
40 45 27 K40X45X27TN 33.3 72.1 11.2 p 6 900 11 000
40 45 29 K40X45X29H 34.7 75.9 11.7 s 6 900 11 000
40 46 17 K40X46X17 25.2 44.0 6.95 s 7 000 11 000
40 47 18 K40X47X18 28.0 45.6 7.25 s 7 000 11 000
40 47 20 K40X47X20 31.1 52.1 8.25 s 7 000 11 000
40 48 20 K40X48X20FV1 35.5 56.3 8.45 s 7100 11 000
40 48 20 K40X48X20H 35.5 56.3 8.95 s 7100 11 000
40 48 35 K40X48X35H 57.3 104 16.3 s 7100 11 000
40 50 27 K40X50X27H 53.0 81.0 12.7 s 7 200 11 000
40 55 45 K40X55X45H 103 146 23.0 s 7 500 12 000
40 56 26 K40X56X26H 63.7 75.7 12.0 s 7 600 12 000
41 41 48 31 K41X48X31HZW 38.0 68.1 10.6 s 6 800 11 000
42 42 47 13 K42X47X13H 18.7 34.9 5.30 s 6 500 10 000

42 47 17 K42X47X17H 22.8 45.2 7.30 s 6 500 10 000
42 47 27 K42X47X27H 33.8 74.7 11.6 s 6 500 10 000
42 48 24 K42X48X24F 33.1 63.9 10.1 s 6 600 10 000
42 50 13 K42X50X13H 20.9 28.9 4.45 s 6 700 10 000
42 50 20 K42X50X20H 35.2 56.6 9.00 s 6 700 10 000
42 50 30 K42X50X30H 51.3 91.9 14.4 s 6 700 10 000

B396

-----------------Koyo
---------------=¾f
- - - - - :1·i / - - - -· rpSrpH
'' ''
'' ''
' '
'''
'' ''
(Refer.) (mm)
(kg)
max. min. max. min.
0.055 38.000 37.989 46.025 46.009

0.090 38.000 37.989 46.025 46.009
0.100 38.000 37.989 50.025 50.009
0.126 38.000 37.989 50.025 50.009
0.170 38.000 37.989 50.025 50.009
0.022 40.000 39.989 45.025 45.009

0.031 40.000 39.989 45.025 45.009
0.033 40.000 39.989 45.025 45.009
0.040 40.000 39.989 45.025 45.009
0.030 40.000 39.989 45.025 45.009
0.050 40.000 39.989 45.025 45.009
0.033 40.000 39.989 46.025 46.009
0.041 40.000 39.989 47.025 47.009
0.042 40.000 39.989 47.025 47.009
0.052 40.000 39.989 48.025 48.009
0.050 40.000 39.989 48.025 48.009
0.098 40.000 39.989 48.025 48.009
0.084 40.000 39.989 50.025 50.009
0.221 40.000 39.989 55.029 55.010
0.138 40.000 39.989 56.029 56.010
0.067 41.000 40.989 48.025 48.009
0.027 42.000 41.989 47.025 47.009

0.028 42.000 41.989 47.025 47.009
0.041 42.000 41.989 47.025 47.009
0.046 42.000 41.989 48.025 48.009
0.035 42.000 41.989 50.025 50.009
0.054 42.000 41.989 50.025 50.009
0.080 42.000 41.989 50.025 50.009
8397


metric series
K, K ZW series
Shaft dia. 43 - (47) mm
f Fw - - - - Fw - - - - - - -
n-f
K KZW

Shaft
dia. -0.55 Cu lub.
43 43 48 17 K43X48X17FH 23.0 45.8 6.85 s 6 400 9 800

43 48 27 K43X48X27H 34.8 78.0 12.1 s 6 400 9 800
44 44 50 22 K44X50X22H 31.6 60.6 9.45 s 6 400 9 900

