2Pcs MR85 Full Ceramic Bearing, 5x8x2mm Open Type Miniature Ball Bearing Zirconia ZrO₂ with PTFE/P age for Precision Machinery, Medical, High-Speed ApplicationsMachinery

Size - Model: MR85; Inner Diameter 5mm, Outer Diameter 8mm, Thickness 2mm Material - Rings and balls are made of zirconia (ZrO₂) ceramic; cage made of PTFE or PEEK; open type without seals Low Friction & High Speed - The open design and ceramic construction minimize friction, allowing smooth rotation and stable high-speed performance Corrosion Resistant & Non-Magnetic - Excellent resistance to corrosion, acids, and alkalis; completely non-magnetic and electrically insulating, ideal for precision electronic or medical instruments Wide Application - Suitable for laboratory equipment, automation systems, chemical processing, and miniature machinery requiring clean, lubrication-free operation