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Single-taper, self-centering design without mounting flange for use in through-bored components. Mounted component moves axially during installation.
Locking Assembly Series C123 / Metric Locking Assembly Series C123
Metric Locking Assembly
Unit of Measure
1 2 3 4 

Item #

Shaft Size

d

D

L

L1

L2

L3

Mt

Fax

Weight

C123M-14x32 N/A 14 mm N/A 0.551 in N/A 1.260 in N/A 0.551 in N/A 0.709 in N/A 0.846 in N/A 1.004 in N/A 50 ft-lbs N/A 2,191 lbs.F N/A 0.20 lb
C123M-15x32 N/A 15 mm N/A 0.591 in N/A 1.260 in N/A 0.551 in N/A 0.709 in N/A 0.846 in N/A 1.004 in N/A 54 ft-lbs N/A 2,191 lbs.F N/A 0.19 lb
C123M-16x32 N/A 16 mm N/A 0.630 in N/A 1.260 in N/A 0.551 in N/A 0.709 in N/A 0.846 in N/A 1.004 in N/A 57 ft-lbs N/A 2,191 lbs.F N/A 0.18 lb
C123M-18x47 N/A 18 mm N/A 0.709 in N/A 1.850 in N/A 0.669 in N/A 0.886 in N/A 1.122 in N/A 1.358 in N/A 185 ft-lbs N/A 6,265 lbs.F N/A 0.60 lb
C123M-19x47 N/A 19 mm N/A 0.748 in N/A 1.850 in N/A 0.669 in N/A 0.886 in N/A 1.122 in N/A 1.358 in N/A 195 ft-lbs N/A 6,265 lbs.F N/A 0.60 lb
C123M-20x47 N/A 20 mm N/A 0.787 in N/A 1.850 in N/A 0.669 in N/A 0.886 in N/A 1.122 in N/A 1.358 in N/A 206 ft-lbs N/A 6,265 lbs.F N/A 0.60 lb
C123M-22x47 N/A 22 mm N/A 0.866 in N/A 1.850 in N/A 0.669 in N/A 0.886 in N/A 1.122 in N/A 1.358 in N/A 226 ft-lbs N/A 6,265 lbs.F N/A 0.60 lb
C123M-24x50 N/A 24 mm N/A 0.945 in N/A 1.969 in N/A 0.669 in N/A 0.886 in N/A 1.122 in N/A 1.358 in N/A 296 ft-lbs N/A 7,518 lbs.F N/A 0.70 lb
C123M-25x50 N/A 25 mm N/A 0.984 in N/A 1.969 in N/A 0.669 in N/A 0.886 in N/A 1.122 in N/A 1.358 in N/A 308 ft-lbs N/A 7,518 lbs.F N/A 0.70 lb
C123M-28x55 N/A 28 mm N/A 1.102 in N/A 2.165 in N/A 0.669 in N/A 0.886 in N/A 1.122 in N/A 1.358 in N/A 345 ft-lbs N/A 7,518 lbs.F N/A 0.80 lb
C123M-30x55 N/A 30 mm N/A 1.181 in N/A 2.165 in N/A 0.669 in N/A 0.886 in N/A 1.122 in N/A 1.358 in N/A 370 ft-lbs N/A 7,518 lbs.F N/A 0.70 lb
C123M-32x60 N/A 32 mm N/A 1.260 in N/A 2.362 in N/A 0.669 in N/A 0.886 in N/A 1.122 in N/A 1.358 in N/A 526 ft-lbs N/A 10,024 lbs.F N/A 0.82 lb
C123M-35x60 N/A 35 mm N/A 1.378 in N/A 2.362 in N/A 0.669 in N/A 0.886 in N/A 1.122 in N/A 1.358 in N/A 576 ft-lbs N/A 10,024 lbs.F N/A 0.80 lb
C123M-38x65 N/A 38 mm N/A 1.496 in N/A 2.559 in N/A 0.669 in N/A 0.886 in N/A 1.122 in N/A 1.358 in N/A 625 ft-lbs N/A 10,024 lbs.F N/A 0.80 lb
C123M-40x65 N/A 40 mm N/A 1.575 in N/A 2.559 in N/A 0.669 in N/A 0.886 in N/A 1.122 in N/A 1.358 in N/A 658 ft-lbs N/A 10,024 lbs.F N/A 0.90 lb
C123M-42x75 N/A 42 mm N/A 1.654 in N/A 2.953 in N/A 0.787 in N/A 1.043 in N/A 1.358 in N/A 1.673 in N/A 1,117 ft-lbs N/A 16,206 lbs.F N/A 1.51 lb
C123M-45x75 N/A 45 mm N/A 1.772 in N/A 2.953 in N/A 0.787 in N/A 1.043 in N/A 1.358 in N/A 1.673 in N/A 1,196 ft-lbs N/A 16,206 lbs.F N/A 1.50 lb
C123M-48x80 N/A 48 mm N/A 1.890 in N/A 3.150 in N/A 0.787 in N/A 1.043 in N/A 1.358 in N/A 1.673 in N/A 1,276 ft-lbs N/A 16,206 lbs.F N/A 1.60 lb
C123M-50x80 N/A 50 mm N/A 1.969 in N/A 3.150 in N/A 0.787 in N/A 1.043 in N/A 1.358 in N/A 1.673 in N/A 1,329 ft-lbs N/A 16,206 lbs.F N/A 1.70 lb
C123M-55x85 N/A 55 mm N/A 2.165 in N/A 3.346 in N/A 0.787 in N/A 1.043 in N/A 1.358 in N/A 1.673 in N/A 1,671 ft-lbs N/A 18,521 lbs.F N/A 1.80 lb
C123M-60x90 N/A 60 mm N/A 2.362 in N/A 3.543 in N/A 0.787 in N/A 1.043 in N/A 1.358 in N/A 1.673 in N/A 1,823 ft-lbs N/A 18,521 lbs.F N/A 1.90 lb
C123M-65x95 N/A 65 mm N/A 2.559 in N/A 3.740 in N/A 0.787 in N/A 1.043 in N/A 1.358 in N/A 1.673 in N/A 2,222 ft-lbs N/A 20,836 lbs.F N/A 2.10 lb
C123M-70x110 N/A 70 mm N/A 2.756 in N/A 4.331 in N/A 0.945 in N/A 1.201 in N/A 1.594 in N/A 1.988 in N/A 3,491 ft-lbs N/A 30,403 lbs.F N/A 3.70 lb
C123M-75x115 N/A 75 mm N/A 2.953 in N/A 4.528 in N/A 0.945 in N/A 1.201 in N/A 1.594 in N/A 1.988 in N/A 3,741 ft-lbs N/A 30,403 lbs.F N/A 3.80 lb
C123M-80x120 N/A 80 mm N/A 3.150 in N/A 4.724 in N/A 0.945 in N/A 1.201 in N/A 1.594 in N/A 1.988 in N/A 3,990 ft-lbs N/A 30,403 lbs.F N/A 4.10 lb
Unit of Measure
1 2 3 4