CSK20PP one-way clutch bearing with keyway sprag freewheel backstop design, sized 20x47x14mm, built to allow rotation in one direction only, ideal for conveyors, gear drives, printing machines, and systems needing anti rollback protection

CSK20PP one-way sprag clutch bearing 20 mm x 47 mm x 14 mm, 1 piece
✔️ Keyway one-way freewheel backstop bearing, single unit

This is a CSK series one-way clutch bearing used to allow rotation in one direction while locking instantly in the opposite direction. Common in conveyors, gear drives, and machinery where reverse motion must be prevented during load or power loss. Pack size is 1 bearing.

✅ Pack size: 1 one-way clutch bearing
✅ Type: sprag freewheel backstop clutch with keyway
✅ Inner diameter: 20 mm
✅ Outer diameter: 47 mm
✅ Width: 14 mm
✅ Rated torque: 40 Nm

Dimension mm
Inner diameter 20
Outer diameter 47
Width 14
Torque 40 Nm

💡 How does a sprag-type one-way bearing work in backstop and freewheel applications?
It uses internal sprags that wedge instantly under reverse load.

• Allows smooth rotation in the drive direction

• Locks immediately when rotation reverses

• Handy for conveyors and lifts that must not roll back

• Helps protect gearboxes during sudden stops or power loss

Reliable, compact, and built to hold when it counts, this CSK20PP keeps motion going one way only, drop one into your setup and let gravity behave itself.