Ceramic 6308 Ball Bearing With Zirconia ZrO2 Balls, PTFE Cage, Ceramic Inner And Outer Rings, C3 Clearance, Bore 40mm, Outer 90mm, Width 23mm, High-Durability Low-Friction Precision Bearing

Full Ceramic 6308 Ball Bearing with ZrO2/PTFE, 40x90x23 mm
✔️ 40mm bore, 90mm OD, 23mm width; ZrO2 balls, PTFE cage

The 6308 full ceramic ball bearing uses zirconia ceramic balls and PTFE cages, with ceramic inner and outer races for heightened stiffness and low friction in challenging environments. It suits high-temperature equipment, clean rooms, and corrosion-sensitive applications where metal bearings fall short.

✅ Inner diameter: 40 mm
✅ Outer diameter: 90 mm; Width: 23 mm
✅ Material: zirconia ceramic balls and races; cage PTFE
✅ Lubrication: dry; Closures: Open; Clearance: C3
✅ Temperatura máxima: hasta 180°C 356°F)

💡 What is a ceramic ball bearing used for in high-precision equipment?

They shine in systems needing minimal friction, high stiffness, and corrosion resistance.

- Handy for high-speed, dry-running setups - Ideal for precision instrumentation and robotics - PTFE cages enable smooth, dry operation - Durable in temperature and chemical exposure environments