NSS50 One-Way 50x90x20 Bearing Support Required Backstop Clutch
UPC: 00193019048269
Type: One Way Clutch
Applications: Overrunning, Indexing, Backstopping
Dimensions: 50mm x 90mm x 20mm/metric
Inner Diameter: 50mm
NSS50 One-Way Sprag Clutch Freewheel
✔️ 50mm x 90mm x 20mm - Overrunning, Indexing & Backstopping
The NSS50 is a heavy-duty one-way clutch designed for systems that need rotation in only one direction. It’s perfect for overrunning, indexing, and backstopping functions in machines like conveyors, printing presses, textile systems, and industrial drives. This unit is non-bearing supported and should be paired with 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-style one-way clutch
✅ Applications: Mining, conveyors, washing machines, textiles, hydraulics
✅ 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 |
💡 Why choose a sprag clutch for one-way rotation systems?
Sprag clutches offer quick engagement and reliable torque transfer.
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Prevents reverse motion in critical systems
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Common in gravity-driven conveyors and machinery brakes
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Works without backlash for clean directional control
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Helps protect components during sudden stops or power loss
Need to stop the spin and lock it tight? Drop in this clutch and keep your system moving in the right direction, order yours today.