71903 Full Ceramic Angular Contact Ball Bearing 17x30x7mm Zirconia Ceramic Inner And Outer Race For High Speed Precision, Low Friction, Lightweight And Corrosion Resistant Performance In Industrial Machinery And Automotive Applications

Single 17x30x7mm full ceramic angular bearing
✔️ ZrO2 ceramic bearing, inner/outer races, PTFE/PEEK cage, 17x30x7mm

A high-performance full ceramic angular contact bearing designed for cleanroom and precision machinery. Ideal for high-speed spindles, linear slide units, and lab equipment where dry operation and resistance to heat or corrosion matter.

✅ Inner diameter 17 mm, outer diameter 30 mm, width 7 mm
✅ Ceramic zirconia inner/outer races
✅ Cage material PTFE or PEEK
✅ Temperature rating up to 180 C (356 F)
✅ 1 bearing per pack (single unit)
✅ Suitable for sealed operation in clean environments

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

These handy bearings are built for high-speed applications and environments where heat, friction, and cleanliness matter.

- High-speed spindle support in CNC machines and robotics - Vacuum or cleanroom compatible for delicate instruments - Long life with ceramic cages reducing wear - Lightweight, compact design for tight assemblies