Cincin sareng awak ngagulung tina bantalan keramik didamel tina bahan sadaya-keramik, kalebet zirconia (ZrO2), silikon nitrida (Si3N4) sareng silikon karbida (Sic). retainer dijieunna tina polytetrafluoroethylene, nilon 66, polyetherimide, zirconia, silikon nitride, stainless steel atawa aluminium aviation husus, sahingga ngembangna beungeut aplikasi tina bantalan keramik.