{"product_id":"4-pack-mgn12-500mm-linear-rail-guide-kit-with-4-mg","title":"4 Pack MGN12 500mm Linear Rail Guide Kit With 4 MGN12H Bearing Carriages, Anti Rust Coating For Smooth 3D Printer And CNC Machine Upgrades, Built Tough With High Rigidity And Low Friction For Heavy Loads","description":"\u003cdiv\u003e4-Pack 500mm MGN12 Linear Rail Kit with 4 MGN12H Carriages\u003cbr\u003e\n✔️ Heavy-duty carbon steel rails, anti-rust coating, 500mm length \u003cp\u003eThe 4-pack MGN12 linear rail kit delivers smooth, precise linear motion for CNC machines and 3D printers. It's a common upgrade for Ender 3 and CR-10 builds to boost load capacity and print quality.\u003c\/p\u003e ✅ Length: 500 mm rail with 4 MGN12H carriages (19.685 in) \u003cbr\u003e\n✅ Anti-rust coating for long-term use \u003cbr\u003e\n✅ Carbon steel construction for high stiffness and low friction \u003cbr\u003e\n✅ End stoppers prevent carriage drops at ends \u003cbr\u003e\n✅ Compatible with Ender 3\/CR-10 and similar frame setups \u003cbr\u003e\n✅ Pack includes 4 rails and 4 carriages (4-pack) \u003cbr\u003e \u003cp\u003e💡 What is a pillow block bearing used for? A handy solution for supporting rotating shafts in machines and assemblies, providing alignment and load handling. - Handy for CNCs, 3D printers, automation rigs\n- Keeps shafts aligned and reduces play\n- Works with standard bore sizes and rail configurations\n- Reduces wear and noise with sealed bearing options\u003c\/p\u003e \u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":48077397197035,"sku":"VXB0BZ4NS1V2","price":199.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/61HjI3VX11L.jpg?v=1775863766","url":"https:\/\/vxb.com\/products\/4-pack-mgn12-500mm-linear-rail-guide-kit-with-4-mg","provider":"VXB Bearings","version":"1.0","type":"link"}