GRID COUPLING

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Selection Procedure

Standard Selection Method Standard Selection Example:

The standard selection method can be used for most Select a coupling to connect a 75 hp, 1750 rpm electric
motor, turbine, or engine driven applications. The motor driving a lobe type blower. Motor shaft diameter is
following information is required to select a flexible 2.375”, blower shaft diameter is 1.750”. Shaft extensions
coupling: are 5.375” and 4.500”. Selection is replacing a gear type
T Horsepower or torque. coupling with a .125” gap.
T Running rpm.
T Application or type of equipment to be connected 1. DETERMINE REQUIRED RATING:
(motor to pump, gear drive to conveyor, etc.).
System Torque (lb - in) = 75 HP x 63,000 =2700
T Shaft diameters
1750
T Shaft gaps
T Physical space limitations. 2. SERVICE FACTOR:
T Special bore or finish information and type of fit. From Table 4 for lobe type blower S.F. = 1.25

3. Find Design Hp:

1. RATING:
Determine system torque. If torque is not given, 1.25x75=93.75hp
calculate as shown below:
4. REQUIRED MINIMUM COUPLING RATING:
HP x 63,000
System Torque (lb - in) = RPM 1.25 X 2700 lb-in = 3375 lb-in
Where horsepower is the actual or transmitted power
required by the application (if unknown, use the motor 5. SIZE:
or turbine nameplate rating) and rpm is the actual From M- 2, A Size 1050T is the proper selection
speed the coupling is rotating. Applications that based on a hp rating of 107hp exceeding the required
require rapid changes in direction or torque reversals minimum coupling hp rating of 93.75hp.
should be referred to Powerdrive Engineering.
6. CHECK:
2. SERVICE FACTOR: Allowable speed capacity of 4125rpm (T10) exceeds
Determine appropriate service factor from Table 4, the required speed of 1750 rpm. Maximum bore
M- 4. capacity of 2.500” that we can not find in size 1050T so
we have to choose 1070T size. So selected size will
3. Find Design Hp: be 1070T.
Determine the Design Hp rating as shown below. Table-1
Coupling HP per 100 Torque Allowable Speeds - rpm
Design Hp = S.F. x Actual Hp Size rpm Rating T10 T20
(lb-in)
1020T 0.73 460 4500 6000
4. REQUIRED MINIMUM COUPLING RATING: 1030T 2.09 1,320 4500 6000
Determine the required minimum coupling rating as 1040T 3.49 2,200 4500 6000
shown below: 1050T 6.11 3,850 4500 6000
1060T 9.60 6,050 4350 6000
1070T 14.00 8,800 4125 5500
Minimum Coupling Rating = S.F. x Torque (lb-in) 1080T 28.80 18,150 3600 4750
1090T 52.40 33,000 3600 4000
5. TYPE: 1100T 88.10 55,550 2440 3250
1110T 131.00 82,500 2250 3000
select the coupling T-10 Or T-20 which is suitable for 1120T 192.00 121,000 2025 2700
your application. 1130T 279.00 176,000 1800 2400
1140T 401.00 253,000 1650 2200
1150T 559.00 352,000 1500 2000
6. SIZE: 1160T 785.00 495,000 1350 1750
Refer to Table 2 & 3 - trace horizontally form the 1170T 1047.00 660,000 1225 1600
required speed to a Hp value equal to or larger than 1180T 1452.00 915,200 1100 1400
determined in 3 step. Read the coupling size at a top 1190T 1920.00 1,210,000 1050 1300
1200T 2618.00 1,650,000 900 1200
of column. 1210T 3491.00 2,200,000 820 .
1220T 4712.00 2,970,000 730 .
7. CHECK: 1230T 6109.00 3,850,000 680 .
1240T 7854.00 4,950,000 630 .
Check speed (rpm), bore, gap, dimensions and 1250T 10472.00 6,600,000 580 .
1260T 13090.00 8,250,000 540 .
M-1
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Coupling Selection... Based on Equivalent hp Ratings

