... nonmagnetic insulated, high temperatures of full ceramic bearing:1. (Outer, inner ring and ball with ceramic ZrO2 material, the cage with ... attainability within 260 centi-grade4. (Outer, inner ring and ball with ceramic Si3N4 material, no cage) the temperature will ... attainability 260~1100 centi-grade About the Ceramic bearing's cage material have PEEK, UPE, PA66, and PTFE ...