CK A2052 Sprag Type One Way Clutch Bearing 20x52x23mm Grease Lubricated From Factory CSK2052 Design Non Bearing Supported Overrunning Clutch Bearing for Mechanical Assemblies

CK-A2052 Sprag One-Way Clutch Bearing, 20x52x23mm, single
✔️ Bore 20mm; OD 52mm; width 23mm; torque 95 Nm; overrunning 1400/400.

This CK-A2052 sprag-type one-way clutch bearing is sold as a single bearing (pack size: 1) and is designed to transmit torque in one direction while overrunning in the reverse. It ships grease-lubricated from the factory and uses keyed inner and outer races to ensure reliable torque transfer. It does not carry radial or axial loads on its own and must be paired with another bearing in your design. Typical applications include conveyors, packaging lines, printing, paper-making, weaving, and other industrial machinery where a backstop/one-way drive is needed.

✅ Bore: 20 mm
✅ Outer diameter: 52 mm
✅ Width: 23 mm
✅ Nominal torque: 95 Nm
✅ Overrunning speeds: inner ~1,400 rpm; outer ~400 rpm
✅ Weight: ~0.25 kg
✅ Material: GCr15 chrome steel
✅ Keyways: Outer 3x1.8 mm; Inner 3x1.4 mm
✅ Reference bearing: 6305

💡 What is a sprag-type one-way clutch bearing used for in industrial gear systems?
- It transmits torque in one direction while overrunning in reverse.
- Handy for backstop functions in conveyors, packaging lines, and printing equipment.
- Typically paired with another bearing since it doesn't carry radial or axial loads on its own.
- Keyed outer/inner races ensure reliable torque transfer via the keyways.