44 50 30 K44X50X30,5HZW 35.5 70.5 10.7 s 6 400 9 900
45 45 50 13 K45X50X13H 18.4 35.1 5.35 s 6100 9 400

45 50 15 K45X50X15H 19.4 37.3 5.75 s 6100 9 400
45 50 17 K45X50X17H 24.9 51.8 8.05 s 6100 9 400
45 50 20 K45X50X20F 27.0 57.4 9.00 s 6100 9 400
45 50 21 K45X50X21CH 24.6 50.4 7.85 s 6100 9 400
45 50 27 K45X50X27FH 34.2 77.4 12.0 s 6100 9 400
45 50 27 K45X50X27TN 31.8 70.7 11.0 p 6100 9 400
45 52 18 K45X52X18H 30.1 52.0 8.25 s 6 200 9 500
45 52 21 K45X52X21F 35.0 63.2 9.90 s 6 200 9 500
45 53 20 K45X53X20H 36.0 59.5 9.45 s 6 200 9 600
45 53 24.8 K45X53X25H 45.9 81.5 12.7 s 6 200 9 600
45 53 25 K45X53X25F 42.5 73.7 11.7 s 6 200 9 600
45 53 28 K45X53X28H 49.3 89.2 13.9 s 6 200 9 600
45 55 20 K45X55X20H 42.0 62.2 10.0 s 6 400 9 800
45 59 18 K45X59X18H 47.8 58.9 9.60 s 6 600 10 000
45 59 18 K45X59X18TN 45.7 55.4 9.00 p 6 600 10 000
45 59 36 K45X59X36H 82.4 118 18.6 s 6 600 10 000
45 60 30 K45X60X30H 75.5 101 16.0 s 6 600 10 000
45 60 45 K45X60X45H 108 160 25.2 s 6 600 10 000
46 46 53 36 K46X53X36HZW 48.6 96.7 15.3 s 6100 9 300
47 47 52 15 K47X52X15FH 20.1 39.8 6.15 s 5 800 8 900

47 52 17 K47X52X17H 24.2 50.4 7.85 s 5 800 8 900
47 52 27 K47X52X27H 36.6 85.9 13.3 s 5 800 8 900
B398

-----------------Koyo
---------------=¾f
- - - - - :1·i / - - - -· rpSrpH
'' ''
'' ''
' '
'''
'' ''
(Refer.) (mm)
(kg)
max. min. max. min.
0.036 43.000 42.989 48.025 48.009

0.050 43.000 42.989 48.025 48.009
0.046 44.000 43.989 50.025 50.009

0.068 44.000 43.989 50.025 50.009
0.022 45.000 44.989 50.025 50.009

0.028 45.000 44.989 50.025 50.009
0.030 45.000 44.989 50.025 50.009
0.040 45.000 44.989 50.025 50.009
0.036 45.000 44.989 50.025 50.009
0.043 45.000 44.989 50.025 50.009
0.048 45.000 44.989 50.025 50.009
0.045 45.000 44.989 52.029 52.010
0.055 45.000 44.989 52.029 52.010
0.054 45.000 44.989 53.029 53.010
0.072 45.000 44.989 53.029 53.010
0.075 45.000 44.989 53.029 53.010
0.078 45.000 44.989 53.029 53.010
0.074 45.000 44.989 55.029 55.010
0.107 45.000 44.989 59.029 59.010
0.097 45.000 44.989 59.029 59.010
0.181 45.000 44.989 59.029 59.010
0.171 45.000 44.989 60.029 60.010
0.280 45.000 44.989 60.029 60.010
0.100 46.000 45.989 53.029 53.010
0.030 47.000 46.989 52.029 52.010

0.032 47.000 46.989 52.029 52.010
0.045 47.000 46.989 52.029 52.010
8399


metric series
K, K ZW series
f Fw - - - - Fw - - - - - - -
n-f
K KZW

Shaft
dia. -0.55 Cu lub.
47 47 55 28 K47X55X28FV1 48.9 89.5 14.0 s 6 000 9 200
48 48 53 17 K48X53X17H 25.7 54.9 8.55 s 5 700 8 700

48 54 19 K48X54X19H 30.9 61.2 9.85 s 5 700 8 800
49 49 55 32 K49X55X32HZW 40.2 86.4 13.4 s 5 600 8 600

49 65 38 K49X65X38H 100 142 22.7 s 6100 9 300
50 50 55 17 K50X55X17H 25.5 55.0 8.55 s 5 400 8 400

