One-Piece Industry Standard Clamping Coupling with or without Keyway

405-Series : Keyless Locking Assembly


Very-High Torque.
Capacity to Withstand Bending Moments.
Excellent for Bulk Handling Applications such as Drum Pulleys.
Available in metric sizes - see chart below.


Bore Sizes: 1" through 8"
Available in:
Steel Finish


Download Catalog Page >> PDF Format


Download KLA Assembly Instructions





One-Piece Industry Standard Clamping Coupling with or without Keyway

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

               MS   Axial      
          Length   Screw Torque Load Shaft Hub Weight
ID ID OD Length   Incl.cap Screw Seating (max.) (max.) Pressure Pressure (approx.)
d d D L1 L2 B Size Torque Mt FAX Ps Ph  
Climax Part # inch inch inch inch inch inch n x type Lb-ft Lb-ft Lbf psi psi Lb
C405E-100 1 1.0000 2.165 1.535 1.772 2.008 8 x M6 13 826 20239 34965 16147 1
C405E-118 1  3/16 1.1875 2.165 1.535 1.772 2.008 8 x M6 13 981 20239 29444 16147 1
C405E-125 1 1/4 1.2500 2.362 1.535 1.772 2.008 8 x M6 13 1033 20239 27972 14802 2
C405E-137 1 3/8 1.3750 2.362 1.535 1.772 2.008 8 x M6 13 1137 20239 25429 14802 2
C405E-143 1  7/16 1.4375 2.362 1.535 1.772 2.008 8 x M6 13 1188 20239 24323 14802 2
C405E-150 1 1/2 1.5000 2.953 2.205 2.520 2.835 8 x M8 30 2290 37394 29994 15237 2
C405E-162 1 5/8 1.6250 2.953 2.205 2.520 2.835 8 x M8 30 2481 37394 27687 15237 2
C405E-175 1 3/4 1.7500 2.953 2.205 2.520 2.835 8 x M8 30 2672 37394 25709 15237 2
C405E-187 1 7/8 1.8750 3.150 2.205 2.520 2.835 8 x M8 30 2863 37394 23996 14285 3
C405E-193 1 15/16 1.9375 3.150 2.205 2.520 2.835 8 x M8 30 2959 37394 23221 14285 3
C405E-200 2 2.0000 3.150 2.205 2.520 2.835 8 x M8 30 3054 37394 22496 14285 3
C405E-212 2 1/8 2.1250 3.346 2.205 2.520 2.835 8 x M8 30 3245 37394 21173 13445 3
C405E-218 2  3/16 2.1875 3.346 2.205 2.520 2.835 8 x M8 30 3340 37394 20568 13445 3
C405E-225 2 1/4 2.2500 3.543 2.205 2.520 2.835 10 x M8 30 4294 46743 24995 15872 4
C405E-237 2 3/8 2.3750 3.543 2.205 2.520 2.835 10 x M8 30 4533 46743 23680 15872 4
C405E-243 2  7/16 2.4375 3.740 2.205 2.520 2.835 10 x M8 30 4652 46743 23073 15037 4
C405E-250 2 1/2 2.5000 3.740 2.205 2.520 2.835 10 x M8 30 4772 46743 22496 15037 4
C405E-256 2  9/16 2.5625 3.740 2.205 2.520 2.835 10 x M8 30 4891 46743 21947 15037 4
C405E-262 2 5/8 2.6250 4.331 2.756 3.071 3.465 10 x M10 61 7956 74219 27215 16496 7
C405E-268 2 11/16 2.6875 4.331 2.756 3.071 3.465 10 x M10 61 8145 74219 26582 16496 7
C405E-275 2 3/4 2.7500 4.331 2.756 3.071 3.465 10 x M10 61 8334 74219 25978 16496 7
C405E-287 2 7/8 2.8750 4.331 2.756 3.071 3.465 10 x M10 61 8713 74219 24848 16496 7
C405E-293 2 15/16 2.9375 4.724 2.756 3.071 3.465 12 x M10 61 10683 89063 29183 18145 8
C405E-300 3 3.0000 4.724 2.756 3.071 3.465 12 x M10 61 10910 89063 28575 18145 8
C405E-312 3 1/8 3.1250 4.724 2.756 3.071 3.465 12 x M10 61 11365 89063 27432 18145 8
