VXB
NFS35 One-Way 35x80x31mm Bearing Support Required Backstop Clutch
UPC: 00193019067956
Type: One Way Clutch
Applications: Overrunning, Indexing, Backstopping
non-bearing supported, External Bearing Support Required
Dimensions: 35mm x 80mm x 31mm/metric
NFS35 One Way Clutch
✔️ Heavy Duty Freewheel Backstop - 35mm Bore
The NFS35 one-way clutch, also called a sprag clutch or backstop, is designed for applications requiring single-direction rotation. Commonly used in conveyors, mining, textile, hydraulic, and printing machines, it prevents reverse motion caused by gravity or power failure, ensuring reliable and safe operation.
✅ Type: One Way Sprag/Clutch Freewheel (Backstop)
✅ Applications: Overrunning, Indexing, Backstopping
✅ Bore (ID): 35mm
✅ Outer Diameter (OD): 80mm
✅ Width: 31mm
✅ Torque: 306 TKN (Max 765 TKN)
✅ Inner Race Overrun Speed: 1,200 RPM
✅ Outer Race Overrun Speed: 1,900 RPM
✅ Design: Non-bearing supported - requires external bearing support
✅ Quantity: 1 Clutch
📐 Dimensions (mm)
| d | D | L | D2 | b | t | s | e | f |
|---|---|---|---|---|---|---|---|---|
| 35 | 80 | 31 | 70 | 12 | 3.5 | 2.4 | 1.8 | 1 |
💡 Why choose a one-way clutch?
One-way clutches provide:
-
Backstopping to prevent reverse motion in conveyors
-
Overrunning function for smooth decoupling of drive components
-
Indexing for precise step-by-step motion
A strong, maintenance-friendly choice to keep your machinery moving forward without the risk of rollback.