CNC Linear Rail Kit SBR20 with 2pcs 500mm Rails & 4pcs SBR20UU Square Blocks, 20mm Supported Linear Guide System Made from Bearing Steel & Aluminum for CNC Machines, 3D Printers, Routers & Automation Builds
20mm SBR Linear Rail Kit with Square Bearing Blocks for CNC Machines
✔️ SBR20 Linear Guide Set with 500mm Rails and 4 SBR20UU Blocks
This complete linear rail kit is built for CNC machines, 3D printers, and DIY automation projects that need smooth, stable linear motion with solid load support. It combines supported 20mm linear rails with precision square bearing blocks, making it a handy setup for accurate positioning and repeatable movement. Pack size includes two rails and four matching bearing blocks.
✅ Pack size: 2 linear rails and 4 square bearing blocks
✅ Rail type: SBR20 supported linear rail system
✅ Rail diameter: 20mm 0.79 inch
✅ Rail length: 500mm 19.7 inch
✅ Bearing blocks: SBR20UU square type linear blocks
✅ Material: bearing steel rail with aluminum support base
✅ Surface finish: chrome plated for rust and wear resistance
✅ Smooth motion with low operating noise
✅ Adjustable bearing block tightness for precise fit
✅ Includes M6 mounting screws for easy installation
✅ Designed for CNC routers, machine tools, and automation equipment
Dimensions
Rail Diameter 20mm 0.79 inch
Rail Length 500mm 19.7 inch
Lieferumfang
-Linearführungen 2 pcs
-Lagerblöcke 4 pcs
💡 What is a supported linear rail system used for in CNC and automation setups?
Supported linear rail systems are used when stability, accuracy, and load control are important in linear motion designs.
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Supported linear rails reduce shaft flex and improve rigidity over longer travel lengths
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Square linear bearing blocks provide smooth travel and consistent positioning accuracy
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SBR rail systems are commonly used in CNC routers, automation frames, and industrial machinery
This linear rail kit is a solid choice when you want steady motion, easy mounting, and reliable performance for CNC builds or heavy duty DIY linear motion projects.