Full Ceramic Bearing 21.5x31x7mm With 21.5mm Inner Bore 6804 Modified Ceramic Ball Bearing For Industrial Machinery Precision Applications And High Speed Systems Such As Robotics CNC Automotive And Aerospace Components

Full Ceramic Bearing 21.5x31x7mm single unit
✔️ ID 21.5mm, OD 31mm, width 7mm; zirconia ceramic, PTFE cage

These full ceramic bearings are high-performance parts designed for precision machines, robotics, linear slide units, medical equipment, and demanding environments where non-magnetic, corrosion-resistant components matter. The 21.5mm ID bore, 31mm outer diameter, and 7mm width fit standard metric housings used in CNC gear and industrial equipment.

✅ Inner diameter 21.5 mm; outer diameter 31 mm; width 7 mm
✅ Material: Zirconia ceramic races and balls, PTFE cage
✅ Type: Full ceramic bearing, 6804 modified ball bearing
✅ Package: 1 bearing per order

💡 What is a full ceramic bearing used for in precision machinery and why choose zirconia? A handy, high-performance option for demanding environments: - High-speed, low-friction operation - Excellent chemical and corrosion resistance - Lightweight, non-magnetic construction - Long service life in challenging settings