1.High Precision 2.Large Loading Capacity 3.Material:Bearing/Chrome/Carbon/Stainless steel 4.d:10-300mm D:20-500mm B:6-200mm Product Details MaterialChrome steel, Carbon steel, stainless steel, Bearing SteelSized:10-300mm D:20-500mmB:6-200mmCageBrass cage,steel cage,glass fiber reinforced polyamide cage.Seals typeOPEN,Z,ZZ,RS,2RS TypesSingle/Double Row/Four Point FeatureCarry large radial and bi- ...