6908-2RS Ceramic Si3N4 ABEC 7 Sealed Ball Bearing 40x62x12mm

Ceramic Si3N4 ABEC-7 6908-2RS Bearing
✔️ Sealed Deep Groove 40mm x 62mm x 12mm

This 6908-2RS is a high-precision, deep groove ball bearing with ceramic Si3N4 balls and chrome steel rings. It’s sealed tight with rubber shields and pre-lubed with grease, making it perfect for high-speed applications that need smooth performance with reduced friction.

✅ Inner diameter: 40mm
✅ Outer diameter: 62mm
✅ Width: 12mm
✅ Rings made from chrome steel
✅ Balls made from Si3N4 ceramic
✅ Rubber sealed on both sides
✅ ABEC-7 (P4) high-precision rating
✅ Lubricated with grease
✅ Pack size: 1 bearing

💡 What are the perks of ABEC-7 ceramic ball bearings in precision systems?
These bearings are built for top-speed setups where accuracy matters.

• Ceramic balls reduce rolling resistance and heat buildup

• ABEC-7 tolerances ensure tight, smooth rotation

• Rubber seals protect against dust and moisture

• Commonly used in racing gear, robotics, and electric motors

If you're after smoother motion and longer life, this bearing brings the heat. Toss it in your setup and let the ceramic speed take over.