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 | |||||||||