... resistant to strong acid,alkali,salt and gas of deleterious, PFA/PEEK has long life,resistant to ... wear.high toughness,high modulus of elasticity. You can choose single or double bearing ... Cr(N):33.3 Cor(N):44.5 14Other types Note: cage and rolling element can be accordance ... ,ball bearings,roller bearings,machinery,hardware Brands:SHRNumber of Employees:101 - 500 People Why buy from ...