One-Piece Industry Standard Clamping Coupling with or without Keyway

733-Series : Keyless Locking Assembly


Medium-High Torque Shrink Disk.
No Shaft-Hub Axial Movement.
Quick Dismantling.
Available in metric sizes - see chart below.


Bore Sizes: 24mm through 480mm
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:
d = h8 for shaft
dw diameter tolerances
From 18 mm to 30 mm dw H6/j6
From 30 mm to 50 mm dw H6/h6
From 50 mm to 80 mm dw H6/g6
From 80 mm to 500 mm dw H7/g6
For exact tolerance values and DM hub calculation
see the technical data section.


METRIC Customer Torque Axial Tightening
Type Shaft
Diameter		 (max.) Thrust (max) Screws
DIN 931-10.9		 Tightening
Torque		 Weight(approx.)
Climax Part d d dw Mt Fax  D I L d1 e Ms
 # mm inch inch Lb-ft Lbf inch inch inch inch inch n x type Lb-ft Lb
    0.748 125 5620                
C733M-24 24 0.945 0.787 155 6070 1.969 0.551 0.768 1.417 0.108 6 x M5* 3 0.4
    0.827 184 6519                
    0.945 221 6519                
C733M-30 30 1.181 0.984 251 6969 2.362 0.63 0.846 1.732 0.108 7 x M5* 3 0.7
    1.024 280 7419                
    1.102 325 11241                
C733M-36 36 1.417 1.181 420 13039 2.835 0.709 0.925 2.047 0.108 5 x M6 9 1
    1.22 465 13039                
    1.26 457 14388                
C733M-44 44 1.732 1.378 575 16636 3.15 0.787 1.004 2.402 0.108 7 x M6 9 1
    1.417 634 17310                
    1.496 693 17760                
C733M-50 50 1.969 1.575 856 19334 3.543 0.866 1.083 2.756 0.108 8 x M6 9 2
    1.654 1018 20683                
    1.654 856 17760                
C733M-55 55 2.165 1.772 1121 19783 3.937 0.906 1.201 2.953 0.148 8 x M6 9 2
    1.89 1387 21807                
    1.89 1364 22481                
C733M-62 62 2.441 1.969 1623 24954 4.331 0.906 1.201 3.386 0.148 10 x M6 9 3
    2.047 1770 26303                
    1.969 1475 21807                
C733M-68 68 2.677 2.165 1844 23830 4.528 0.906 1.201 3.386 0.148 10 x M6 9 3
    2.362 2323 26977                
    2.165 1844 26752                
C733M-75 75 2.953 2.362 2360 30799 5.433 0.984 1.28 3.937 0.148 7 x M8 22 4
    2.559 2913 34846                
    2.362 2360 27876                
C733M-80 80 3.15 2.559 2876 31473 5.709 0.984 1.28 3.937 0.148 7 x M8 22 4
    2.756 3393 35520                
    2.559 3540 39342                
C733M-90 90 3.543 2.756 4425 42714 6.102 1.181 1.535 4.488 0.177 10 x M8 22 7
    2.953 5347 47210                
    2.756 5089 43838                
C733M-100 100 3.937 2.953 5532 49458 6.693 1.339 1.732 4.882 0.197 12 x M8 22 10
    3.15 6638 53954                
    2.953 5310 51481                
C733M-110 110 4.331 3.15 6638 56652 7.283 1.535 1.969 5.354 0.217 9 x M10 44 13
    3.346 7966 58900                
    3.15 5458 52830                
C733M-125 125 4.921 3.543 9588 72838 8.465 1.654 2.126 6.299 0.236 12 x M10 44 18
    3.74 11063 79133                
    3.543 8334 68342                
C733M-140 140 5.512 3.937 12981 89025 9.055 1.811 2.382 6.890 0.285 10 x M12 74 22
    4.134 14825 95544                
    4.134 16226 100490                
C733M-155 155 6.102 4.331 18439 107459 10.43 1.969 2.539 7.559 0.285 12 x M12 74 33
    4.528 20652 114428                
    4.331 16669 103413                
C733M-195 195 7.677 5.906 56055 230430 13.78 2.795 3.386 9.685 0.295 12 x M16 184 90
    6.102 60111 240772                
    5.906 54579 222562                
C733M-200 200 7.874 6.102 59005 232678 13.78 2.795 3.386 9.685 0.295 12 x M16 184 90
    6.299 63430 242795                
    6.299 70068 267524                
C733M-220 220 8.661 6.496 75231 278540 14.57 3.465 4.094 10.63 0.315 15 x M16 184 119
    6.693 81132 290005                
    6.693 88507 329122                
C733M-240 240 9.449 7.087 101783 354301 15.95 3.622 4.291 11.61 0.335 12 x M20 361 148
    7.48 115059 376557                
    7.48 120960 395666                
C733M-280 280 11.02 8.661 179965 499078 18.11 4.488 5.276 13.62 0.394 16 x M20 361 225
    9.055 199141 528304                
    9.055 202829 546513                
C733M-300 300 11.81 9.449 217580 577087 19.09 4.803 5.591 14.33 0.394 18 x M20 361 260
    9.646 232331 592599                
    9.449 230119 595072                
C733M-340 340 13.39 10.236 311619 730408 22.44 5.276 6.142 16.06 0.433 24 x M20 361 410
    10.63 339278 764354                
    10.63 326002 736478                
C733M-350 350 13.78 11.024 354029 771098 22.84 5.512 6.378 17.01 0.433 24 x M20 361 430
    11.22 368780 786835                
    11.024 341490 744121                
C733M-400 400 15.75 12.598 512604 976799 26.77 5.669 6.614 18.9 0.472 21 x M24 620 617
    12.992 548745 1011645                
    12.992 575297 1090329                
C733M-480 480 18.9 15.354 914574 1427544 31.50 7.402 8.386 22.44 0.492 30 x M24 620 1113
    15.748 966204 1472506                

* Please contact customer service for additional diameters.