Full ceramic bearing have excellence performance as special electrical and magnetism resistance, wear and corrosion resistance,lubrication and maintenance free when working,especially high and low- temperature application .etc. could be used in awful environment and specially condition. The rings and balls made by full ceramic material:ZrO2, as a standard constructure,the cage made by PTFE, generally we also could make the cage with GFRPA66-25,PEEK,PI,AISI SUS304,SUS316,Cu,etc.