--- product_id: 496187985 title: "4Pcs SBR16UU Linear Rail Bearing Slide Block 16mm Aluminum Open Block, CNC Parts for SBR16 16mm Linear Guide Rail" brand: "cncmans" price: "$57.37" currency: USD in_stock: true category: "Cncmans" url: https://www.desertcart.us/products/496187985-4pcs-sbr16uu-linear-rail-bearing-slide-block-16mm-aluminum-open store_origin: US region: United States of America --- # 1000mm precision length 4 ball bearing blocks 4-point contact load balance 4Pcs SBR16UU Linear Rail Bearing Slide Block 16mm Aluminum Open Block, CNC Parts for SBR16 16mm Linear Guide Rail **Brand:** cncmans **Price:** $57.37 **Availability:** ✅ In Stock ## Summary > ⚙️ Glide into precision: The ultimate linear rail kit for next-level CNC mastery! ## Quick Answers - **What is this?** 4Pcs SBR16UU Linear Rail Bearing Slide Block 16mm Aluminum Open Block, CNC Parts for SBR16 16mm Linear Guide Rail by cncmans - **How much does it cost?** $57.37 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/496187985-4pcs-sbr16uu-linear-rail-bearing-slide-block-16mm-aluminum-open) ## 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 - • **Versatile CNC Compatibility:** Perfect for routers, mills, laser machines, and more—upgrade your workshop today. - • **Robust Four-Point Contact Design:** Distributes load evenly, ensuring stability and self-alignment under heavy use. - • **Precision Engineered 1000mm Rails:** Achieve flawless linear motion with extended reach for your CNC projects. - • **Premium Carbon Steel & Bearing Steel:** Durable materials resist wear and tear for long-lasting performance. - • **Effortless Installation with Pre-Drilled Aluminum Supports:** Save time and avoid guesswork with easy mounting and adjustment. ## Overview The CNCMANS SBR20-1000mm Linear Rail Kit includes two 1000mm carbon steel rails and four SBR20UU ball bearing blocks with aluminum alloy housings. Featuring a four-point contact design for balanced load distribution and self-alignment, this kit ensures smooth, low-friction linear motion ideal for CNC routers, mills, laser cutters, and other precision machinery. Pre-drilled aluminum supports and included hardware simplify installation, making it a durable, high-precision upgrade for professional-grade equipment. ## Description CNCMANS has been committed to providing superior 3D printers and accessories services.Industrial-grade standard SBR block, with a high precision linear bearing inside. Make the sliding smooth, low friction, silent operation.Specifications:Brand: CNCMANSModel: SBR16UUShaft Diameter: 16mmPack Includes:4x SBR16UU Bearing BlocksFeatures:aluminum alloy material and hardened caseHigh accuracy and strong durabilitySmooth moving, low friction, high rigidity and long working lifeSuits X, Y, Z axis, perfect items for your CNC project ## Features - Our package includes 4pcs SBR16UU aluminum open slide block, diameter: 16mm. - SBR16UU sliding blocks to be used cooperatively with SBR16 rails, high precision and easy to mount dismount. - Industrial-grade standard SBR block, with high precision linear bearing inside, it moves smoothly with low friction. - Linear Bearings block made of quality aluminum alloy. Surface chrome plating treatment beautiful anti-rust, high hardness, more durable. - Widely used in the automation machinery such as DIY CNC routers,lathes, machine tool, bending machines, laser welding machines, etc. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09NBQVCCW | | Bearing Number | 4 | | Bearing Type | Ball Bearing | | Best Sellers Rank | #67,207 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #51 in Linear Motion Guides | | Brand Name | CNCMANS | | Compatible Lubricant | Grease | | Customer Reviews | 3.5 3.5 out of 5 stars (2) | | Item Weight | 613 g | | Manufacturer | CNCMANS | | Material Type | Aluminum | | Model | U4587U5144H | | Number of Items | 1 | | Outside Diameter | 16 millimeters | | Part Number | U4587U5144H | | UPC | 730759596379 | ## Product Details - **Bearing Number:** 4 - **Bearing Type:** Ball Bearing - **Brand:** CNCMANS - **Item Weight:** 613 g - **Material:** Aluminum ## Images ![4Pcs SBR16UU Linear Rail Bearing Slide Block 16mm Aluminum Open Block, CNC Parts for SBR16 16mm Linear Guide Rail - Image 1](https://m.media-amazon.com/images/I/41cMAdj0DGL.jpg) ![4Pcs SBR16UU Linear Rail Bearing Slide Block 16mm Aluminum Open Block, CNC Parts for SBR16 16mm Linear Guide Rail - Image 2](https://m.media-amazon.com/images/I/31U+UnwYvTL.jpg) ![4Pcs SBR16UU Linear Rail Bearing Slide Block 16mm Aluminum Open Block, CNC Parts for SBR16 16mm Linear Guide Rail - Image 3](https://m.media-amazon.com/images/I/310FtunRkWL.jpg) ![4Pcs SBR16UU Linear Rail Bearing Slide Block 16mm Aluminum Open Block, CNC Parts for SBR16 16mm Linear Guide Rail - Image 4](https://m.media-amazon.com/images/I/31wStMYipAL.jpg) ![4Pcs SBR16UU Linear Rail Bearing Slide Block 16mm Aluminum Open Block, CNC Parts for SBR16 16mm Linear Guide Rail - Image 5](https://m.media-amazon.com/images/I/31rpfTGX0KL.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. ## Frequently Bought Together - CNCMANS Linear Rail 2PCS SBR12 1000mm Fully Supported Linear Rail Shaft Guide 12mm with 4PCS SBR12UU Slide Bearing Block, Linear Rails and Bearings Kit for CNC Machine - (Pack of 4) Shaft Collar Set for Linear Rail SBR12, All in One Clamp-on Shaft Collar with M4 Set Screw, Bore 12mm, OD 30mm, Thickness 10mm --- ## 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.us/products/496187985-4pcs-sbr16uu-linear-rail-bearing-slide-block-16mm-aluminum-open](https://www.desertcart.us/products/496187985-4pcs-sbr16uu-linear-rail-bearing-slide-block-16mm-aluminum-open) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-10-01*