50 55 20 K50X55X20H 30.2 68.5 10.7 s 5 400 8 400
50 55 30 K50X55X30 38.2 92.4 14.4 s 5 400 8 400
50 55 30 K50X55X30FV1 38.2 92.4 14.4 s 5 400 8 400
50 56 23 K50X56X23 35.5 74.1 11.7 s 5 500 8 500
50 57 18 K50X57X18FH 31.3 56.4 8.95 s 5 500 8 500
50 58 20 K50X58X20H 38.8 67.8 10.8 s 5 600 8 600
50 58 25 K50X58X25H 46.5 85.6 13.4 s 5 600 8 600
50 58 35 K50X58X35H 64.9 131 20.6 s 5 600 8 600
50 62 30 K50X62X30H 64.6 98.1 15.5 s 5 800 8 900
50 66 30 K50X66X30H 80.9 109 17.4 s 5 900 9100
50 70 32 K50X70X32H 103 129 20.6 s 6100 9 300
52 52 57 12 K52X57X12 18.4 36.7 5.60 s 5 200 8 000

52 57 17 K52X57X17H 21.4 44.3 6.90 s 5 200 8 000
52 60 24 K52X60X24 47.1 88.3 13.9 s 5 400 8 200
55 55 60 17 K55X60X17 26.0 58.3 9.10 s 4 900 7 600

55 60 20 K55X60X20H 30.7 72.4 11.3 s 4 900 7 600
55 60 27 K55X60X27H 40.1 102 15.7 s 4 900 7 600
55 60 30 K55X60X30FH 40.6 103 16.1 s 4 900 7 600
55 61 26 K55X61X26H 44.3 102 15.9 s 5 000 7 600
55 62 18 K55X62X18H 33.2 62.8 10.0 s 5 000 7 700
55 63 15 K55X63X15F 30.5 51.5 8.00 s 5 000 7 800
B400

-----------------Koyo
---------------=¾f
- - - - - :1·i / - - - -· rpSrpH
'' ''
'' ''
' '
'''
'' ''
(Refer.) (mm)
(kg)
max. min. max. min.
0.092 47.000 46.989 55.029 55.010
0.032 48.000 47.989 53.029 53.010

0.042 48.000 47.989 54.029 54.010
0.080 49.000 48.989 55.029 55.010

0.244 49.000 48.989 65.029 65.010
0.032 50.000 49.989 55.029 55.010

0.038 50.000 49.989 55.029 55.010
0.057 50.000 49.989 55.029 55.010
0.057 50.000 49.989 55.029 55.010
0.051 50.000 49.989 56.029 56.010
0.050 50.000 49.989 57.029 57.010
0.065 50.000 49.989 58.029 58.010
0.081 50.000 49.989 58.029 58.010
0.105 50.000 49.989 58.029 58.010
0.136 50.000 49.989 62.029 62.010
0.192 50.000 49.989 66.029 66.010
0.224 50.000 49.989 70.029 70.010
0.022 52.000 51.987 57.029 57.010

0.035 52.000 51.987 57.029 57.010
0.078 52.000 51.987 60.029 60.010
0.037 55.000 54.987 60.029 60.010

0.042 55.000 54.987 60.029 60.010
0.055 55.000 54.987 60.029 60.010
0.068 55.000 54.987 60.029 60.010
0.063 55.000 54.987 61.029 61.010
0.055 55.000 54.987 62.029 62.010
0.054 55.000 54.987 63.029 63.010
8401


metric series
K, K ZW series
f Fw - - - - Fw - - - - - - -
n-f
K KZW

Shaft
dia. -0.55 Cu lub.
55 55 63 20 K55X63X20 40.3 73.5 11.7 s 5 000 7 800

55 63 25 K55X63X25 49.8 96.5 15.1 s 5 000 7 800
55 63 32 K55X63X32 62.3 129 20.0 s 5 000 7 800
58 58 63 17 K58X63X17F 27.0 62.6 9.80 s 4 700 7 200

58 64 19 K58X64X19H 32.9 70.6 11.3 s 4 700 7 200
58 65 18 K58X65X18H 34.3 67.1 10.7 s 4 700 7 300
60 60 65 20 K60X65X20H 31.9 78.1 12.2 s 4 500 6 900

