... , nonmagnetic insulated, high temperatures of full ceramic bearing:1. (Outer, inner ring and ball with ceramic ZrO2 material, the cage with PTFE ... 260 centi-grade 2. (Outer, inner ring and ball with ceramic ZrO2 material, no cage) the temperature will attainability 260~300 ... centi-grade About the Ceramic bearing's cage material have PEEK, UPE, PA66, and PTFE ...