Full Ceramic Sealed Bearing 6905-2RS Zirconia 25mm X 42mm X 9mm High Precision Low Friction Non Magnetic With PTFE Cage For Corrosion Resistance Dry Operation And Temperature Stability In Precision Machinery

Single bearing 6905-2RS full ceramic sealed bearing 25x42x9
✔️ 25mm bore, 42mm OD, 9mm W, zirconia ceramic balls, PTFE sealed

This 6905-2RS is a full ceramic sealed bearing built for precision motion in robotics, CNC machines, and lab instrumentation, offering corrosion resistance and low contamination risk.

✅ Inner diameter 25 mm
✅ Outer diameter 42 mm
✅ Width 9 mm
✅ Ball material: zirconia ceramic (ZrO2)
✅ Cage: PTFE (white)
✅ Seals: PTFE covers (white)

💡 What is a full ceramic sealed bearing used for in precision equipment?

It's handy for machines that run hot, require clean operation, and demand long life.

- handy for robotics and CNC axes that demand precise, low-friction motion
- offers high temperature resistance and chemical protection
- reduces contamination risk in clean-room and lab environments