{"product_id":"pro-grade-sbr12-400mm-linear-rails-kit-with-four-s","title":"Pro Grade SBR12 400mm Linear Rails Kit With Four SBR12UU Blocks For CNC Machines And Automated Equipment, High Precision Rails And Bearing Set For Easy Mounting And Smooth, Reliable Motion","description":"\u003cdiv\u003ePro Grade SBR12 400mm Linear Rails Kit with 4 Blocks\u003cbr\u003e\n✔️ 2x SBR12-400 rails (15.7 in) with 4x SBR12UU blocks for motion \u003cp\u003eThis CNC-ready linear rail kit combines two SBR12-400 mm rails with four SBR12UU blocks, delivering smooth, reliable motion for projects. Used in CNC machines, automation equipment, and large-scale transmission systems.\u003c\/p\u003e ✅ Includes 2 x SBR12-400 mm rails and 4 x SBR12UU blocks \u003cbr\u003e\n✅ Made from bearing steel and aluminum alloy with chrome plating for rust resistance \u003cbr\u003e\n✅ Adjustable tightening via the guide block handle for precise positioning \u003cbr\u003e\n✅ High-precision linear bearings deliver smooth, reliable motion \u003cbr\u003e\n✅ Ideal for DIY CNC routers, lathes, laser welders, and automation equipment \u003cbr\u003e\n \u003cp\u003e💡 What is a linear rail kit used for in CNC and automation projects? A handy overview for planning and purchasing.\n- Provides guided, low-friction motion for moving components in CNC machines\n- Improves positioning accuracy and repeatability in automation tasks\n- Eases mounting on common aluminum or steel frames with standard holes\n- Supports integration with compatible SBR12UU blocks and 400 mm rails\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":48077121192171,"sku":"VXB08B32PT5K","price":88.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/612bSzBnVcL.jpg?v=1775853194","url":"https:\/\/vxb.com\/products\/pro-grade-sbr12-400mm-linear-rails-kit-with-four-s","provider":"VXB Bearings","version":"1.0","type":"link"}