Heavy Duty CSK40 One Way Bearing Sprag Clutch Freewheel Backstop Drive 40mm Bore 40x80x22mm Zero Backlash Overrunning Industrial Engine Component Built Rock Solid

Single pack Heavy Duty CSK40 Sprag Clutch One Way Bearing
✔️ 40mm bore 80mm outer diameter 22mm width steel greased

This solid bearing blocks reverse rotation while spinning forward. It works well on conveyor drums, hoist wheels, and indexing rollers where tight stops matter. Ready to mount straight out of the wrapper with pre packed grease.

✅ Precision ground steel races and rollers take high torque loads without slip
✅ Matched internal and external keyways transfer power straight to your shaft
✅ Grease filled assembly runs quiet through rough dirt jobs and heat spikes

💡 What makes a heavy duty sprag one way clutch handy for industrial gearboxes?
These mechanical setups lock against sudden backward spins while letting the main shaft spin free when power cuts.
- Hardened roller elements spread stress evenly across raceways during shock impacts
- Tight radial clearances keep everything aligned on fast conveyor lines and gearbox backs
- Standard keyed bores slide right onto existing pumpshafts and motor extensions for quick swaps

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