Customer Service Hotline: 800.542.6552
FAX: 800.860.5553

 
 
 

123-Series : Keyless Locking Assembly

 
123-
Series

Medium-High Torque.
Economical - Quick Installation - Compact Size.
Available in metric sizes - see chart below.

Bore Sizes: 3/4" through 8"
Available in:
Steel Finish


3D Model / 2D Drawing of Shaft Collar / Rigid Coupling


Tolerances, surface finish
A good machined surface finish is sufficient.
Maximum allowable surface finish:
   Rt max 16 µm (Ra 3 µm - Rz 13 µm)
Maximum permissible tolerances:
   h8 for shaft (Ød)
   H8 for hub (ØD )

For exact tolerance values and DM hub calculation - technical data.

INCH ID ID OD   Length   Length incl. Cap Screw MS Screw Seating Torque (max.) Axial Load (max.) Shaft Pressure Hub Pressure Weight (approx.)
  d d D L1 L2 L3 B Size Torque Mt Fax Ps Ph  
Climax Part # inch inch inch inch inch inch inch  n x typ LB-ft Lb-ft Lbf psi psi Lb
C123E-075   3/4  0.7500 1.850 0.669 0.866 1.102 1.339 5 x M6 10 262 8442 44612 18082 1
C123E-087   7/8  0.8750 1.850 0.669 0.866 1.102 1.339 5 x M6 10 305 8442 38239 18082 1
C123E-100 1       1.0000 1.969 0.669 0.866 1.102 1.339 6 x M6 10 418 10131 40151 20397 1
C123E-112 1  1/8  1.1250 2.165 0.669 0.866 1.102 1.339 6 x M6 10 471 10131 35690 18543 1
C123E-118 1  3/16 1.1875 2.165 0.669 0.866 1.102 1.339 6 x M6 10 496 10131 33812 18543 1
C123E-125 1  1/4  1.2500 2.362 0.669 0.866 1.102 1.339 8 x M6 10 696 13507 42828 22663 1
C123E-137 1  3/8  1.3750 2.362 0.669 0.866 1.102 1.339 8 x M6 10 767 13507 38935 22663 1
C123E-143 1  7/16 1.4375 2.559 0.669 0.866 1.102 1.339 8 x M6 10 801 13507 37242 20920 1
C123E-150 1  1/2  1.5000 2.559 0.669 0.866 1.102 1.339 8 x M6 10 836 13507 35690 20920 1
C123E-162 1 5/8 1.6250 2.953 0.787 0.984 1.299 1.614 7 x M8 26 1518 22637 46929 25827 2
C123E-168 1 11/16 1.6875 2.953 0.787 0.984 1.299 1.614 7 x M8 26 1577 22637 45191 25827 2
C123E-175 1 3/4 1.7500 2.953 0.787 0.984 1.299 1.614 7 x M8 26 1635 22637 43577 25827 2
C123E-187 1 7/8 1.8750 3.150 0.787 0.984 1.299 1.614 7 x M8 26 1752 22637 40672 24213 2
C123E-193 1 15/16 1.9375 3.150 0.787 0.984 1.299 1.614 7 x M8 26 1809 22637 39360 24213 2
C123E-200 2 2.0000 3.150 0.787 0.984 1.299 1.614 7 x M8 26 1868 22637 38130 24213 2
C123E-212 2 1/8 2.1250 3.346 0.787 0.984 1.299 1.614 8 x M8 26 2269 25871 41014 26044 2
C123E-218 2  3/16 2.1875 3.346 0.787 0.984 1.299 1.614 8 x M8 26 2335 25871 39842 26044 2
C123E-225 2 1/4 2.2500 3.543 0.787 0.984 1.299 1.614 8 x M8 26 2401 25871 38735 24597 2
C123E-237 2 3/8 2.3750