60 65 26.8 K60X65X27FH 39.5 103 16.0 s 4 500 6 900
60 65 29.8 K60X65X30FH 42.9 114 17.8 s 4 500 6 900
60 65 30 K60X65X30 42.9 114 17.8 s 4 500 6 900
60 68 17 K60X68X17F 34.2 61.4 9.50 s 4 600 7100
60 68 20 K60X68X20H 41.8 79.2 12.6 s 4 600 7100
60 68 23 K60X68X23H 49.0 97.2 15.4 s 4 600 7100
60 68 25 K60X68X25 51.6 104 16.3 s 4 600 7100
60 68 30 K60X68X30ZW 46.4 90.1 13.9 s 4 600 7100
63 63 71 20 K63X71X20 41.4 79.4 12.7 s 4 400 6 700
64 64 70 16 K64X70X16 26.4 55.1 8.55 s 4 200 6 500
65 65 70 20 K65X70X20CH 28.6 69.2 10.8 s 4100 6 400

65 70 30 K65X70X30 44.4 123 19.1 s 4100 6 400
65 73 23 K65X73X23H 48.2 97.7 15.5 s 4 200 6 500
65 73 30 K65X73X30H 60.1 129 20.3 s 4 200 6 500
68 68 74 20 K68X74X20FH 37.5 88.1 13.2 s 4 000 6100

68 74 28 K68X74X28CH 44.8 11 O 17.1 s 4 000 6100
68 74 30 K68X74X30H 47.6 119 18.5 s 4 000 6100
68 74 35 K68X7 4X35HZW 45.1 111 17.1 s 4 000 6100
68 76 20 K68X76X20 43.8 87.8 14.0 s 4 000 6 200
B402

-----------------Koyo
---------------=¾f
- - - - - :1·i / - - - -· rpSrpH
'' ''
'' ''
' '
'''
'' ''
(Refer.) (mm)
(kg)
max. min. max. min.
0.072 55.000 54.987 63.029 63.010

0.080 55.000 54.987 63.029 63.010
0.108 55.000 54.987 63.029 63.010
0.037 58.000 57.987 63.029 63.010

0.037 58.000 57.987 64.029 64.010
0.058 58.000 57.987 65.029 65.010
0.046 60.000 59.987 65.029 65.010

0.059 60.000 59.987 65.029 65.010
0.085 60.000 59.987 65.029 65.010
0.070 60.000 59.987 65.029 65.010
0.066 60.000 59.987 68.029 68.010
0.066 60.000 59.987 68.029 68.010
0.089 60.000 59.987 68.029 68.010
0.091 60.000 59.987 68.029 68.010
0.119 60.000 59.987 68.029 68.010
0.070 63.000 62.987 71.029 71.010
0.049 64.000 63.987 70.029 70.010
0.050 65.000 64.987 70.029 70.010

0.075 65.000 64.987 70.029 70.010
0.091 65.000 64.987 73.029 73.010
0.116 65.000 64.987 73.029 73.010
0.062 68.000 67.987 74.029 74.010

0.082 68.000 67.987 74.029 74.010
0.098 68.000 67.987 74.029 74.010
0.120 68.000 67.987 74.029 74.010
0.086 68.000 67.987 76.029 76.010
8403


metric series
K, K ZW series
Shaft dia. 70 - 95 mm
f Fw - - - - Fw - - - - - - -
n-f
K KZW

Shaft
dia. -0.55 Cu lub.
70 70 76 20 K70X76X20 36.1 84.7 13.5 s 3 900 5 900

70 76 30 K70X76X30 51.6 134.0 20.9 s 3 900 5 900
70 78 20 K70X78X20H 43.6 87.9 14.0 s 3 900 6 000
70 78 23 K70X78X23F 49.8 104.0 16.6 s 3 900 6 000
70 78 24.8 K70X78X25F 49.8 104.0 16.6 s 3 900 6 000
70 78 30 K70X78X30H 62.2 139.0 21.8 s 3 900 6 000
70 78 46 K70X78X46ZW 78.4 187.0 29.5 s 3 900 6 000
70 85 40 K70X85X40F 118 203 32.4 s 4100 6 300
70 88 30 K70X88X30H 115 175 28.1 s 4100 6 400
72 72 80 20 K72X80X20 44.4 90.7 14.5 s 3 800 5 800
73 73 79 20 K73X79X20 37.0 88.7 14.1 s 3 700 5 700
75 75 81 20 K75X81X20F 37.4 90.7 14.5 s 3 600 5 500

