... be provided.Retainer: NYLON, PTFE, PEEK, steel, bronze, or full complements.Non-standard bearing can be designed and provided upon ... of ceramic are smaller than metal, so the change of clearance of full ceramic bearing is smaller than that of ... in following industries: chemical, semi-conductor, valve & pump, food, electronic, medical, vacuum, refining, insulation, etc.Note:Full ceramic bearing is not ...