R12-2RS Sealed Ceramic Bearing 3/4" x 1-5/8" x 7/16" inch

R12-2RS Hybrid Ceramic Ball Bearing
✔️ Sealed Chrome Steel Bearing with Zirconia Balls - 3/4" x 1 5/8" x 7/16"

This R12-2RS hybrid ceramic bearing combines a chrome steel outer structure with zirconia ceramic balls for smooth, low-friction rotation. It includes two rubber seals to help keep dust out, and it comes pre-lubricated with oil for clean operation in small motors, tools, and performance hobby builds. Sold as one bearing.

✅ Inner diameter 3/4"
✅ Outer diameter 1 5/8"
✅ Width 7/16"
✅ Chrome steel races
✅ Zirconia (ZrO₂) ceramic balls
✅ Nylon cage
✅ Double rubber seals
☑️ R12-2RS1 Ceramic
☑️ R12RS1 Ceramic
✅ Pre-lubricated with oil
✅ One bearing included

💡 What makes hybrid ceramic bearings useful for high-speed and low-friction applications?
The ceramic balls cut rolling resistance and stay cooler under load.
- Less mass reduces vibration at higher RPM
- Oil lubrication starts up easily with smooth rotation
- Handy for small motors, tools, hobby projects, and precision drives

This R12-2RS hybrid ceramic bearing gives your setup smooth, dependable rotation with the durability of chrome steel and the performance edge of ceramic balls.