Sealed Ball Bearing With Ceramic Balls R1212-2RS, Dimensions One Half Inch Inner Diameter By Three Quarters Inch Outer Diameter By Five Thirty Second Inch Width, Chrome Steel Races With Dual Rubber Seals For Dust Protection And Long Life

Sealed ceramic ball bearing 1/2 in ID x 3/4 in OD x 5/32 in
✔️ 1/2 in ID x 3/4 in OD x 5/32 in width, sealed, 1 pc

This item is a sealed ball bearing with ceramic balls designed for precise rotational motion. It’s commonly used in robotics, CNC equipment, and other machines where smooth operation and contamination resistance matter. The compact 1/2" ID, 3/4" OD, and 5/32" width fit small assemblies and hobby projects alike.

✅ Inner diameter: 1/2 in (12.7 mm)
✅ Outer diameter: 3/4 in (19.05 mm)
✅ Width: 5/32 in (3.97 mm)
✅ Seals: 2 rubber shields for dust protection
✅ Lubrication: Pre-lubricated with grease
✅ Ball material: ceramic; race material: chrome steel (52100)
✅ Quantity: 1 bearing per package

💡 What is a sealed ceramic ball bearing used for in precision machinery?

This handy bearing design is built for precision and reliability. - High-precision rotation for robotics and CNC applications - Ceramic balls reduce friction and wear compared to steel balls - Sealed design keeps out dust for longer life - Easy installation in common bearing housings