Ceramic Bearing 9x20x6 Si3N4 Sealed ABEC 7 Deep Groove Ball Bearing With Stainless Steel Cage And Ceramic Balls For High Precision Machinery Applications And Hobby Projects Improved Friction Longevity And Load Capacity

This compact, sealed deep groove bearing uses Si3N4 ceramic balls and a stainless steel cage for smooth, high-speed operation. Commonly found in robotics, precision instrumentation, and small-scale machinery where reliability and long life matter.

✅ Size: 9 x 20 x 6 mm
✅ Ball material: Si3N4 ceramic
✅ Cage: Stainless steel
✅ Closures: Double rubber seals RS
✅ Lubrication: Self-lubricated grease SRL
✅ Radial clearance: C3

💡 What is a ceramic ball bearing used for in precision machinery? Ceramic bearings excel in high-speed and harsh environments thanks to low friction and corrosion resistance. - High-speed rotation in robotics and CNC systems - Reduced wear in dusty or contaminant-prone settings - Lightweight strength improves precise positioning