Ejiri ihe seramiiki niile, gụnyere zirconia (ZrO2), silicon nitride (Si3N4) na silicon carbide (Sic). A na-eji polytetrafluoroethylene, naịlọn 66, polyetherimide, zirconia, silicon nitride, igwe anaghị agba nchara ma ọ bụ aluminom ụgbọ elu pụrụ iche, si otú ahụ gbasaa ngwa ngwa nke bearings seramiiki.