V-Rail Linear Rail - V-Guide VRD3-048 for Size 3 V-Wheels - Length: 48" Drilled Carbon Steel Open Linear Plain Bearing Chrome plated Double Roller Pillow

Chrome plated Double Roller Pillow Block Bearing (DPB)

where ball bearings can fail because of lubricant loss

and 1/4" length with a round flange

with no separate insert

The Float designation means that

V-Rail Linear Rail - V-Guide VRD3-048 for Size 3 V-Wheels - Length: 48" Drilled Carbon Steel Open Linear Plain Bearing Chrome plated Double Roller PillowV Rail Linear Rail, 48" long, pre drilled, matching Size 3 V wheels (these are 45mm diameter roller bearings sold separately). This v groove rail is part of PBC Linears V Guide series. Constructed from induction hardened 1045 carbon steel, it is ground and polished for a high quality surface that minimizes friction and wear. Pre drilled with 3" hole spacing, it simplifies installation with a shoulder for precise mounting. The dual row angular contact