Table-2
1020T 1030T 1040T 1050T 1060T 1070T 1080T 1090T 1100T 1110T 1120T 1130T
Max Bore (in) 1.125 1.375 1.625 1.875 2.125 2.5 3 3.5 4 4.500 5 6
Max Speed T10 4500rpm 4500 rpm 4500rpm 4500 rpm 4350rpm 4125rpm 3600rpm 3600rpm 2440rpm 2025rpm 2025rpm 1800rpm
Max Speed T20 6000rpm 6000 rpm 6000rpm 6000rpm 6000rpm 5500rpm 4750 rpm 4000 rpm 3250 rpm 3000rpm 2700rpm 2400rpm
Torque (lb-in) 460 1320 2200 6050 6050 8,800 33,000 33,000 55,550 82,500 1,21,000 176000
HP/10rpm 0.73 2.09 3.49 9.60 9.6 14 52.4 52.4 88.1 131 192 279
RPM HP Ratings
4500 32.80 94.20 157.00 275.00 432.00 628.00 1296.00
3600 26.30 75.40 126.00 220.00 346.00 503.00 1037.00 1885.00
3000 21.90 62.80 105.00 183.00 288.00 419.00 864.00 1571.00 2644.00 3927.00
2500 18.20 52.40 87.00 153.00 240.00 349.00 720.00 1309.00 2203.00 3273.00 3456.00
2100 15.30 44.00 73.30 128.00 202.00 293.00 605.00 1100.00 1851.00 2749.00 3456.00 5864.00
1800 13.10 37.70 62.80 110.00 173.00 251.00 518.00 942.00 1587.00 2356.00 3456.00 5027.00
1750 12.80 36.70 61.10 107.00 168.00 244.00 504.00 916.00 1542.00 2291.00 3360.00 4887.00
1450 10.60 30.40 50.60 89.00 139.00 202.00 418.00 759.00 1278.00 1898.00 2784.00 4049.00
1170 8.50 24.50 40.80 71.50 112.00 163.00 337.00 613.00 1031.00 1532.00 2246.00 3267.00
1000 7.30 20.90 34.90 61.10 96.00 140.00 288.00 524.00 881.00 1309.00 1920.00 2793.00
870 6.30 18.20 30.40 53.10 84.00 121.00 251.00 456.00 767.00 1139.00 1670.00 2430.00
720 5.30 15.10 25.10 44.00 69.00 101.00 207.00 377.00 635.00 942.00 1382.00 2011.00
650 4.70 13.60 22.70 39.70 62.40 91.00 187.00 340.00 573.00 851.00 1248.00 1815.00
580 4.20 12.10 20.20 35.40 55.70 81.00 167.00 304.00 511.00 759.00 1114.00 1620.00
520 3.80 10.90 18.20 31.80 49.90 73.00 150.00 272.00 458.00 681.00 998.00 1452.00
420 3.10 8.80 14.70 25.70 40.30 59.00 121.00 220.00 370.00 550.00 806.00 1173.00
350 2.60 7.30 12.20 21.40 33.60 49.00 101.00 183.00 308.00 458.00 672.00 977.00
280 2.00 5.90 9.80 17.10 26.90 39.10 81.00 147.00 247.00 367.00 538.00 782.00
230 1.70 4.80 8.00 14.00 22.10 32.10 66.00 120.00 203.00 301.00 442.00 642.00
190 1.40 4.00 6.60 11.60 18.20 26.50 55.00 99.00 167.00 249.00 365.00 531.00
155 1.10 3.20 5.40 9.50 14.90 21.60 44.60 81.00 137.00 203.00 298.00 433.00
125 0.90 2.60 4.40 7.60 12.00 17.50 36.00 65.00 110.00 164.00 240.00 349.00
100 0.73 2.10 3.50 6.10 9.60 14.00 28.80 52.00 88.00 131.00 192.00 279.00
84 0.61 1.80 2.90 5.10 8.10 11.70 24.20 44.00 74.00 110.00 161.00 235.00
68 0.50 1.40 2.40 4.20 6.50 9.50 19.60 35.60 60.00 89.00 131.00 190.00
56 0.41 1.17 2.00 3.40 5.40 7.80 16.10 29.30 49.00 73.00 108.00 156.00
45 0.33 0.94 1.60 2.70 4.30 6.30 13.00 23.60 39.70 59.00 86.00 126.00
37 0.27 0.77 1.30 2.30 3.60 5.20 10.70 19.40 32.60 48.40 71.00 103.00
30 0.22 0.63 1.00 1.80 2.90 4.20 8.60 15.70 26.40 39.30 58.00 84.00
25 0.18 0.52 0.90 1.50 2.40 3.50 7.20 13.10 22.00 32.70 48.00 70.00
20 0.15 0.42 0.70 1.20 1.90 2.80 5.80 10.50 17.60 26.20 38.40 56.00
16.5 0.12 0.35 0.58 1.00 1.60 2.30 4.80 8.60 14.50 21.60 31.70 46.10
13 0.10 0.27 0.45 0.79 1.20 1.80 3.70 6.80 11.50 17.00 25.00 36.30
11 0.08 0.23 0.38 0.67 1.10 1.50 3.20 5.80 9.70 14.40 21.10 30.70
9 0.07 0.19 0.31 0.55 0.86 1.30 2.60 4.70 7.90 11.80 17.30 25.10
7.5 0.06 0.16 0.26 0.46 0.72 1.00 2.20 3.90 6.60 9.80 14.40 20.90
5 0.04 0.10 0.17 0.31 0.48 0.70 1.40 2.60 4.40 6.50 9.60 14.00

