... : Si3N4 ceramicSize Range:From 3mm to 200mm,standard & non-standardType:More than 350 types, including metric and inch ... , angular contact bearing, plain bearing, and spherical bearing. Open type, seal rings, shields can be provided.Retainer: NYLON, PTFE, ... PEEK, steel, bronze, or full complements.Non-standard bearing can be designed and provided upon requirement.Features ...