Choose shielded carbon steel (VW series) or permanently sealed and lubricated carbon steel (VWS series) and stainless steel V-Wheel Roller Bearings (VWSS series) with concentric or eccentric bushings in both inch and metric sizes. The precision dual row angular contact design enhances performance on matching linear rails. These roller bearings are specifically made from 52100 bearing steel or 420 stainless steel, with options for 304 stainless steel or nitrile rubber seals. They are available in the four industry standard outer diameter sizes: 20, 30, 45, and 60mm.