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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
Locking Assembly
Unit of Measure
1 2 3 4 

Item #

Shaft Size

d

D

L

L1

L2

L3

Mt

Fax

Weight

C123E-343-S N/A 3 7/16 in N/A 3.438 in N/A 5.118 in N/A 0.945 in N/A 1.201 in N/A 1.594 in N/A 1.988 in N/A 2,589 ft-lbs N/A 18,075 lbs.F N/A 4.80 lb
C123E-350-S N/A 3 1/2 in N/A 3.500 in N/A 5.118 in N/A 0.945 in N/A 1.201 in N/A 1.594 in N/A 1.988 in N/A 2,636 ft-lbs N/A 18,075 lbs.F N/A 4.60 lb
C123E-375-S N/A 3 3/4 in N/A 3.750 in N/A 5.315 in N/A 0.945 in N/A 1.201 in N/A 1.594 in N/A 1.988 in N/A 3,142 ft-lbs N/A 20,108 lbs.F N/A 4.70 lb
C123E-393-S N/A 3 15/16 in N/A 3.938 in N/A 5.709 in N/A 1.024 in N/A 1.299 in N/A 1.772 in N/A 2.244 in N/A 3879 ft-lbs N/A 23,643 lbs.F N/A 6.20 lb
C123E-400-S N/A 4 in N/A 4.000 in N/A 5.709 in N/A 1.024 in N/A 1.299 in N/A 1.772 in N/A 2.244 in N/A 3,941 ft-lbs N/A 23,646 lbs.F N/A 6.00 lb
C123E-443-S N/A 4 7/16 in N/A 4.438 in N/A 6.102 in N/A 1.024 in N/A 1.299 in N/A 1.772 in N/A 2.244 in N/A 4,375 ft-lbs N/A 23,661 lbs.F N/A 6.30 lb
C123E-475-S N/A 4 3/4 in N/A 4.750 in N/A 6.496 in N/A 1.024 in N/A 1.299 in N/A 1.772 in N/A 2.244 in N/A 5,272 ft-lbs N/A 26,637 lbs.F N/A 7.10 lb
Unit of Measure
1 2 3 4