--- product_id: 446546074 title: "SBR20-800mm Linear Rail Linear Rails and Bearings Kit 2Pcs SBR20 800mm Long Fully Supported Shaft Guide with 4Pcs SBR20UU Linear Bearing Slide Block Linear Guide for CNC Equipments" brand: "cncmans" price: "Rp2359629" currency: IDR in_stock: true reviews_count: 8 category: "Cncmans" url: https://www.desertcart.id/products/446546074-sbr20-800mm-linear-rail-linear-rails-and-bearings-kit-2pcs store_origin: ID region: Indonesia --- # 800mm precision length 4 ball bearing blocks 4-point contact load balance SBR20-800mm Linear Rail Linear Rails and Bearings Kit 2Pcs SBR20 800mm Long Fully Supported Shaft Guide with 4Pcs SBR20UU Linear Bearing Slide Block Linear Guide for CNC Equipments **Brand:** cncmans **Price:** Rp2359629 **Availability:** ✅ In Stock ## Summary > ⚙️ Glide into precision — upgrade your CNC game with smooth, unstoppable motion! ## Quick Answers - **What is this?** SBR20-800mm Linear Rail Linear Rails and Bearings Kit 2Pcs SBR20 800mm Long Fully Supported Shaft Guide with 4Pcs SBR20UU Linear Bearing Slide Block Linear Guide for CNC Equipments by cncmans - **How much does it cost?** Rp2359629 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.id](https://www.desertcart.id/products/446546074-sbr20-800mm-linear-rail-linear-rails-and-bearings-kit-2pcs) ## Best For - cncmans enthusiasts ## Why This Product - Trusted cncmans brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Precision Engineered 800mm Rails:** Long, fully supported shafts for ultra-smooth linear motion. - • **Robust Four-Point Contact Design:** Evenly distributes load and self-aligns for flawless accuracy under pressure. - • **Premium Carbon & Bearing Steel Build:** Durable materials ensure longevity and resistance to wear and tear. - • **Versatile CNC & Industrial Compatibility:** Perfect for DIY CNC routers, laser machines, mills, and more. - • **Effortless Installation with Aluminum Alloy Supports:** Pre-drilled holes and included wrench make setup a breeze. ## Overview The CNCMANS SBR20-800mm Linear Rail Kit features two 800mm carbon steel rails paired with four high-quality SBR20UU ball bearing blocks housed in aluminum alloy. Designed with a four-point contact system, it offers balanced load distribution and self-alignment for high-precision linear motion. Ideal for CNC machines, laser cutters, and industrial automation, this kit ensures smooth, durable, and easy-to-install linear guidance. ## Description Product description CNCMANS LINEAR RAIL KIT This linear guide rail kit consists of 2pcs linear rails, 4pcs blocks, 16pcs screws to connect the sliding bearing blocks and plates, 1pcs locking handle to adjust the tightness of the sliding bearing block and position it, 1pcs wrench. The linear track is made of carbon steel and aluminum with chrome plated finish for rust resistance. Built-in 4 aluminum sliding blocks and ball bearings for smooth and unobstructed sliding. High Quality Steel Material The guide is made of high-quality carbon steel, surface oxidation treatment, beautiful and stainless Easy Installation First place the slider parallel to the rail and then carefully press it into rail Accurate and Quiet Operation The SBR block with high-precision linear bearing inside, it moves smoothly with low friction. High Precision Linear Guide The Industry-standard SBR sliding blocks and the linear shaft are perfectly matched to each other Wide Application The SBR linear rail set is versatile and suitable for all types of heavy-duty automation equipment and DIY projects, such as router/milling/lathe slides, 3D printers, laser engravers, CNC machines, trainer swivel plates, etc. SBR20-1500mm SBR12-1500mm SBR16-1500mm SBR25-1500mm What is the diameter of SBR12/SBR16/SBR20/SBR25? Hello, their diameters are 12mm/16mm/20mm/25mm. What is the diameter of SBR12/SBR16/SBR20/SBR25? Hello, their diameters are 12mm/16mm/20mm/25mm. What material is the linear guide made of? Is it stainless? Hello, the material of linear guide is made of carbon steel, bearing steel, and aluminum alloy for rust resistance and high durability. What material is the linear guide made of? Is it stainless? Hello, the material of linear guide is made of carbon steel, bearing steel, and aluminum alloy for rust resistance and high durability. Are CAD drawings available? Hello, unfortunately we don't have CAD drawings, but we have detailed data reference drawings. Are CAD drawings available? Hello, unfortunately we don't have CAD drawings, but we have detailed data reference drawings. Review: Fattening sled - Slides very smooth and works perfectly. Review: Smooth glide - Nice rails & they run smoothly ## Features - PAKAGE: This linear rail set includes 2x SBR20-800mm linear rails, 4x SBR20UU bearing blocks, 1x 4mm wrench, 1x M6*12mm Locking Handle ( adjusting the tightness of the slider block ), 16x M6*20mm screws (connecting