V-Rail Linear Rail - V-Guide VRSD3-072 for Size 3 V-Wheels - Length: 72" Drilled Stainless Steel RST Sleeve bearing of 50mm ID

Sleeve bearing of 50mm ID

but the TWN blocks are twice thee size

Ceramic coating provides hardness up to RC70

This Simplicity® bearing has a self-lubricating FrelonGOLD® liner bonded directly to the bore of a sturdy anodized aluminum body

V-Rail Linear Rail - V-Guide VRSD3-072 for Size 3 V-Wheels - Length: 72" Drilled Stainless Steel RST Sleeve bearing of 50mm IDStainless Steel Linear V Rail, pre drilled 72" 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.