Ratings apply to Type T20 only

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Coupling Selection... Based on Equivalent hp Ratings (Continued)

Table 3
1140T 1150T 1160T 1170T 1180T 1190T 1200T 1210T 1220T 1230T 1240T 1250T
M a x . Bore (in.) 7.25 8 9 10 11 12 13 14 15 16 17 18.5
M a x Spe e d T10 1650 rpm 1500 rpm 1350 rpm 1225 rpm 1100 rpm 1050 rpm 900 rpm 820 rpm 730 rpm 680 rpm 630 rpm 580 rpm
M a x . Spe e d T20 2200 rpm 2000 rpm 1750 rpm 1600 rpm . . . . . . . . . . . . . . . . . . . . . . . .
Torque (lb-in.) 253000 352000 495000 660000 915200 1210000 1,650,000 2200000 2970000 3850000 4950000 6600000
HP / 100 rpm 401 559 785 1047 1452 1920 2618 3491 4712 6109 7854 10472
RPM HP RATING
2100 8430
1800 7226 10053
1750 7025 9774 13745
1450 5821 8098 11388 15184
1170 4697 6535 9189 12252
1000 4014 5585 7854 10472 14521 19199
870 3492 4859 6833 9111 12633 16703 22777
720 2890 4021 5655 7540 10455 13823 18850 25133 33929
650 2609 3630 5105 6807 9439 12479 17017 22689 30631 39706
580 2328 3239 4555 6074 8422 11135 15184 20246 27332 35430 45553 60738
520 2087 2904 4084 5445 7551 9983 13614 18152 24505 31765 40841 54455
420 1686 2346 3299 4398 6099 8063 10996 14661 19792 25656 32987 43983
350 1405 1955 2749 3665 5082 6720 9163 12217 16493 21380 27489 36652
280 1124 1564 2199 2932 4066 5376 7330 9774 13195 17104 21991 29322
230 923 1285 1806 2409 3340 4416 6021 8029 10839 14050 18064 24086
190 763 1061 1492 1990 2759 3648 4974 6632 8954 11607 14923 19897
155 622 866 1217 1623 2251 2976 4058 5411 7304 9468 12174 16232
125 502 698 982 1309 1815 2400 3273 4363 5891 7636 9818 13090
100 401 559 785 1047 1452 1920 2618 3491 4712 6109 7854 10472
84 337 469 660 880 1220 1613 2199 2932 3958 5131 6597 8797
68 273 380 534 712 987 1306 1780 2374 3204 4154 5341 7121
56 225 313 440 586 813 1075 1466 1955 2639 3421 4398 5864
45 181 251 353 471 653 864 1178 1571 2121 2749 3534 4712
37 149 207 291 387 537 710 969 1292 1744 2260 2906 3875
30 120 168 236 314 436 576 785 1047 1414 1833 2356 3142
25 100 140 196 262 363 480 655 873 1178 1527 1964 2618
20 80 112 157 209 290 384 524 698 942 1222 1571 2094
16.5 66 92 130 173 240 317 432 576 778 1008 1296 1728
13.5 54 75 106 141 196 259 353 471 636 825 1060 1414
11 44.2 61 86 115 160 211 288 384 518 672 864 1152
9 36.1 50 71 94 131 173 236 314 424 550 707 942
7.5 30.1 42 59 79 109 144 196 262 353 458 589 785
5 20.1 27.9 39 52 73 96 131 175 236 305 393 524

