One Way Clutch Sealed Sprag Freewheel Bearing With One Keyway On Inner Ring, 20mm Bore, 47mm Outer Diameter, 19mm Width, High Load Capacity, Smooth Operation, Durable Industrial Bearing

20mm Bore One-Way Sealed Sprag Clutch Bearing
✔️ Single unit, 20x47x19 mm with 1.3 Ncm torque, inner keyway

This one-way, sealed sprag clutch bearing provides directional drive and freewheeling in reverse. It features a 20 mm bore, 47 mm outer diameter, and 19 mm width, plus a single key-way on the inner ring for secure mounting. It's a solid choice for compact gearboxes, small conveyors, and hobby robotic projects where simple one-direction engagement matters.

✅Inner diameter：20 mm
✅Outer diameter：47 mm
✅Width：19 mm
✅ Torque: 1.3 Ncm
✅ One key-way on inner ring

💡 What is a sealed one-way bearing used for in small machines? A handy part that enables one-way drive while letting the other direction freewheel. - sealed ball bearing with sprag clutch for one-way drive - ideal for small gearboxes, conveyors, and motor-driven projects - helps prevent backdrive and protects gear trains