






CSK20-2RS One-Way Bearing Sealed Sprag Freewheel Clutch Bearing
UPC: 00193019225325
Type: One-Way Clutch Bearing
Inner Diameter: 20mm
Outer Diameter: 47mm
Width: 19mm
CSK20-2RS One-Way Clutch Bearing
✔️ Sealed Sprag Freewheel - 20mm x 47mm x 19mm
The CSK20-2RS is a one-way clutch bearing designed for backstop, overrunning, and indexing applications. With built-in sprags and rubber seals on both sides, it allows rotation in one direction while locking in the other. Ideal for conveyor drives, electric motors, and stepper systems. Sold individually.
✅ Type: One-way clutch (sprag freewheel)
✅ Size: 20mm ID x 47mm OD x 19mm width
✅ Torque capacity: 1.3 Ncm
✅ Closures: Rubber sealed on both sides (2RS)
✅ Locks rotation in one direction only
✅ Ideal for indexing, backstop, or overrunning functions
✅ Quantity: 1 bearing
Dimensions (mm):
d (ID) | D (OD) | W (Width) | Torque (Ncm) |
---|---|---|---|
20mm | 47mm | 19mm | 1.3 |
💡 What’s the purpose of a one-way clutch bearing in mechanical systems?
It allows controlled rotation in one direction while preventing reverse motion
Used in starter motors, conveyors, and indexing drives
Sealed design keeps out debris and retains lubrication
Sprag elements engage and disengage automatically
Compact, simple solution for backstop and overrunning applications
Let motion flow in one direction - drop the CSK20-2RS into your build and control the spin with confidence!