Four Pack SBR20UU Linear Bearing Blocks 20mm Open Slide Bearings For SBR20 Linear Motion Shafts Guides And Rails Ideal For 3D Printers CNC Routers Aluminum Silver

Four-pack SBR20UU aluminum bearing blocks for 20mm rails
✔️ Includes 4 bearing blocks and 4 wrenches for 20mm SBR20UU rails

These lightweight aluminum bearing blocks fit the 20mm SBR20UU linear guide rails, offering sturdy support and smooth, precise motion for DIY CNC machines, 3D printers, and robotics.

✅ Material: Aluminum alloy; Color: Silver Tone; Model: SBR20UU; Overall Size: 49.8x48x37.5 mm / 2x1.9x1.5 in
✅ Inner Diameter: 12 mm / 0.5 in; Mounting Hole Dia: 5 mm / 0.2 in; Minimum Opening Width: 12 mm / 0.35 in
✅ Hole Spacing: 35x35 mm / 1.4x1.4 in; Package: 4 bearing blocks + 4 wrenches
✅ Application: Suitable for 3D printers, CNC machines, robotics and other linear-motion systems

💡 What is a SBR20UU linear bearing block used for in hobby CNC machines and 3D printers? This handy component helps guide 20mm rails for smooth, accurate motion. - It is commonly used to mount and align 20mm rail blocks on frames - It reduces play and wear for repeatable positioning in DIY milling, laser cutters, and printers - It accepts 12 mm bearings for solid support

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