{"product_id":"heavy-duty-linear-rail-kit-2850mm-rails-with-8-sbr","title":"Heavy Duty Linear Rail Kit 2850mm Rails With 8 SBR50UU Blocks 50mm Guide Sliders 4 Rails Optional SBR50LUU For CNC Router And 3D Printer Multi Axis Motion System","description":"\u003cdiv\u003eHeavy Duty Linear Rail Kit 2850mm: 4 Rails, 8 Blocks\u003cbr\u003e\n✔️ 4 rails, 8 slider blocks, 2850mm length, ready for CNC builds \u003cp\u003eThis heavy-duty linear rail kit provides rigid, smooth motion for CNC routers, multi-axis motion systems, and high-load 3D printer setups. Includes four 2850mm rails and eight SBR50UU blocks for solid guidance across long spans.\u003c\/p\u003e \u003cp\u003e✅ 4 x 2850mm rails, 50mm diameter, carbon steel with chromium coating \u003cbr\u003e\n✅ 8 SBR50UU slider blocks with high-precision bearings for smooth travel \u003cbr\u003e\n✅ Optional SBR50LUU blocks available on request \u003cbr\u003e\n✅ Load: single SBR50UU block 859 lbs; total for 8 blocks 6870 lbs \u003cbr\u003e\n✅ Customization: rail length, end stops, and a handle to adjust slider tightness\u003c\/p\u003e \u003cp\u003e💡 What is a handy way to use a heavy-duty linear rail kit in CNC or 3D printing projects?\u003c\/p\u003e\n\u003cp\u003eThese setups provide solid, repeatable motion and easy alignment for precise results.\u003c\/p\u003e\n- It suits long-span guidance in CNC routers and 3D printers\n- Great for multi-axis motion systems with high load requirements\n- Helps reduce vibration and improve finishing consistency\n- Works well with standard SBR50UU\/SBR50LUU blocks and end stops\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":48269025411307,"sku":"VXB0D7BMYS46","price":18829.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/614LIekdqAL_4c6670b1-67e3-4c34-842a-58838774daa2.jpg?v=1778760460","url":"https:\/\/vxb.com\/products\/heavy-duty-linear-rail-kit-2850mm-rails-with-8-sbr","provider":"VXB Bearings","version":"1.0","type":"link"}