Beefy Four 2550mm Linear Rails and Eight SBR50UU Slider Blocks Kit For CNC Routers and 3D Printers, 50mm Guide Rails, Optional SBR50LUU Blocks, Heavy-Duty, Ready To Install
This heavy duty linear rail kit is designed for CNC routers and large format 3D printers. It combines long 50 mm guide rails with robust slider blocks to deliver precise, quiet motion and high load capacity in industrial automation and DIY machines.
This kit includes four 2550 mm (100.39 in) rails and eight SBR50UU slider blocks, built around a 50 mm shaft diameter for strong, stable guidance. It is ideal for CNC routers, frame-based milling, laser cutters, and high‑duty automation where smooth, accurate travel matters.
✅ Rail length: 2550 mm (100.39 in), 50 mm diameter carbon steel shafts
✅ Includes 8 SBR50UU slider blocks; block load up to 859 lbs each
✅ Heavy duty carbon steel with chromium coating for rust resistance
✅ End stops and handle options available for customized control
✅ Lead time: 7-10 business days (air); sea option around 45 days
✅ 3 month warranty against manufacturing defects, subject to proper use
💡 What is a linear rail kit used for in CNC routers and 3D printers? In simple terms, it provides a precise, guided path for moving components, tools, or beds along a straight line, enabling accurate cutting, engraving, or layer deposition.
- provides precise linear motion for moving carriages and tool heads - supports heavy loads with low friction for smooth, quiet operation - easy to customize with end stops and adjustable block tightness - pairs well with sealed ball bearing systems and ceramic variants for longevity