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Extra wide, shallow taper, self-centering design for use in through-bored components with highest torque and/or bending requirements. Mounted component remains fixed axially during installation.
C425 Keyless Locking Assembly
Metric Locking Assembly
Unit of Measure
1 

Item #

Shaft Size

d

D

L

L1

L2

Mt

Fax

Weight

C425M-180x285 N/A 180 mm N/A 7.087 in N/A 11.220 in N/A 8.071 in N/A 9.094 in N/A 9.961 in N/A 167,265 ft-lbs N/A 566,471 lbs.F N/A 132.00 lb
C425M-200x305 N/A 200 mm N/A 7.874 in N/A 12.008 in N/A 8.071 in N/A 9.173 in N/A 10.039 in N/A 212,400 ft-lbs N/A 647,395 lbs.F N/A 143.00 lb
C425M-220x325 N/A 220 mm N/A 8.661 in N/A 12.795 in N/A 8.071 in N/A 9.016 in N/A 9.882 in N/A 233,566 ft-lbs N/A 647,191 lbs.F N/A 152.00 lb
C425M-240x355 N/A 240 mm N/A 9.449 in N/A 13.976 in N/A 8.189 in N/A 9.449 in N/A 10.394 in N/A 299,720 ft-lbs N/A 761,289 lbs.F N/A 190.00 lb
C425M-260x375 N/A 260 mm N/A 10.236 in N/A 14.764 in N/A 8.189 in N/A 9.449 in N/A 10.394 in N/A 365,284 ft-lbs N/A 856,450 lbs.F N/A 204.00 lb
C425M-280x405 N/A 280 mm N/A 11.024 in N/A 15.945 in N/A 8.189 in N/A 9.370 in N/A 10.315 in N/A 437,116 ft-lbs N/A 951,665 lbs.F N/A 236.00 lb
C425M-300x425 N/A 300 mm N/A 11.811 in N/A 16.732 in N/A 8.189 in N/A 9.449 in N/A 10.394 in N/A 468,386 ft-lbs N/A 951,761 lbs.F N/A 253.00 lb
C425M-320x455 N/A 320 mm N/A 12.598 in N/A 17.913 in N/A 9.843 in N/A 11.024 in N/A 12.087 in N/A 595,310 ft-lbs N/A 1,134,066 lbs.F N/A 337.00 lb
C425M-340x475 N/A 340 mm N/A 13.386 in N/A 18.701 in N/A 9.843 in N/A 11.220 in N/A 12.283 in N/A 702,838 ft-lbs N/A 1,260,146 lbs.F N/A 360.00 lb
C425M-360x495 N/A 360 mm N/A 14.173 in N/A 19.488 in N/A 9.843 in N/A 11.142 in N/A 12.205 in N/A 818,625 ft-lbs N/A 1,386,205 lbs.F N/A 376.00 lb
C425M-380x515 N/A 380 mm N/A 14.961 in N/A 20.276 in N/A 9.843 in N/A 11.024 in N/A 12.087 in N/A 864,350 ft-lbs N/A 1,386,599 lbs.F N/A 411.00 lb
C425M-400x535 N/A 400 mm N/A 15.748 in N/A 21.063 in N/A 9.843 in N/A 11.024 in N/A 12.087 in N/A 909,338 ft-lbs N/A 1,385,830 lbs.F N/A 407.00 lb
C425M-420x555 N/A 420 mm N/A 16.535 in N/A 21.850 in N/A 9.843 in N/A 11.220 in N/A 12.283 in N/A 1,042,088 ft-lbs N/A 1,512,516 lbs.F N/A 432.00 lb
C425M-440x575 N/A 440 mm N/A 17.323 in N/A 22.638 in N/A 9.843 in N/A 11.220 in N/A 12.283 in N/A 1,091,500 ft-lbs N/A 1,512,224 lbs.F N/A 450.00 lb
C425M-460x595 N/A 460 mm N/A 18.110 in N/A 23.425 in N/A 9.843 in N/A 11.220 in N/A 12.283 in N/A 1,140,913 ft-lbs N/A 1,511,957 lbs.F N/A 467.00 lb
C425M-480x615 N/A 480 mm N/A 18.898 in N/A 24.213 in N/A 9.843 in N/A 11.220 in N/A 12.283 in N/A 1,388,713 ft-lbs N/A 1,763,665 lbs.F N/A 482.00 lb
C425M-500x635 N/A 500 mm N/A 19.685 in N/A 25.000 in N/A 9.843 in N/A 11.024 in N/A 12.087 in N/A 1,446,975 ft-lbs N/A 1,764,152 lbs.F N/A 495.00 lb
C425M-520x655 N/A 520 mm N/A 20.472 in N/A 25.787 in N/A 9.843 in N/A 11.220 in N/A 12.283 in N/A 1,504,500 ft-lbs N/A 1,763,737 lbs.F N/A 520.00 lb
C425M-540x675 N/A 540 mm N/A 21.260 in N/A 26.575 in N/A 9.843 in N/A 11.024 in N/A 12.087 in N/A 1,674,125 ft-lbs N/A 1,889,901 lbs.F N/A 530.00 lb
C425M-560x695 N/A 560 mm N/A 22.047 in N/A 27.362 in N/A 9.843 in N/A 11.024 in N/A 12.087 in N/A 1,736,075 ft-lbs N/A 1,889,842 lbs.F N/A 546.00 lb
Unit of Measure
1