Detailed Product Description Kove Bearing widely used in assembling of semiconductor, plating machine, PCB machine, ... , nonmagnetic insulated, high temperatures of full ceramic bearing:1. (Outer, inner ring and ball with ceramic ZrO2 material, the cage with PTFE) the ... ) the temperature will attainability 260~300 centi-grade About the Ceramic bearing's cage material have PEEK, UPE, PA66, and PTFE and ...