R8-2RS Ball Bearing 1/2" Bore ID for Alternators

R8-2RS AB Sealed Ball Bearing
✔️ 1/2" x 1 1/8" x 5/16" Chrome Steel Deep Groove

This R8-2RS AB is a sealed deep groove ball bearing built for electric motor use and perfect for alternators or compact mechanical gear. With two rubber seals and a chrome steel build, it’s made to run smooth, stay clean, and last longer under daily use.

✅ Built from durable 52100 chrome alloy steel
✅ Dual rubber seals for keeping dirt and moisture out
✅ Inner diameter: 1/2 inch (0.500")
✅ Outer diameter: 1 1/8 inch (1.125")
✅ Width: 5/16 inch (0.3125")
✅ Quality rated for electric motor performance
✅ Pack size: 1 bearing

💡 What makes deep groove ball bearings reliable for electric motors?
These bearings are all about smooth motion and long life in tight spots.

• Handle both radial and moderate axial loads

• Stay cool and spin fast with minimal resistance

• Seals help retain grease and block out junk

• Used in motors, pumps, and small machinery

If you're replacing an alternator bearing or building a new rig, this one keeps it tight and quiet. Add it to your cart and keep things running like new.