the sliding bearing blocks and plates ). - MATERIAL: The guide rail is made of high-quality carbon steel, the bearing slider block is made of bearing steel with aluminum alloy housing, thickened material is not easy to damage; More steel bearing balls, low friction, light and flexible, smooth and unimpeded, longer service life. - DESIGN: Adopt four-point contact design, which can withstand loads evenly in all directions and self-aligning function, can absorb the assembly error of the mounting surface, with high precision under high load. - INSTALL: Aluminum alloy support with pre-drilled holes for ease of mounting. Conveniently install the bearing block by aligning the track with the mouth of the slide rail and pushing the bearing block until the it completely falls. - APPLICATIONS: This Linear Guide Rail can help build an linear motion system. Widely used for DIY CNC routers, grinding machine, lathes, mills, machine tools, laser welding machines, punch, automatic cutting machine, printer, X-Y table, etc. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09NBP51LG | | Bearing Number | 4 | | Bearing Type | Ball Bearing | | Best Sellers Rank | #52,815 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #32 in Linear Motion Guides | | Brand | CNCMANS | | Brand Name | CNCMANS | | Compatible Lubricant | Grease | | Customer Reviews | 4.2 out of 5 stars 67 Reviews | | Item Thickness | 20.2 Millimeters | | Manufacturer | CNCMANS | | Material | High-quality carbon steel, Bearing steel with aluminum alloy housing | | Material Type | High-quality carbon steel, Bearing steel with aluminum alloy housing | | Model | U31A20714J | | Outside Diameter | 20 Millimeters | | Part Number | U31A20714J | | UPC | 730759598632 | ## Product Details - **Bearing Number:** 4 - **Bearing Type:** Ball Bearing - **Brand:** CNCMANS - **Item Thickness:** 20.2 Millimeters - **Material:** High-quality carbon steel, Bearing steel with aluminum alloy housing ## Images ![SBR20-800mm Linear Rail Linear Rails and Bearings Kit 2Pcs SBR20 800mm Long Fully Supported Shaft Guide with 4Pcs SBR20UU Linear Bearing Slide Block Linear Guide for CNC Equipments - Image 1](https://m.media-amazon.com/images/I/61-Xbx9VIUL.jpg) ![SBR20-800mm Linear Rail Linear Rails and Bearings Kit 2Pcs SBR20 800mm Long Fully Supported Shaft Guide with 4Pcs SBR20UU Linear Bearing Slide Block Linear Guide for CNC Equipments - Image 2](https://m.media-amazon.com/images/I/714MHRSUUrL.jpg) ![SBR20-800mm Linear Rail Linear Rails and Bearings Kit 2Pcs SBR20 800mm Long Fully Supported Shaft Guide with 4Pcs SBR20UU Linear Bearing Slide Block Linear Guide for CNC Equipments - Image 3](https://m.media-amazon.com/images/I/61mp2wXtO2L.jpg) ![SBR20-800mm Linear Rail Linear Rails and Bearings Kit 2Pcs SBR20 800mm Long Fully Supported Shaft Guide with 4Pcs SBR20UU Linear Bearing Slide Block Linear Guide for CNC Equipments - Image 4](https://m.media-amazon.com/images/I/613A2Vz7fKL.jpg) ![SBR20-800mm Linear Rail Linear Rails and Bearings Kit 2Pcs SBR20 800mm Long Fully Supported Shaft Guide with 4Pcs SBR20UU Linear Bearing Slide Block Linear Guide for CNC Equipments - Image 5](https://m.media-amazon.com/images/I/61cCXYwOLpL.jpg) ## Available Options This product comes in different **Size, Style** options. ## Questions & Answers **Q: What is the diameter of SBR12/SBR16/SBR20/SBR25?** A: Hello, their diameters are 12mm/16mm/20mm/25mm. **Q: What material is the linear guide made of? Is it stainless?** A: Hello, the material of linear guide is made of carbon steel, bearing steel, and aluminum alloy for rust resistance and high durability. **Q: Are CAD drawings available?** A: Hello, unfortunately we don't have CAD drawings, but we have detailed data reference drawings. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Fattening sled *by T***S on June 5, 2025* Slides very smooth and works perfectly. ### ⭐⭐⭐⭐⭐ Smooth glide *by P***M on July 16, 2024* Nice rails & they run smoothly ### ⭐⭐⭐⭐ Works fairly well. *by M***T on August 17, 2025* Works pretty good so far. Not too hard to align. Fairly smooth. ## Frequently Bought Together - CNCMANS SBR20-800mm Linear Rail Linear Rails and Bearings Kit 2Pcs SBR20 800mm Long Fully Supported Shaft Guide with 4Pcs SBR20UU Linear Bearing Slide Block Linear Guide for CNC Equipments - VEVOR Linear Rail, 2PCS SBR20-1500mm, Linear Slide Rail, 4 PCS SBR20UU Bearing Block CNC Kit Linear Rails and Bearings Kit CNC Rails Linear Rail Set, for Automated Machines and Equipment - 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 --- ## 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.id/products/446546074-sbr20-800mm-linear-rail-linear-rails-and-bearings-kit-2pcs](https://www.desertcart.id/products/446546074-sbr20-800mm-linear-rail-linear-rails-and-bearings-kit-2pcs) --- *Product available on Desertcart Indonesia* *Store origin: ID* *Last updated: 2026-05-13*