Full Ceramic Ball Bearing 40x52x7mm Zirconia ZrO2 2RS Sealed With PTFE Cage For High Precision And Low Friction In Precision Machinery And Robotics Ideal For CNC Medical Aerospace Automotive Lab Equipment

This full ceramic ball bearing uses zirconia ceramic balls and a PTFE cage. It's built for precision, with low friction, corrosion resistance, and the ability to run in clean rooms and high-temperature settings. Common in precision instruments, medical devices, and automated equipment where contamination must be avoided.

✅ Inner Diameter: 40 mm
✅ Outer Diameter: 52 mm
✅ Width: 7 mm
✅ Balls: Zirconia ceramic
✅ Cage: PTFE
✅ Seals: PTFE covers (white)

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

These bearings are handy for demanding setups where temperature, corrosion, and friction must be controlled.

• Low friction and high temperature tolerance maximize life in harsh environments
• Non-magnetic properties suit sensitive electronics and labs
• Zirconia balls and PTFE cage reduce wear and contamination
• Sealed RS design helps keep lubricants in and contaminants out