Specifications Ceramic bearings used in higher temperature environment Precision level: DIN P0 / ABEC 1,    Clearance C5 heat-resistant Stainless steel Cage from steel 1.4828 Type:  various type Working temperature: 820°C Ceramic bearings are made from Si3N4 which have greater hardness than steel, Ceramic bearing balls have smoother surface than most steel bearings balls. Ceramic bearings are applied on [...]