AS50 One-Way Backstop Clutch - Bearing Support Required 50x90x20mm
UPC: 00193019261361
Type: One Way Clutch
Applications: Overrunning, Indexing, Backstopping
Dimensions: 50mm x 90mm x 20mm/metric
Inner Diameter: 50mm
AS50 One-Way Sprag Clutch - Backstop Style
✔️ 50mm x 90mm x 20mm - Non-Bearing Supported for One Direction Rotation
The AS50 is a one-way backstop clutch designed for systems that need reliable forward motion and instant lock-up against reverse movement. It's used for overrunning, indexing, and backstopping in conveyors, printing machines, textiles, and more. This clutch is non-bearing supported and requires external bearings for proper alignment.
✅ Inner diameter: 50mm
✅ Outer diameter: 90mm
✅ Width: 20mm
✅ Torque capacity: 184 TKN
✅ Resistance torque: 13 TKN
✅ Inner race overrunning speed: 950 RPM
✅ Outer race overrunning speed: 1,500 RPM
✅ Type: Sprag freewheel clutch (backstop type)
✅ Applications: Mining, textile, hydraulic, conveyors, washing machines
✅ Pack size: One clutch
Dimensional Table:
| d (ID) | D (OD) | D1 | L (Width) | s | e | f |
|---|---|---|---|---|---|---|
| 50mm | 90mm | 82mm | 20mm | 2.5 | 1.2 | 1 |
💡 When should you use a backstop-style sprag clutch like the AS50?
Backstop clutches are vital for holding loads in place when motors stop.
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Prevent reverse rotation in conveyor systems
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Engages automatically under back-driven torque
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Ideal for vertical or inclined systems at risk of rollback
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Provides mechanical safety during power failure
Need guaranteed one-way action? Drop this clutch in and protect your drive, order now and let your system roll safe and steady.