R8-2RS Alternator Bearing 1/2" x 1-1/8" x 5/16" - Sealed

R8-2RS Sealed Alternator Ball Bearing
✔️ 1/2" ID - 1-1/8" OD - 5/16" Wide

The R8-2RS AB is a sealed deep groove ball bearing built for electric motor and alternator applications. Made from tough 52100 chrome steel, it features rubber seals on both sides to block out dust and moisture. Pre-lubricated and ready for action, it’s perfect for smooth, long-lasting performance in rotating systems.

✅ Type: Deep groove ball bearing
✅ Inside diameter: 1/2 inch
✅ Outside diameter: 1-1/8 inch
✅ Width: 5/16 inch
✅ Material: 52100 chrome steel
✅ Closures: Double rubber seals (2RS)
✅ Quality: Electric motor grade
✅ Lubrication: Pre-lubricated with grease
✅ Quantity: 1 bearing
✅ Application: Alternators, small motors, tools

💡 Why use sealed ball bearings in alternators and electric motors?

Rubber seals protect against contaminants and extend bearing life.
They hold grease inside for consistent, low-maintenance rotation.
Ideal for high-speed, high-precision components exposed to dust or vibration.

Spin with confidence - this R8-2RS bearing keeps your alternator running quietly and reliably!