... seriesf. UC300 seriesg. SA200 seriesh. SER200 seriesSpecifications: QualityHigh quality steel, chrome steel, long use life than 10 yearsQuality CertificationISO9001 ... ball bearings, thrust ball bearings, pillow block bearings, linear motion bearings and so onOwn brands: LKG, YAOXIN or OEMAddress: ... : 0086-510-82610897M.B.: 0086-13621512016 Skype: eileen19860322 HIGH QUALITY Outer spherical bearing