CK-A3072 Sprag Type One Way Clutch Bearing 30x72x23mm Greased GCr15 Chrome Steel With Keyways On Inner And Outer Races Non Bearing Supported High Precision Ideal For Shaft And Housing Applications

CK-A3072 Sprag-Type One-Way Clutch Bearing 30x72x23mm
✔️ One-way sprag clutch bearing, inner 30mm, outer 72mm, width ~24mm

CK-A3072 is a sprag-type one-way clutch bearing for backstop and overrunning applications. It ships greased and is sold as a single bearing; operation requires keyways on both inner and outer races for proper engagement in industrial setups like conveyors, packaging lines, paper mills, and chemical equipment.

✅ Inner diameter (d): 30 mm
✅ Outer diameter (D): 72 mm
✅ Width (B): ~24 mm
✅ Material: GCr15 chrome steel
✅ Design: Sprag-type, one-way clutch bearing (overrunning)
✅ Greased at shipment; requires keyways on both races
✅ Non-bearing-supported: does not carry radial or axial loads
✅ Typical uses: backstop in conveyors, packaging lines, paper mills, chemical equipment

💡 What is a sprag-type one-way clutch bearing used for in industrial machinery?

This handy device provides controlled motion in one direction and locks out reverse rotation to protect gear trains.

- Highly directional engagement prevents reverse motion under load - Handy for backstop and overrunning functions in conveyors and packaging lines - Requires precise keyway alignment on inner and outer races for reliable operation