Ratings apply to Type T20 only

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Service Factor

Table - 4
AERATOR .......................................... 2.0 Welder Load .................................... 2.0
AGITATORS HAMMERMILL................................... 1.75
Vertical and Horizontal LAUNDRY WASHER OR
Screw, Propeller, Paddle .............. .1.0 TUMBLER ....................................... 2.0
BARGE HAUL PULLER ...................... 1.5 LINE SHAFTS
BLOWERS Any Processing Machinery ...............1.5
Centrifugal ...................................... 1.0 MACHINE TOOLS
Lobe or Vane ................................... 1.25 Auxiliary and Traverse Drive ............ 1.0
CAR DUMPERS ................................. 2.5 Bending Roll, Notching Press,
CAR PULLERS.................................... 1.5 Punch Press, Planer, Plate
CLARIFIER OR CLASSIFIER .............. 1.0 Reversing .................................. 1.75
COMPRESSORS Main Drive....................................... 1.5
Centrifugal ..................................... .1.0 MAN LIFTS ....................... Not Approved
Rotary, Lobe or Vane........................ 1.25 METAL FORMING MACHINES
Rotary, Screw ...................................1.0 Continuous Caster......................... 1.75
Reciprocating Draw Bench Carriage and
Direct Connected .................Refer to Factory Main Drive ................................... 2.0
Without Flywheel ..................Refer to Factory Extruder ........................................... 2.0
With Flywheel and Gear between Compressor Farming Machine and
and Prime Mover Forming Mills ............................... 2.0
1 cylinder, single acting............. 3.0 Slitters ............................................. 1.0
1 cylinder, double acting ........... 3.0 Wire Drawing or Flattening............... 1.75
2 cylinders, single acting ........... 3.0 Wire Winder .................................... 1.5
2 cylinders, double acting ......... 3.0 Coilers and Uncoilers....................... 1.5
3 cylinders, single acting ........... 3.0 MIXERS (see Agitators)
3 cylinders, double acting ......... 2.0 Concrete ......................................... 1.75
4 or more cly., single act........... 1.75 Muller.............................................. 1.5
4 or more cyl., double act. ........ 1.75 PRESS, PRINTING ............................. 1.5
CONVEYORS PUG MILL .......................................... 1.75
Apron, Assembly, Belt, Chain, PULVERIZERS
Flight, Screw................................. 1.0 Hammermill and Hog....................... 1.75
Bucket ............................................. 1.25 Roller............................................... 1.5
Live Roll, Shaker and PUMPS
Reciprocating ............................... 3.0 Boiler Feed ...................................... 1.5
CRANES AND HOIST Centrifugal —
Main Hoist................................... 1.75 Constant Speed ............................ 1.0
Skip Hoist.................................... 1.75 Frequent Speed Changes
Slope............................................... 1.5 under Load ............................... 1.25
Bridge, Travel or Trolley ................... 1.75 Descaling, with accumulators ...........1.25
DYNAMOMETER............................... 1.0 Gear, Rotary, or Vane ...................... 1.25
ELEVATORS Reciprocating, Plunger Piston
Bucket, Centrifugal Discharge .......... 1.25 1 cyl., single or double act............ 3.0
Freight or Passenger .............Not Approved 2 cyl., single acting....................... 2.0
Gravity Discharge ............................ 1.25 2 cyl., double acting ..................... 1.75
ESCALATORS ................... Not Approved 3 or more cylinders....................... 1.5
EXCITER, GENERATOR..................... 1.0 Screw Pump, Progressing Cavity ...........1.25
EXTRUDER, PLASTIC......................... 1.5 Vacuum Pump ..................................... 1.25
FANS SCREENS
Centrifugal ...................................... 1.0 Air Washing ..................................... 1.0
Cooling Tower ................................. 2.0 Grizzly ............................................. 2.0
Forced Draft — Across the Rotary Coal or Sand......................... 1.5
Line start ...................................... 1.5 Vibrating.......................................... 2.5
Forced Draft Motor Water .............................................. 1.0
Driven thru fluid or SKI TOWS & LIFTS ............Not Approved
electric slip clutch ........................ 1.0 STEERING GEAR............................... 1.0
Gas Recirculating............................. 1.5 STOKER ............................................. 1.0
Induced Draft with damper TIRE SHREDDER................................ 1.50
control or blade cleaner................ 1.25 TUMBLING BARREL .......................... 1.75
Induced Draft without controls .......... 2.0 WINCH, MANEUVERING
FEEDERS Dredge, Marine ............................... 1.5
Apron, Belt, Disc, Screw ................... 1.0 WINDLASS........................................ 1.5
Reciprocating.................................. 2.5 WOODWORKING
GENERATORS MACHINERY.................................. 1.0
Even Load........................................ 1.0 WORK LIFT PLATFORMS...Not Approved
Hoist or Railway Service ................... 1.5

