... resistant 2.Corrosion resistant 3.Longer lasting 4.ISO9001 certificate 5.Plenty of stock Size Range:From 3mm to 200mm,standard & ... than metal, so the change of clearance of full ceramic bearing is smaller than that of metal bearing.4. More resistance ... , valve & pump, food, electronic, medical, vacuum, refining, insulation, etc.Note:Full ceramic bearing is not suitable for heavy loading, impact ...