{"product_id":"heavy-duty-linear-rail-kit-2950mm-rails-with-8-sbr","title":"Heavy Duty Linear Rail Kit 2950mm Rails With 8 SBR50UU Slides And Optional SBR50LUU Blocks For CNC Router And 3D Printer 50mm Shaft Diameter Ultra Smooth Linear Motion System","description":"\u003cdiv\u003eHeavy Duty 2950mm Linear Rail Kit with 50mm Sliders for CNC\n✔️ 2950mm rail length, 4 rails, 8 SBR50UU blocks, 50mm shaft\n \u003cp\u003eThis heavy duty linear rail kit is a complete motion system designed for precise, high-load linear guidance on CNC routers and 3D printers. It includes four 2950mm rails with 50mm diameter shafts and eight SBR50UU slider blocks, delivering ultra-smooth movement and strong load capacity. Optional SBR50LUU blocks are available, and you can customize end stops and a handle to adjust slider preload. The carbon steel shafts are chromium-coated for durability and rust resistance. Warranty is 3 months from receipt; contact via Amazon if you need service.\u003c\/p\u003e \u003cp\u003e✅ Rail length: 2950 mm (116.14 in); shaft diameter: 50 mm (1.97 in); four rails included, eight SBR50UU blocks\u003cbr\u003e\n✅ Weight capacity: 859 lbs per block; 6870 lbs total for 8 blocks\u003cbr\u003e\n✅ Material: Carbon steel with chromium coating; rust-resistant for industrial use\u003cbr\u003e\n✅ Bearings: High-precision linear bearings inside SBR50UU blocks for smooth, quiet motion\u003cbr\u003e\n✅ Customization: End stops and preload handle options available\u003cbr\u003e\n✅ Warranty: 3 months from receipt\u003cbr\u003e\u003c\/p\u003e \u003cp\u003e💡 What is a heavy duty linear rail kit used for in CNC routers and 3D printers?\u003c\/p\u003e\n\u003cp\u003eIt's a handy setup for guiding moving parts with accuracy and reliability.\u003c\/p\u003e\n- Provides precise, repeatable motion along guided rails\n- Supports high-load operations in milling and printing\n- Includes end stops and preload adjustment\n- Compatible with 50mm shaft diameter rails and SBR blocks\n\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":48269018628331,"sku":"VXB0D7BTRY1Z","price":11869.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/614LIekdqAL.jpg?v=1778760405","url":"https:\/\/vxb.com\/products\/heavy-duty-linear-rail-kit-2950mm-rails-with-8-sbr","provider":"VXB Bearings","version":"1.0","type":"link"}