... life 2,Competitive price 3,Quick delivery,good service 4,ceramic bearing ceramic ball bearings Features: 1) Out and inner ring: ... zirconia3) Retainer: PTFE, nylon, PEEK or stainless steelFull ceramic bearing is non-magnetic, non-conductive, wear and corrosion resistant.It ... for low and high temperatureusage. At present, full ceramic bearing has been applied in chemical, metallurgical,food, electronic ...