... sizes available. We supply a comprehensive range of ceramic bearings. Ceramic bearings usually weigh 40% less than ball bearings ... lubrication degradation, which results in increased bearing life. Ceramic bearings are applied on high temperature, high speed, ... , INA, NSK, TIMKEN, NTN, NACHI, KOYO,IKO, NACHI Chinese : ZWZ , LYC, HRB, HXB .OEM : According to customers’ requirements ceramic bearing