30 Pack Full Ceramic 627-2RS ZrO2 Miniature Ball Bearings 7x22x7 mm Sealed RS Rubber Shielded with PTFE Cage High Precision Ceramic Bearings Set for Hobby Motors RC Models CNC Jewelry Making and Precision Projects

30-Pack Full Ceramic 7x22x7mm Zirconia Ball Bearings 627-2RS
✔️ Pack: 30 pcs, 7x22x7 mm, full ceramic ZrO2 bearings

These 627-2RS full ceramic bearings use zirconia ceramic balls and races with a PTFE cage, delivering low-friction, high-speed performance in precise machinery. Ideal for CNC spindles, robotics, and other high-demand applications. This 30-pack ensures ready supply for maintenance or bulk projects.

✅ Size: 7 mm bore, 22 mm outer, 7 mm width
✅ Full ceramic construction: zirconia balls and zirconia races
✅ Cage material: PTFE for low friction
✅ Seals: 2RS shields for contamination protection
✅ Pack: 30 bearings in each lot
✅ Applications: high-speed, corrosion-resistant performance in robotics and CNC

💡 What is a common use case for premium ceramic bearings in precision gear systems? Ceramic bearings deliver high speed and low friction where accuracy matters.

- high-speed spindle support for CNC machines and precision gear assemblies - low friction in dry, clean-room or dry-lubricated environments - corrosion resistance in wet or chemical exposure contexts - lightweight design suitable for robotics and aerospace applications