C405E-325 3 1/4 3.2500 4.724 2.756 3.071 3.465 12 x M10 61 11820 89063 26377 18145 8
C405E-337 3 3/8 3.3750 5.118 2.756 3.071 3.465 12 x M10 61 12274 89063 25400 16750 8
C405E-343 3  7/16 3.4375 5.118 2.756 3.071 3.465 12 x M10 61 12501 89063 24938 16750 8
C405E-350 3 1/2 3.5000 5.118 2.756 3.071 3.465 12 x M10 61 12728 89063 24493 16750 8
C405E-362 3 5/8 3.6250 5.118 2.756 3.071 3.465 12 x M10 61 13183 89063 23649 16750 8
C405E-375 3 3/4 3.7500 5.709 3.543 3.937 4.409 12 x M12 107 19857 129674 25888 17006 13
C405E-387 3 7/8 3.8750 5.709 3.543 3.937 4.409 12 x M12 107 20518 129674 25053 17006 13
C405E-393 3 15/16 3.9375 5.709 3.543 3.937 4.409 12 x M12 107 20850 129674 24655 17006 13
C405E-400 4 4.0000 5.709 3.543 3.937 4.409 12 x M12 107 21180 129674 24270 17006 13
 METRIC               MS   Axial      
          Length   Screw Torque Load Shaft Hub Weight
ID ID OD Length   Incl.cap Screw Seating (max.) (max.) Pressure Pressure (approx.)
d x D d D L1 L2 B Size Torque Mt FAX Ps Ph  
Climax Part # mm inch inch inch inch inch n x type Lb-ft Lb-ft Lbf psi psi Lb
C405M-25x50 25 x 50 0.984 1.969 1.535 1.772 2.008 8 x M6 13 701 17086 35534 17695 1
C405M-28x55 28 x 55 1.102 2.165 1.535 1.772 2.008 8 x M6 13 789 17086 31763 16099 1
C405M-30x55 30 x 55 1.181 2.165 1.535 1.772 2.008 8 x M6 13 848 17086 29588 16099 1
C405M-35x60 35 x 60 1.378 2.362 1.535 1.772 2.008 8 x M6 13 988 17086 25382 14794 2
C405M-38x65 38 x 65 1.496 2.559 1.535 1.772 2.008 8 x M6 13 1069 17086 23351 13634 2
C405M-40x65 40 x 65 1.575 2.559 1.535 1.772 2.008 8 x M6 13 1128 17086 22191 13634 2
C405M-42x75 42 x 75 1.654 2.953 2.205 2.520 2.835 8 x M8 30 2191 31698 27267 15229 2
C405M-45x75 45 x 75 1.772 2.953 2.205 2.520 2.835 8 x M8 30 2323 31698 25382 15229 2
C405M-48x80 48 x 80 1.890 3.150 2.205 2.520 2.835 8 x M8 30 2950 37318 23786 14214 3
C405M-50x80 50 x 80 1.969 3.150 2.205 2.520 2.835 8 x M8 30 3061 37318 22916 14214 3
C405M-55x85 55 x 85 2.165 3.346 2.205 2.520 2.835 8 x M8 30 3356 37318 20740 13489 3
C405M-60x90 60 x 90 2.362 3.543 2.205 2.520 2.835 10 x M8 30 4573 46536 23786 15809 4
C405M-65x95 65 x 95 2.559 3.740 2.205 2.520 2.835 10 x M8 30 4979 46536 22046 15084 4
C405M-70x110 70 x 110 2.756 4.331 2.756 3.071 3.465 10 x M10 61 8519 74187 25962 16534 7
C405M-75x115 75 x 115 2.953 4.528 2.756 3.071 3.465 10 x M10 61 9109 74187 24221 15809 7
C405M-80x120 80 x 120 3.150 4.724 2.756 3.071 3.465 12 x M10 61 11653 89025 27267 18130 8
C405M-85x125 85 x 125 3.346 4.921 2.756 3.071 3.465 12 x M10 61 12391 89025 25672 17405 8
C405M-90x130 90 x 130 3.543 5.118 2.756 3.071 3.465 12 x M10 61 13129 89025 24221 16679 8
C405M-95x135 95 x 135 3.740 5.315 2.756 3.071 3.465 12 x M10 61 13866 89025 22916 16099 11

* It is possible to reduce the screws tightening torque down to 60% of the values indicated in the above table; as a result the Mt, Fax, Ps, Ph are reduced proportionally.