V-Rail Linear Rail - V-Guide VRSD3-048 for Size 3 V-Wheels - Length: 48" Drilled Stainless Steel Open Linear Plain Bearing 20mm outer diameter (Size 1)

20mm outer diameter (Size 1) and permanently sealed and lubricated

A set of three opposing roller bearings includes one eccentric bearing that allows for alignment adjustments

not ball bearings nor roller bearings

and shock resistance

To adjust the carriage preload

V-Rail Linear Rail - V-Guide VRSD3-048 for Size 3 V-Wheels - Length: 48" Drilled Stainless Steel Open Linear Plain Bearing 20mm outer diameter (Size 1)Stainless Steel Linear V Rail, pre drilled 48" long, for Size 3 V wheels (45mm diameter roller bearings sold separately). This v groove rail is part of PBC Linears V Guide series. Constructed from 400 series stainless steel, it is polished for a high quality surface that minimizes friction and wear. Simple installation with a shoulder for precise mounting. The dual row angular contact design enhances load capacity for reliable high speed performance.