Full Ceramic Angular Contact Bearing 7904 20x37x9mm Zirconium Oxide Ball Bearing for High Speed Precision Machinery and Low Friction High Durability and Corrosion Resistant Performance
UPC: 00193019272022
Type: Full Ceramic Angular Contact Ball Bearing
Balls: ZrO2 (Zirconium Oxide) Ceramic
Inner/outer races: ZrO2 (Zirconium Oxide) Ceramic
Cage: PTFE or PEEK
✔️ 20x37x9 mm full ceramic, ZrO2 races, PTFE cage option Pack Size: 1
A compact, full ceramic angular contact ball bearing featuring zirconia inner and outer races and a PTFE cage. This design delivers low friction, corrosion resistance, and stable performance in high-speed, precision setups. Commonly used in precision machinery, lab equipment, clean-room robotics, and other environments where dry operation and longevity are critical.
✅ Inner diameter: 20 mm
✅ Outer diameter: 37 mm
✅ Width: 9 mm
✅ Material: ZrO2 ceramic for inner/outer races
✅ Cage material: PTFE or PEEK
✅ Max temperature: 180 C (356 F)
✅ Count: 1 bearing
💡 What is a full ceramic angular contact bearing used for in high-precision machinery?
These handy bearings tackle high-speed operation, dry friction, and corrosion resistance across demanding environments.
- Handy for precision machines requiring low friction and long life- Ideal for linear slide units and robotics where precise axial and radial support matters
- Great for medical devices and laboratory setups needing clean-room performance and high temperature tolerance