M-4
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Grid Coupling TYPE T10

GRID
A F A
HUB
SIZES 1020 - 1140 SIZES 1150 - 1200
J

S GAP
A C C F A A
D SIZES 1210 - 1230 SIZES 1240 - 1260

Sizes 1020 thru 1230T10 covers are cast aluminum alloy; Sizes
1240 thru 1260T10 are fabricated steel.

Type HD size range is from 1070-1140 as shown in shared areas

below. Covers are powder-coated and seals are Nitrile
.
LUBE
PLUGS
J

Table-5
Torque Allow Cplg Wt
DIMENSIONS—INCHES
SIZE Rating Speed Max Min With No Lube Wt
(lb-in) rpm Bore Bore Bore-lb lb A B C D F J S GAP
1020T 460 4500 1.125 0.500 4.2 0.06 3.82 3.88 1.88 1.56 . 2.62 1.54 0.125
1030T 1,320 4500 1.375 0.500 5.7 0.09 4.16 3.88 1.88 1.94 . 2.69 1.54 0.125
1040T 2,200 4500 1.625 0.500 7.4 0.12 4.50 4.12 2.00 2.25 . 2.75 1.58 0.125
1050T 3,850 4500 1.875 0.500 12.0 0.15 5.32 4.88 2.38 2.62 . 3.19 1.76 0.125
1060T 6,050 4350 2.125 0.750 16.0 0.19 5.82 5.12 2.50 3.00 . 3.68 2.06 0.125
1070T 8,800 4125 2.500 0.750 23.0 0.25 6.25 6.12 3.00 3.44 . 3.81 2.12 0.125
1080T 18,150 3600 3.000 1.062 39.0 0.38 7.50 7.12 3.50 4.12 . 4.55 2.54 0.125
1090T 33,000 3600 3.500 1.062 56.0 0.56 8.31 7.88 3.88 4.88 . 4.81 2.82 0.125
1100T 55,550 2440 4.000 1.625 93.0 0.94 9.88 9.69 4.75 5.59 . 6.12 . 0.125
1110T 82,500 2250 4.500 1.625 120.0 1.12 10.62 10.19 5.00 6.31 . 6.36 . 0.125
1120T 121,000 2025 5.000 2.375 179.0 1.62 12.12 12.00 5.88 7.06 . 7.54 . 0.125
1130T 176,000 1800 6.000 2.625 266.0 2.00 13.62 13.00 6.38 8.56 . 7.68 . 0.188.
1140T 253,000 1650 7.250 2.625 392.0 2.50 15.12 14.75 7.25 10.00 . 7.92 . 0.188.
1150T 352,000 1500 8.000 4.250 500.0 4.30 17.84 14.65 7.20 10.60 15.40 10.69 . 0.250
1160T 495,000 1350 9.000 4.750 681.0 6.20 19.76 15.85 7.80 12.00 17.20 10.96 . 0.250
1170T 660,000 1225 10.000 5.250 987.0 7.70 22.32 17.25 8.50 14.00 19.18 12.10 . 0.250
1180T 915,000 1100 11.000 6.000 1365.0 8.30 24.80 19.05 9.40 15.50 21.84 12.64 . 0.250
1190T 1,210,000 1050 12.000 6.000 1710.0 9.70 26.60 20.65 10.20 17.20 23.93 12.80 . 0.250
1200T 1,650,000 900 13.000 7.000 2331.0 12.40 29.80 22.25 11.00 19.60 26.00 14.00 . 0.250
1210T 2,200,000 820 14.000 7.000 3140.0 23.20 33.25 24.50 12.00 21.00 29.56 17.00 . 0.500
1220T 2,970,000 730 15.000 8.000 3935.0 35.40 36.25 26.10 12.80 22.50 32.37 19.30 . 0.500
1230T 3,850,000 680 16.000 8.000 4997.0 53.00 39.50 27.70 13.60 24.00 35.62 21.50 . 0.500
1240T 4,950,000 630 17.000 10.000 6504.0 74.50 42.80 29.50 14.50 25.50 . 25.50 . 0.500
1250T 6,600,000 580 18.500 10.000 8450.0 110.50 46.50 32.10 15.80 28.00 . 27.50 . 0.500
1260T 8,250,000 540 20.000 10.000 10322.0 148.10 49.64 34.50 17.00 30.00 . 30.00 . 0.500

