{"product_id":"linear-guide-rail-set-20mm-800mm-2-rails-4-blocks","title":"Linear Guide Rail Set, 20mm, 800mm, 2 Rails, 4 Blocks","description":"\u003cp\u003eLinear guide rail set delivers smooth, accurate motion control for CNC routers, 3D printers, and automation builds—helping reduce stutter, noise, and misalignment. This 800 mm linear rail kit pairs carbon steel shafts with an aluminum base and preloaded ball-bearing slide blocks for stable travel under load. Designed for repeatable positioning, it’s built for workshop upgrades, DIY machine frames, and high-load linear motion where consistent glide matters.\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e\u003cul\u003e\n\u003cbr\u003e\u003cli\u003eIncludes 2 × 800 mm (31.5 in) SBR20 guide rails and 4 × SBR20UU slide blocks for a complete linear motion upgrade.\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eDelivers smooth, low-friction travel with built-in ball bearings to reduce sticking and vibration during operation.\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eSupports high loads with dynamic load 882 N per block and static load 1370 N per block for stable machine movement.\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eImproves repeatability with precise shaft straightness and accurate mounting holes for easier alignment and setup.\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eFits CNC routers, mills, lathes, laser engravers, 3D printers, sleds, and other automated machine DIY projects.\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cbr\u003e\u003cp\u003eBuilt for demanding motion systems, this linear rails and bearings kit combines a sturdy aluminum base with high carbon steel shafts and a chrome-plated surface to resist rust in typical shop environments. The slide blocks are sized for dependable support and consistent glide across the full 800 mm travel, making it a practical choice for upgrades or new builds where accuracy and stability matter. Grab yours today and move your next CNC or automation project forward with confident, controlled linear motion.\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003cbr\u003e\u003cul\u003e\n\u003cbr\u003e\u003cli\u003eGuide rail length: 800 mm \/ 31.5 in (2 rails)\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eShaft diameter: 20 mm (SBR20)\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eSlide blocks: 4 × SBR20UU\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eMaterials: high carbon steel + aluminum; chrome-plated surface\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eDynamic load (per block): 882 N\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eStatic load (per block): 1370 N\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eMounting hole distance A: 35 mm \/ 1.4 in\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eMounting hole distance B: 35 mm \/ 1.4 in\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eSlide block size (L×W×H): 50 × 48 × 39 mm \/ 2 × 1.9 × 1.5 in\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eProduct dimensions (L×W×H): 800 × 90 × 36.3 mm \/ 31.5 × 3.5 × 1.4 in\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eNet weight: 6.4 kg \/ 14.1 lb\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e","brand":"B2X","offers":[{"title":"Default Title","offer_id":55498679943495,"sku":"VEV-000888-B","price":476.0,"currency_code":"PLN","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0878\/5402\/2983\/files\/LinearGuideRailSet20mm800mm2Rails4BlocksDefaultTitle.jpg?v=1792508820","url":"https:\/\/bluemall.pl\/products\/linear-guide-rail-set-20mm-800mm-2-rails-4-blocks","provider":"Bluemall","version":"1.0","type":"link"}