NFS® Clutches

NFS Clutches

 

The NFS® Series clutch is available in 13 sizes. It's designed with the same overall dimensions as a light metric series ball bearing. The inner race contains a key seat and the outer race contains a key slot. The bore of the clutch is metric and must be installed with ball bearing support. The outer race of the clutch is designed for press fit installation to the housing. See the specifications for details.

 

Features & Benefits:

  • Designed with the same overall dimensions as medium series metric ball bearing.
  • Manufactured with an inner race containing a key-seat and an outer race containing key slots.
  • Furnished with protective oil.
  • Sprag type one way clutch.
  • High torque and longer life than roller ramp clutches. 

Specifications: 

  • Bore Range: 8MM (0.315”) – 60MM (2.632”)
  • Torque Range: 9.4 - 1,035 lb-ft

 Model Number
 Rated Torque Capacity Ft-Lbs.
 Rated Torque Capacity N-m  Max. Overrunning Speed (r/min) Inner Race
 Max. Overrunning Speed (r/min) Outter Race Drag Torque Lb-Ft
 Drag Torque N-m
Bore Size H7 mm
 Bore Size H7 inch
 NFS-12  13.276  18  4,500  2,300  0.030  0.04  12  +0.018  0.4724
 +0.0007
 -0.000  -0.0000
 NFS-15  20.652  28  3,500  1,800  0.044  0.06  15  +0.018  0.5906  +0.0007
 -0.000  -0.0000
 NFS-17  36.879  50  3,200  1,600  0.081  0.11  17  +0.018  0.6693  +0.0007
 -0.000  -0.0000
 NFS-20  61.956  84  2,400  1,300  0.133  0.18  20  +0.021  0.7874  +0.0008
 -0.000  -0.0000
 NFS-25  94.409  128  2,000  1,000  0.140  0.19  25  +0.021  0.9843  +0.0008
 -0.000  -0.0000
 NFS-30  147.514  200  1,600  800  0.155  0.21  30  +0.021  1.1811  +0.0008
 -0.000  -0.0000
 NFS-35  350.347  475  1,400  700  0.310  0.42  35  +0.025  1.3780  +0.0010
 -0.000  -0.0000
 NFS-40  447.704  607  1,300  650  0.339  0.46  40  +0.025  1.5748  +0.0010
 -0.000  -0.0000
 NFS-45  557.604  756  1,100  550  0.413  0.56  45  +0.025  1.7717  +0.0010
 -0.000  -0.0000
 NFS-50  829.031  1124  1,000  500  0.443  0.60  50  +0.025  1.9685  +0.0010
 -0.000  -0.0000
 NFS-60  1456.705  1975  840  420  0.642  0.87  60  +0.030  2.3622  +0.0012
 -0.000  -0.0000
 NFS-70  1854.256  2514  750  380  0.671  0.91  70  +0.030  2.7559  +0.0012
 -0.000  -0.0000
 NFS-80  2894.232  3924  670  340  0.900  1.22  80  +0.030  3.1496  +0.0012
 -0.000  -0.0000

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