7304 Full Ceramic Angular Contact Ball Bearing 20mm Bore x 52mm OD x 15mm Width Ceramic Ball Bearing with PTFE Cage High Precision Low-Friction for High-Speed Applications in Aerospace, Precision Machinery and Robotics

Single full ceramic 7304 angular contact bearing 20x52x15
✔️ Inner 20mm, outer 52mm, width 15mm, full ceramic bearings

These angular contact bearings use full ceramic components for dry-running, high-temperature environments where cleanliness matters. They’re commonly found in robotics, precision CNC spindles, medical devices, and vacuum equipment.

✅ Inner diameter 20 mm, outer diameter 52 mm, width 15 mm (20x52x15)
✅ Material: zirconia ceramic balls and races; PTFE cage
✅ Temperature rating up to 180°C (356°F) for reliable operation
✅ Sealed PTFE cage reduces wear and allows dry operation

💡 What is a ceramic angular contact bearing used for in high-precision machinery? This handy tech is trusted when tight tolerances, dry running, and heat resistance are needed. - High-speed, low-friction operation with ceramic components - Clean environments and vacuum systems benefit from ceramic materials - High-temperature tolerance up to 180°C (356°F) for reliability - Long service life in robotics, CNC, aerospace, and medical devices