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Grid Coupling TYPE T20

VERTICAL SPLIT COVER

M M CLEARANCE FOR
GRID REMOVAL

LUBE GRID
PLUGS
HUB

S GAP
C C
A F D

H H
J J
B

Table-6
Torque Allow Cplg Wt
Max Min Lube Wt DIMENSIONS—INCHES
SIZE Rating Speed With No
Bore Bore lb
(lb-in) rpm Bore-lb A B C D F H J M S GAP
1020T 460 6000 1.125 0.500 4.3 0.06 4.42 3.88 1.88 1.56 2.50 0.38 0.94 1.88 1.54 0.13
1030T 1,320 6000 1.375 0.500 5.7 0.09 4.80 3.88 1.88 1.94 2.88 0.38 0.98 1.88 1.54 0.13
1040T 2,200 6000 1.625 0.500 7.4 0.12 5.11 4.12 2.00 2.25 3.25 0.38 1.02 2.00 1.58 0.13
1050T 3,850 6000 1.875 0.500 12.0 0.15 5.86 4.88 2.38 2.62 3.88 0.47 1.20 2.38 1.76 0.13
1060T 6,050 6000 2.125 0.750 15.0 0.19 6.42 5.12 2.50 3.00 4.38 0.50 1.25 2.50 2.06 0.13
1070T 8,800 5500 2.500 0.750 23.0 0.25 6.86 6.12 3.00 3.44 4.88 0.50 1.32 2.62 2.12 0.13
1080T 18,150 4750 3.000 1.062 39.0 0.38 7.92 7.12 3.50 4.12 5.88 0.50 1.72 3.50 2.54 0.13
1090T 33,000 4000 3.500 1.062 56.0 0.56 9.17 7.88 3.88 4.88 6.62 0.50 1.85 3.75 2.82 0.13
1100T 55,550 3250 4.000 1.625 93.0 0.94 10.55 9.69 4.75 5.59 7.75 0.62 2.35 4.75 . 0.19
1110T 82,500 3000 4.500 1.625 120.0 1.12 11.30 10.19 5.00 6.31 8.50 0.63 2.47 4.88 . 0.19
1120T 121,000 2700 5.000 2.375 180.0 1.62 12.61 12.00 5.88 7.06 9.62 0.69 2.90 5.62 . 0.25
1130T 176,000 2400 6.000 2.625 270.0 2.00 14.92 13.00 6.38 8.56 11.12 0.81 2.95 5.75 . 0.25
1140T 253,000 2200 7.250 2.625 397.0 2.50 16.42 14.75 7.25 10.00 12.62 0.81 3.08 6.12 . 0.25
1150T 352,000 2000 8.000 4.250 507.0 4.30 18.75 14.65 7.20 10.60 14.72 0.76 4.21 4.21 0.25
1160T 495,000 1750 9.000 4.750 708.0 6.20 21.00 15.85 7.80 12.00 16.68 1.18 4.50 4.50 0.25
1170T 660,000 1600 10.000 5.250 988.0 7.70 23.00 17.25 8.50 14.00 18.68 1.18 4.70 4.70 0.25

