Angular Contact Full Ceramic Bearing 7004 20x42x12mm Zirconia Oxide Ceramic Ball Bearing High Precision Low Friction Corrosion Resistant Lightweight For Aerospace Machinery Robotics And Precision Equipment

1x Precision 7004 Full Ceramic Angular Bearing 20x42x12mm
✔️ Full ceramic 7004 bearing with ZrO2 races and PTFE cage 20x42x12mm

The 7004 full ceramic angular contact bearing is a high-precision component built entirely from zirconia ceramic for low friction and excellent heat resistance. It's commonly used in labs, medical devices, aerospace tooling, and high-speed equipment where contamination-free operation and long life are critical.

✅ Inner diameter 20 mm
✅ Outer diameter 42 mm
✅ Width 12 mm
✅ Material: inner/outer races ZrO2 (zirconium oxide)
✅ Cage: PTFE (polytetrafluoroethylene)
✅ Max temperature: 180 C (356 F)
✅ Type: Angular contact, full ceramic
✅ Pack size: 1 piece

💡 What is a ceramic angular contact bearing used for in precision machinery?

These bearings offer high stiffness, low friction, and excellent heat tolerance for precise motion in demanding setups. Handy for clean environments and high-speed runs.