30 Pack Full Ceramic 623-2RS Zirconia Ball Bearings 3 By 10 By 4 Mm With PTFE Cage Low Friction High Precision Miniature Bearings For Medical Devices Robotics And Precision Machinery

30-Pack Full Ceramic 623-2RS Miniature Bearings 3x10x4mm
✔️ 3x10x4 mm full ceramic bearings, 30 pcs, sealed 2RS, ZrO2

These are full ceramic 623-2RS miniature bearings built for precision work in compact assemblies, where low friction and high cleanliness are critical. They’re commonly used in hobby robotics, micro gear trains, medical devices, and other small machines that demand reliable, sealed performance.

✅ Inner diameter 3 mm, outer diameter 10 mm, width 4 mm
✅ Full ceramic construction: ZrO2 balls and races, PTFE cage
✅ Sealed 2RS design for contamination resistance
✅ Pack size: 30 bearings for bulk purchases

💡 What is a common use for ceramic miniature bearings in precision micro machinery?

They excel in clean, low-friction operation where small parts need long life. - Handy in medical devices and lab equipment for clean operation
- Great for RC micro models and precision gear trains
- Excellent in high-temperature or moisture-prone environments
- Reduces lubrication needs in sealed systems