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Engineering Data

W
X — HUB
Y — SHAFT

Keyway Nomenclature

Table 7 - Type T10 & T20 Hub & Flanged Hub Bore Ranges with Square & Rectangular Keys

For Two
For One Square Key For One Rectangular Key For Two Square Keys
Rectangular Key
SIZE
Min Max Y=X Max Y=X Max Y=X Max Y=X Max Y=X
Bore Bore W X Bore W X Bore W X Bore W X Bore W X
1020T 0.50 1.13 0.250 0.125 1.187 0.250 0.093 1.25 0.250 0.062 . . . . . .
1030T 0.50 1.38 0.312 0.156 1.437 0.375 0.125 1.56 0.375 0.062 . . . . . .
1040T 0.50 1.63 0.375 0.187 1.750 0.375 0.125 1.75 0.375 0.062 . . . . . .
1050T 0.50 1.88 0.500 0.250 2.000 0.500 0.187 2.13 0.500 0.125 . . . . . .
1060T 0.75 2.13 0.500 0.250 2.250 0.500 0.187 2.38 0.625 0.125 . . . . . .
1070T 0.75 2.50 0.625 0.312 2.687 0.625 0.218 2.88 0.750 0.125 . . . . . .
1080T 1.06 3.00 0.750 0.375 3.250 0.750 0.250 3.38 0.875 0.187 . . . . . .
1090T 1.06 3.50 0.875 0.437 3.750 0.875 0.312 3.88 1.000 0.250 . . . . . .
1100T 1.63 4.00 1.000 0.500 4.250 1.000 0.375 4.50 1.000 0.250 . . . . . .
1110T 1.63 4.50 1.000 0.500 4.625 1.250 0.437 5.00 1.250 0.250 . . . . . .
1120T 2.38 5.00 1.250 0.625 5.375 1.250 0.437 5.75 1.500 0.250 . . . . . .
1130T 2.63 6.00 1.500 0.750 6.500 1.500 0.500 6.50 1.500 0.250 . . . . . .
1140T 2.63 7.00 1.750 0.875 7.250 1.750 0.750 7.75 2.000 0.500 . . . . . .
1150T 4.25 7.50 1.750 0.875 8.000 2.000 0.750 . . . . . . . . .
1160T 4.75 8.50 2.000 1.000 9.000 2.000 0.750 . . . . . . . . .
1170T 5.25 9.75 2.500 1.250 10.000 2.500 0.875 . . . 10.75 1.75 0.88 11.00 1.75 0.75
1180T 6.00 10.75 2.500 1.250 11.000 2.500 0.875 . . . 12.00 1.75 0.88 12.25 2.00 0.75
1190T 6.00 11.75 3.000 1.500 12.000 3.000 1.000 . . . 13.00 2.00 1.00 13.25 2.00 0.75
1200T 7.00 12.75 3.000 1.500 13.000 3.000 1.000 . . . 14.00 2.50 1.25 14.25 2.50 0.88
1210T 7.00 13.75 3.500 1.750 14.000 3.500 1.250 . . . 15.00 2.50 1.25 15.25 2.50 0.88
1220T 8.00 14.75 3.500 1.750 15.000 3.500 1.250 . . . 16.00 2.50 1.25 16.25 3.00 1.00
1230T 8.00 15.75 4.000 2.000 16.000 4.000 1.500 . . . 17.00 3.00 1.50 17.25 3.00 1.00
1240T 10.00 16.75 4.000 2.000 17.000 4.000 1.500 . . . 18.00 3.00 1.50 18.25 3.00 1.00
1250T 10.00 18.00 4.000 2.000 18.500 5.000 1.750 . . . 19.25 3.50 1.75 19.75 3.50 1.25
1260T 10.00 19.50 5.000 2.500 20.000 5.000 1.750 . . . 20.75 3.50 1.75 21.25 3.50 1.25

All Dimensions are in inches

Metric keyways and keyway radiuses will be furnished per ISO /R773

M-7