75 83 23 K75X83X23 52.5 114.0 18.2 s 3 600 5 600
75 83 30 K75X83X30 60.9 138 21.7 s 3 600 5 600
75 83 30 K75X83X30FH 60.9 138 21.7 s 3 600 5 600
80 80 86 20 K80X86X20H 38.6 96.7 15.4 s 3 400 5 200

80 88 25 K80X88X25FV1 54.0 121 19.2 s 3 400 5 200
80 88 30 K80X88X30 67.5 161 25.4 s 3 400 5 200
85 85 92 20 K85X92X20H 39.9 91.7 14.6 s 3 200 4 900

85 93 25 K85X93X25F 58.8 138 21.7 s 3 200 4 900
85 93 30 K85X93X30H 69.4 170.4 26.8 s 3 200 4 900
90 90 97 20 K90X97X20 46.3 114 18.1 s 3 000 4 600

90 98 25 K90X98X25F 54.8 128 20.3 s 3 000 4 600
90 98 30 K90X98X30 63.6 155 24.3 s 3 000 4 600
95 95 103 20 K95X103X20 49.3 114 18.3 s 2 800 4 400

95 103 30 K95X103X30F 71.0 183 28.6 s 2 800 4 400
B404

-----------------Koyo
---------------=¾f
- - - - - :1·i / - - - -· rpSrpH
'' ''
'' ''
' '
'''
'' ''
(Refer.) (mm)
(kg)
max. min. max. min.
0.065 70.000 69.987 76.029 76.010

0.097 70.000 69.987 76.029 76.010
0.090 70.000 69.987 78.029 78.010
0.115 70.000 69.987 78.029 78.010
0.115 70.000 69.987 78.029 78.010
0.140 70.000 69.987 78.029 78.010
0.188 70.000 69.987 78.029 78.010
0.338 70.000 69.987 85.034 85.012
0.205 70.000 69.987 88.034 88.012
0.084 72.000 71.987 80.029 80.010
0.068 73.000 72.987 79.029 79.010
0.075 75.000 74.987 81.034 81.012

0.104 75.000 74.987 83.034 83.012
0.141 75.000 74.987 83.034 83.012
0.141 75.000 74.987 83.034 83.012
0.072 80.000 79.987 86.034 86.012

0.134 80.000 79.987 88.034 88.012
0.153 80.000 79.987 88.034 88.012
0.085 84.988 84.973 92.034 92.012

0.128 84.988 84.973 93.034 93.012
0.166 84.988 84.973 93.034 93.012
0.095 89.988 89.973 97.034 97.012

0.134 89.988 89.973 98.034 98.012
0.168 89.988 89.973 98.034 98.012
0.130 94.988 94.973 103.034 103.012

0.180 94.988 94.973 103.034 103.012
8405


metric series
K, K ZW series
Shaft dia. 100 ---- 110 mm
f Fw - - - - Fw - - - - - - -
n -f
K KZW

Be Bearing No. (kN) material 1>
Shaft Grease
dia. -0.55 Cu lub.
100 100 108 30 K100X108X30 72.4 191 29.5 s 2 700 4 200
110 110 118 24 K110X118X24 64.0 168 25.6 s 2 400 3 800

110 118 30 K110X118X30H 75.3 207 31.2 s 2 400 3 800
B406

-----------------Koyo
---------------=¾f
- - - - - :1·i / - - - -· rpSrpH
'' ''
'' ''
' '
'''
'' ''
(Refer.) (mm)
(kg)
max. min. max. min.
0.210 99.988 99.973 108.034 108.012
0.165 109.988 109.973 118.034 118.012

