{"product_id":"heavy-duty-scs12luu-300mm-linear-rails-with-sbr12u","title":"Heavy Duty SCS12LUU 300mm Linear Rails With SBR12UU Slide Blocks Precise Smooth Motion System For CNC Machines 3D Printers Robotics And Automation Projects And Prototyping","description":"\u003cdiv\u003eHeavy Duty 300mm Linear Rails with SBR12UU Blocks\u003cbr\u003e\n✔️ Includes 2 rails and 4 blocks; 300mm long, 12mm dia rail \u003cp\u003eThese heavy-duty linear rails deliver precise and smooth motion for CNC routers, 3D printers, lathes, and automation projects. They pair carbon steel rails with aluminum bearing blocks and include pre-drilled mounting holes for easy setup.\u003c\/p\u003e \u003cp\u003e✅ 300mm length rail with 12mm diameter shaft; 40x40x28 mm blocks; weight 1316 g per package \u003cbr\u003e✅ Material: high carbon steel rails, aluminum alloy blocks with silver plating; hardness up to HRC62 \u003cbr\u003e✅ Includes 2 rails and 4 blocks; pre-drilled mounting holes for quick installation \u003cbr\u003e✅ Dynamic load 860 N; static load 1370 N; precision grade H\u003c\/p\u003e \u003cp\u003e💡 What is a long-tail question about linear rail kits for DIY CNC and automation?\u003cbr\u003e A handy answer: They provide precise motion and easy mounting for compact machines.\u003cbr\u003e - 300 mm length rails with 12 mm diameter for accuracy\u003cbr\u003e - includes 2 rails and 4 blocks for a ready-to-run kit\u003cbr\u003e - pre-drilled mounting holes simplify installation\u003cbr\u003e - hardened rails with aluminum blocks resist wear\u003c\/p\u003e✝️\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":49118271701227,"sku":"VXB0791FBYBC","price":102.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/616Tg_yGegL.jpg?v=1785182196","url":"https:\/\/vxb.com\/products\/heavy-duty-scs12luu-300mm-linear-rails-with-sbr12u","provider":"VXB Bearings","version":"1.0","type":"link"}