V-Rail Linear Rail - V-Guide VRS4-012 for Size 4 V-Wheels - Length: 12" Stainless Steel Simplicity Bearing while the FrelonGOLD® liner

while the FrelonGOLD® liner

400mm length with RC 50 Hardness™

Length: 1000 mm

Double Linear Ball Bearing 12mm ID Round-Flanged End Mount featuring a heat-treated alloy steel shell for durability

Encased in a standard cylindrical anodized aluminum shell

V-Rail Linear Rail - V-Guide VRS4-012 for Size 4 V-Wheels - Length: 12" Stainless Steel Simplicity Bearing while the FrelonGOLD® linerV Rail Stainless Steel Linear Rail, 12" long, matching Size 4 V wheels (60mm diameter roller bearings sold separately). This undrilled solid 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