0.200 109.988 109.973 118.034 118.012
8407


single-row assemblies
inch series
Shaft dia. 3/ 8 - (1 ½) in Lw
(9.525 - (38.100) mm) 1• '1
Fw - - - -
WJ, WJC
ü
(mm) (kN) load limit (min-1 )
Shaft dia. Be Bearing No. (kN) Grease
Fw Ew +O Cr Cor Oil lub.
(in) -0.38 Cu lub.
31a 9.525 12.700 9.53 WJC-060806 3.87 4.00 0.600 24 000 37 000
1/2 12.700 15.875 12.70 WJC-081008 6.23 8.01 1.65 23 000 35 000
9/16 14.288 17.463 12.70 WJC-091108 6.81 9.25 1.40 22 000 34 000
5/s 15.875 19.050 12.70 WJC-101208 7.03 9.96 1.50 18 000 27 000
15.875 22.225 15.88 WJ-101410 15.6 17.8 2.80 19 000 29 000
15.875 22.225 22.23 WJ-101414 21.3 26.4 4.10 19 000 29 000
¾ 19.050 25.400 25.40 WJ-121616 26.8 37.2 5.80 16 000 24 000
13/16 20.638 26.988 22.23 WJ-131714 25.1 35.0 5.50 14 000 22 000
7/s 22.225 28.575 25.40 WJ-141816 29.2 43.5 6.75 13 000 20 000
1 25.400 33.338 19.05 WJ-162112 28.1 37.1 5.90 12 000 18 000

25.400 33.338 25.40 WJ-162116 36.8 52.5 8.20 12 000 18 000
25.400 33.338 31.75 WJ-162120 44.5 67.2 10.5 12 000 18 000
11/s 28.575 38.100 25.40 WJ-182416 42.4 57.8 9.05 10 000 16 000
28.575 38.100 31.75 WJ-182420 52.0 74.7 11.7 10 000 16 000
1¼ 31.750 41.275 19.05 WJ-202612 33.4 43.7 7.05 9 300 14 000

31.750 41.275 25.40 WJ-202616 44.1 62.3 9.80 9 300 14 000
31.750 41.275 31.75 WJ-202620 53.8 81.0 12.6 9 300 14 000
31.750 41.275 38.10 WJ-202624 63.6 99.6 15.6 9 300 14 000
13/s 34.925 44.450 25.40 WJ-222816 45.8 67.2 10.5 8 300 13 000
34.925 44.450 31.75 WJ-222820 56.0 87.2 13.6 8 300 13 000
1½ 38.100 47.625 25.40 WJ-243016 47.2 71.6 11.3 7 600 12 000

38.100 47.625 31.75 WJ-243020 57.8 93.0 14.5 7 600 12 000
[Remarks] 1) Load ratings are based on a mínimum raceway hardness of 58 HRC or equivalent.
2) Mínimum axial clearance should be 0.02 mm (0.008 in).
B408

-----------------Koyo
h5 G6
(mm) (Refer.)
Shaft dia. (h5) Housing bore dia. (G6) Mass
(kg)
max. min. max. min.
9.525 9.520 12.715 12.705 0.003
12.700 12.692 15.890 15.880 0.005
14.288 14.280 17.478 17.468 0.006
15.875 15.867 19.070 19.058 0.006

15.875 15.867 22.245 22.233 0.012
15.875 15.867 22.245 22.233 0.017
19.050 19.040 25.420 25.408 0.023
20.638 20.627 27.008 26.995 0.021
22.225 22.215 28.595 28.583 0.026
25.400 25.390 33.363 33.348 0.029

25.400 25.390 33.363 33.348 0.038
25.400 25.390 33.363 33.348 0.048
28.575 28.565 38.125 38.110 0.041

28.575 28.565 38.125 38.110 0.065
31.750 31.740 41.300 41.285 0.043

31.750 31.740 41.300 41.285 0.061
31.750 31.740 41.300 41.285 0.071
31.750 31.740 41.300 41.285 0.085
34.925 34.915 44.475 44.460 0.067

34.925 34.915 44.475 44.460 0.077
38.100 38.090 47.650 47.635 0.078

38.100 38.090 47.650 47.635 0.083
8409


inch series
Shaft dia. (1 ½) - 3 in Lw
((38.100) - 76.200 mm) 1• '1
Fw - - - -
WJ, WJC
ü
(in) -0.38 Cu lub.
1½ 38.100 47.625 38.10 WJ-243024 68.1 114.8 18.0 7 600 12 000

38.100 47.625 44.45 WJ-243028 77.4 135.7 21.2 7 600 12 000
1% 44.450 53.975 19.05 WJ-283412 39.5 59.6 9.60 6 400 9 900

44.450 53.975 25.40 WJ-283416 52.0 85.0 13.4 6 400 9 900
44.450 53.975 38.10 WJ-283424 74.7 136 21.3 6 400 9 900
2 50.800 60.325 19.05 WJ-323812 42.8 69.0 11.1 5 600 8 600

