Full Ceramic Ball Bearing 9x17x5 Mm Zirconium Oxide Miniature Radial Bearing For Precision Machinery And Industrial Applications 9 Mm Inner Diameter 17 Mm Outer Diameter 5 Mm Width

9x17x5mm Full Ceramic Ball Bearing, 689 Series (1 pc)
✔️ ID 9mm x OD 17mm x W 5mm, full ceramic ZrO2 bearing

689 Full Ceramic Ball Bearing with zirconium oxide components, compact 9x17x5 mm. This single bearing is built for precision machinery, robotics, and medical devices where high hardness, low friction, and corrosion resistance matter.

✅ Outer diameter 17 mm, inner diameter 9 mm, width 5 mm
✅ All-ceramic construction: zirconium oxide balls and races
✅ Cage material PTFE for low friction and smooth operation
✅ Temperature rating up to 180°C (356°F)
✅ Pack: 1 bearing in a compact miniature package

💡 What is a ceramic bearing used for in precision machinery? Ceramic bearings are handy for tough conditions where accuracy and longevity matter. - High-temperature tolerance and low friction for long life - Strong corrosion resistance in wet or chemically active settings - Lightweight, precise movement in robotics and CNC systems