Full Ceramic ZrO2 Ball Bearing 9x17x5mm Miniature For Precision Machinery And Industrial Applications Zirconia Oxide Ceramic Bearing With High Hardness Corrosion Resistance Non Magnetic Low Friction

689 Full Ceramic Zirconia Ball Bearing 9x17x5mm (Single)
✔️ 9x17x5 mm full ceramic bearing, zirconia balls, PTFE cage

This 689 full ceramic bearing uses zirconia ceramic balls and ZrO2 races with a PTFE cage, designed for high-precision applications in precision machinery, medical devices, robotics, and clean-room equipment. This sealed ball bearing offers low friction and long life in demanding environments.

✅ Inner diameter 9 mm, outer diameter 17 mm, width 5 mm
✅ Material: ZrO2 ceramic balls and races with PTFE cage
✅ Temperature rating up to 180 C (356 F)
✅ Pack: 1 bearing per order

💡 What is a 689 full ceramic bearing best used for in precision machinery?

A handy pick for high-speed, clean-room, or corrosive environments where metal bearings struggle.

- High-speed spindle support with minimal heat and wear
- Resistance to chemicals and moisture for medical or lab use
- Lightweight and inert under many temperatures, ideal for automation