50.800 60.325 25.40 WJ-323816 56.5 98.0 15.5 5 600 8 600
50.800 60.325 31.75 WJ-323820 69.0 127 20.0 5 600 8 600
50.800 60.325 38.10 WJ-323824 81.0 157 24.6 5 600 8 600
2 1/16 52.388 61.913 25.40 WJ-333916 57.8 102 16.2 5 400 8 300
21/s 53.975 63.500 25.40 WJ-344016 52.5 92.08 14.6 5 200 8 000
53.975 63.500 38.10 WJ-344024 78.3 153 24.0 5 200 8 000
2 3/15 55.563 65.088 19.05 WJ-354112 44.5 75.17 12.2 5 000 7 800
55.563 65.088 25.40 WJ-354116 57.8 107 16.9 5 000 7 800
2¼ 57.150 66.675 25.40 WJ-364216 53.8 96.08 15.2 4 900 7 500

57.150 66.675 31.75 WJ-364220 67.6 128 20.1 4 900 7 500
23/s 60.325 69.850 38.10 WJ-384424 81.4 167 26.1 4 600 7100
2½ 63.500 73.025 25.40 WJ-404616 55.6 104 16.5 4 400 6 700

63.500 73.025 31.75 WJ-404620 69.8 139 21.8 4 400 6 700
63.500 73.025 38.10 WJ-404624 83.2 173 27.2 4 400 6 700
2% 69.850 79.375 25.40 WJ-445016 57.8 112.54 17.8 4 000 6100
3 76.200 85.725 25.40 WJ-485416 59.6 120.55 19.1 3 600 5 600

76.200 85.725 38.10 WJ-485424 85.4 191.72 29.9 3 600 5 600
[Remarks] 1) Load ratings are based on a mínimum raceway hardness of 58 HRC or equivalent.
B410

-----------------Koyo
h5 G6
(mm) (Refer.)
(kg)
max. min. max. min.
38.100 38.090 47.650 47.635 0.100

38.100 38.090 47.650 47.635 0.134
44.450 44.440 54.003 53.985 0.058

44.450 44.440 54.003 53.985 0.084
44.450 44.440 54.003 53.985 0.115
50.800 50.787 60.353 60.335 0.065

50.800 50.787 60.353 60.335 0.105
50.800 50.787 60.353 60.335 0.108
50.800 50.787 60.353 60.335 0.130
52.388 52.375 61.940 61.923 0.099
53.975 53.962 63.528 63.510 0.089

53.975 53.962 63.528 63.510 0.137
55.563 55.550 65.115 65.098 0.070

55.563 55.550 65.115 65.098 0.094
57.150 57.137 66.703 66.685 0.096

57.150 57.137 66.703 66.685 0.120
60.325 60.312 69.878 69.860 0.151
63.500 63.487 73.053 73.035 0.106

63.500 63.487 73.053 73.035 0.132
63.500 63.487 73.053 73.035 0.179
69.850 69.837 79.403 79.385 0.116
76.200 76.187 85.761 85.738 0.126

76.200 76.187 85.761 85.738 0.189
8411


inch series
Shaft dia. 3 ¼ --- 5 in Lw
(82.550 --- 127 .000 mm) 1• '1
Fw - - - -
WJ, WJC
ü
(in) -0.38 Cu lub.
3¼ 82.550 92.075 25.40 WJ-525816 61.4 128.55 20.4 3 300 5100

82.550 92.075 38.10 WJ-525824 88.1 204.62 31.9 3 300 5100
3 1/2 88.900 98.425 25.40 WJ-566216 63.2 136.56 21.7 3100 4 700
88.900 101.600 25.40 WJ-566416 79.6 150.35 23.9 3100 4 800
88.900 101.600 38.10 WJ-566424 113 237.53 37.4 3100 4 800
4 101.600 114.300 25.40 WJ-647216 83.6 166.59 30.9 2 700 4 200

101.600 114.300 38.10 WJ-647224 119 263.33 40.6 2 700 4 200
5 127.000 152.400 38.10 WJ-809624 211 365.20 51.9 2 200 3 400
[Remarksl 1) Load ratings are based on a mínimum raceway hardness of 58 HRC or equivalent.
B 412

