--- product_id: 352428913 title: "2Pcs SBR20-400mm/15.7 inch Linear Fully-Supported Rail and 4Pcs SBR20UU Block, Linear Motion Bearing Block for SBR20 Linear Guide Rail for CNC Machine" brand: "guwanji" price: "€ 163.72" currency: EUR in_stock: true category: "Guwanji" url: https://www.desertcart.com.cy/products/352428913-2pcs-sbr20-400mm-15-7-inch-linear-fully-supported-rail store_origin: CY region: Cyprus --- # 400mm precision rail length 4 high-precision SBR20UU bearing blocks Chrome-plated anti-rust surface 2Pcs SBR20-400mm/15.7 inch Linear Fully-Supported Rail and 4Pcs SBR20UU Block, Linear Motion Bearing Block for SBR20 Linear Guide Rail for CNC Machine **Brand:** guwanji **Price:** € 163.72 **Availability:** ✅ In Stock ## Summary > ⚙️ Elevate your CNC game with precision that moves you forward! ## Quick Answers - **What is this?** 2Pcs SBR20-400mm/15.7 inch Linear Fully-Supported Rail and 4Pcs SBR20UU Block, Linear Motion Bearing Block for SBR20 Linear Guide Rail for CNC Machine by guwanji - **How much does it cost?** € 163.72 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.cy](https://www.desertcart.com.cy/products/352428913-2pcs-sbr20-400mm-15-7-inch-linear-fully-supported-rail) ## Best For - guwanji enthusiasts ## Why This Product - Trusted guwanji brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Precision Perfected:** 400mm SBR20 rails engineered for ultra-smooth, low-noise linear motion. - • **Rock-Solid Stability:** Aluminum alloy supports combined with bearing steel ensure maximum durability and rigidity. - • **Effortless Adjustment:** Integrated handle lets you fine-tune slider tightness for flawless positioning every time. - • **Plug & Play Compatibility:** Standardized M6x20 screws and blocks make installation seamless for DIY pros and pros alike. - • **Industrial-Grade Reliability:** Chrome plating resists rust and wear, keeping your CNC or robotic setup running flawlessly. ## Overview This kit includes two 400mm SBR20 linear rails and four SBR20UU bearing blocks, crafted from bearing steel and aluminum alloy with chrome plating for corrosion resistance. Designed for CNC machines, industrial robots, and other automated equipment, it delivers smooth, low-noise linear motion with adjustable tightness and robust durability, making it an essential upgrade for precision-driven professionals. ## Description SpecificationMaterial: Bearing steelPerformance: Smooth motion, low noiseRail Shafts: 2Pcs SBR20-400mmBearing Blocks: 4Pcs SBR20UURail shaft length: 400mm/15.7 inchFeaturesComplete Linear Rail KitsLinear rail kit includes 2 pieces of 400mm/15.7 inch long SBR20 rail shafts and 4 pieces of SBR20UU blocks. Corrosion-resistant, high strength, and wear resistance.Surface chrome plating treatment beautiful anti-rust, high hardness, with high accuracy and strong durability.Cylindrical guide composed of principal rail and aluminum support, stabilizing the original rail. Premier quality bearing blocks moves smoothly while using.The linear motion products and technology are widely used for automatic mechanical facilities under common accuracy. Our rail shaft is made with good quality steel plus aluminum alloy. It is a perfect combination of main axle and aluminum support, which nicely stabilizes the original rail. Premier quality bearing blocks moves smoothly while using.Package include2Pcs SBR20-400mm Linear Rail4Pcs SBR20UU Blocks Bearing ## Features - 2 pieces of linear rail SBR20-400 mm/15.7 inch long and 4 SBR20UU blocks, sliding blocks to be used cooperatively with rails, high precision and easy to mount dismount - SBR20 linear rails are made of good bearing steel and aluminum alloy, surface chrome plating treatment beautiful anti-rust, high hardness, more durable - Industry-standard SBR block with high-precision linear bearing inside. The adjustment handle can adjust the tightness of the slider, standardized processing, ideal for positioning the guide rail.16 pieces M6x20 screws can connect the sliding bearing blocks and plates as accessories - Perfect combination of main axle bearing rail and aluminum alloy support, which nicely stabilizes the original rail. Industrial-grade standard SBR block, with high precision linear bearing inside - SBR20 linear rails apply for DIY CNC routers, lathes, machine tools, bending machines, laser welding machines, etc. Also applicable for large-scale transmission equipment, including industrial robots, cracker machines ## Technical Specifications | Specification | Value | |---------------|-------| | Customer Reviews | 4.4 out of 5 stars 244 Reviews | ## Images ![2Pcs SBR20-400mm/15.7 inch Linear Fully-Supported Rail and 4Pcs SBR20UU Block, Linear Motion Bearing Block for SBR20 Linear Guide Rail for CNC Machine - Image 1](https://m.media-amazon.com/images/I/715PzjckvCL.jpg) ![2Pcs SBR20-400mm/15.7 inch Linear Fully-Supported Rail and 4Pcs SBR20UU Block, Linear Motion Bearing Block for SBR20 Linear Guide Rail for CNC Machine - Image 2](https://m.media-amazon.com/images/I/61UEbLATzSL.jpg) ![2Pcs SBR20-400mm/15.7 inch Linear Fully-Supported Rail and 4Pcs SBR20UU Block, Linear Motion Bearing Block for SBR20 Linear Guide Rail for CNC Machine - Image 3](https://m.media-amazon.com/images/I/61nBYX2hFpL.jpg) ![2Pcs SBR20-400mm/15.7 inch Linear Fully-Supported Rail and 4Pcs SBR20UU Block, Linear Motion Bearing Block for SBR20 Linear Guide Rail for CNC Machine - Image 4](https://m.media-amazon.com/images/I/51RGAwuRwsL.jpg) ![2Pcs SBR20-400mm/15.7 inch Linear Fully-Supported Rail and 4Pcs SBR20UU Block, Linear Motion Bearing Block for SBR20 Linear Guide Rail for CNC Machine - Image 5](https://m.media-amazon.com/images/I/51MMECyarML.jpg) ## Available Options This product comes in different **Size, Style** options. ## Frequently Bought Together - GUWANJI 2Pcs SBR20-800mm Linear Slide Guide Rail with 4Pcs SBR20UU Bearing Block, Linear Sliding Guideway Length 31.5 inch(800mm) for Fully suppoeted Shaft Rod - Shaft Collar for SBR20 Linear Rail Stop, 20mm Bore 40mm OD 12mm Thickness Aluminum Alloy Anodized Clamp-On with M5 Set Screw, Locking Collars for CNC and Linear Motion Systems - VEVOR Linear Rail Slide SFC20-1000mm 2 PCS 39.4 in/1000mm SFC20 Guide Rails 4 PCS SC20 Slide Blocks 4 PCS Rail Supports Linear Rails and Bearings Kit for Automated Machines CNC DIY Project --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.com.cy/products/352428913-2pcs-sbr20-400mm-15-7-inch-linear-fully-supported-rail](https://www.desertcart.com.cy/products/352428913-2pcs-sbr20-400mm-15-7-inch-linear-fully-supported-rail) --- *Product available on Desertcart Cyprus* *Store origin: CY* *Last updated: 2026-07-22*