-----------------Koyo
h5 G6
(mm) (Refer.)
(kg)
max. min. max. min.
82.550 82.535 92.111 92.088 0.136

82.550 82.535 92.111 92.088 0.220
88.900 88.885 98.461 98.438 0.146

88.900 88.885 101.636 101.613 0.197
88.900 88.885 101.636 101.613 0.296
101.600 101.585 114.336 114.313 0.224

101.600 101.585 114.336 114.313 0.335
127.000 126.982 152.438 152.415 1.018
B 413

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https://rodavigo.

net/es/c/rodamientos/f/koyo +34 986 288118

Polígono Industrial O Rebullón s/n. 36416 - Mos - España - rodavigo@rodavigo.com

Needle roller bearings are small in sectional height, there-

*Compact, highly rigid and superior in load carrying perfor- F9

*Widely employed in stud type and yoke type track rollers

Miniature one-way clutches

Polígono Industrial O Rebullón s/n. 36416 - Mos - España - rodavigo@rodavigo.com

Table 1 (1) Types of needle roller bearing

K.BE BE, GS VE, VS P

(2) Drawn Cup Needle Roller Bearings

lnch Series (Caged}

B,BH M-1, MH-1 y GB,GBH

Polígono Industrial O Rebullón s/n. 36416 - Mos - España - rodavigo@rodavigo.com

(3) Drawn Cup Roller Clutches

NKJ NQI NKJ.NKJS NA69 NA49RS NA49.2RS NAO +SNSH

(Without lnner Ring)

NK NQ NK.NKS RNA69 NKTN

Sealed Without Flanges

(Full Complement) lnch Series (Without lnner Ring) lnner Rings

NA RNA HJ HJ-RS HJ-.2RS

Polígono Industrial O Rebullón s/n. 36416 - Mos - España - rodavigo@rodavigo.com

Table 1 (2) Types of needle roller bearing

KRV KRV.DZ GC16-90/GCL 16-90

Small Series Light Series Cylindrical Rollers

GC10-15/GCL10-15 GCU,GCUL GCUR,GCURL NUKR NUKR.DZ

(Caged, Without End Washers) (Caged, With End Washers)

NA22.2RS NA22.2RS.DZ NATR NATR.DZ STO.ZZ STO.ZZ.DZ

(Full Complement, With End Washers) - - - ~

Polígono Industrial O Rebullón s/n. 36416 - Mos - España - rodavigo@rodavigo.com

ID lii 10 bl liil 001 lía DI]

NTA NTH NTHA

(7) Combined Needle Roller Bearings

(Drawn Cup, Without lnner Ring)

(8) Needle Rollers, Accessories

IM IMC IM ... R6 BIC BICG BIG,BIK,BIP SNSH

Polígono Industrial O Rebullón s/n. 36416 - Mos - España - rodavigo@rodavigo.com

[Tolerances of needle roller bearings]

Nominal Needle roller complement

[Remark] Values in ltalics are prescribed in JTEKT

Polígono Industrial O Rebullón s/n. 36416 - Mos - España - rodavigo@rodavigo.com

Polígono Industrial O Rebullón s/n. 36416 - Mos - España - rodavigo@rodavigo.com

(2) Outer ring

over I up to upper I lower upper I lower upper I lower max. max.

[Note] 1) Shall be applied when locating snap ring is not fitted.

Polígono Industrial O Rebullón s/n. 36416 - Mos - España - rodavigo@rodavigo.com

Radial runout of assembled Ring width variation

class O class 6 class 5 class 5 class O, 6, 5 class OIclass 6 class 5

Polígono Industrial O Rebullón s/n. 36416 - Mos - España - rodavigo@rodavigo.com

Polígono Industrial O Rebullón s/n. 36416 - Mos - España - rodavigo@rodavigo.com

(1) Bore diameter Unit: mm (2) Outside diameter Unit: mm

Polígono Industrial O Rebullón s/n. 36416 - Mos - España - rodavigo@rodavigo.com

Nominal Tolerance class PO Tolerance class PG Tolerance class P5

Nominal outside Tolerance class PO Tolerance class PG Tolerance class P5

Polígono Industrial O Rebullón s/n. 36416 - Mos - España - rodavigo@rodavigo.com

Needle roller Deviations Tolerance

Table 17 Tolerance for inch series

Nominal bore diameter