--- product_id: 616177027 title: "uxcell 4pcs U Type Groove Pulley Nylon Guide Rolling Bearing 8x45x11.5mm U Groove Roller Wheel for Door Window, Black" brand: "uxcell" price: "R509" currency: ZAR in_stock: true reviews_count: 11 category: "Uxcell" url: https://www.desertcart.co.za/products/616177027-uxcell-4pcs-u-type-groove-pulley-nylon-guide-rolling-bearing store_origin: ZA region: South Africa --- # Low noise Z1 rating Durable chromium steel & nylon combo Precision ABEC 1 tolerance uxcell 4pcs U Type Groove Pulley Nylon Guide Rolling Bearing 8x45x11.5mm U Groove Roller Wheel for Door Window, Black **Brand:** uxcell **Price:** R509 **Availability:** ✅ In Stock ## Summary > ⚙️ Roll Smooth, Work Smart – Upgrade Your Sliding Game! ## Quick Answers - **What is this?** uxcell 4pcs U Type Groove Pulley Nylon Guide Rolling Bearing 8x45x11.5mm U Groove Roller Wheel for Door Window, Black by uxcell - **How much does it cost?** R509 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/616177027-uxcell-4pcs-u-type-groove-pulley-nylon-guide-rolling-bearing) ## Best For - uxcell enthusiasts ## Why This Product - Trusted uxcell brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Last:** Chromium steel bearings shielded on both sides for long-lasting lubrication and durability. - • **Versatile Fit:** Perfect for sliding doors, furniture hardware, 3D printers, and mechanical equipment. - • **Maintenance Made Easy:** Pre-lubricated and low friction for hassle-free, cost-effective performance. - • **Whisper-Quiet Operation:** Z1 noise level rating means minimal sound disruption in your workspace or home. - • **Smooth Glide, Every Time:** U-groove design ensures seamless rolling on rail tracks for doors and windows. ## Overview The uxcell 4pcs U Type Groove Pulley Nylon Guide Rolling Bearings (8x45x11.5mm) combine precision ABEC 1 tolerance with durable chromium steel and nylon construction. Designed for low noise and smooth operation, these shielded bearings are ideal for sliding doors, windows, and various mechanical applications, offering long-lasting, maintenance-free performance. ## Description Product description ABOUT OUR PRODUCTS 1. Single-row, pre-lubricated, normal accuracy, low noise, and smooth. 2. With small friction and high-limit speed, these groove pulley bearings are cost-effective and require little maintenance. 3. These cost-effective bearings are widely used in areas with low requirements for Mohs hardness. 4. Suitable for furniture hardware accessories, mobile doors, glass sliding doors, aluminum doors and windows, pulleys and drawers, 3d printers, etc. 5. We have various types of bearings of different sizes, you can purchase according to actual needs. Review: Still early but seems like there are plenty tough. - Hanging 10’x5’6” steel doors on a pair of these and they are doing just fine so far. The first set has been up for about three months now and nothing seems to be out of spec. Review: NICE - These nylon rollers are exactly what I wanted for my hydraulic press table lift project. A+++. ## Features - U Groove Bearing: I.D.=8mm, O.D.=45mm, Thickness=11.5mm, Groove width=6mm, Groove depth=3mm. - These bearings are shielded on both sides to keep lubricant in - Chromium Steel long-life bearings, smooth and low noise - ABEC Tolerance 1 (P0), Z1 Noise Level for most general use - U-type pulley bearing fits the rail track system. Widely used in door and window to track and drive mechanical equipment. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CQJT74JF | | Bearing Number | 4 | | Bearing Type | Ball Bearing | | Best Sellers Rank | #86,831 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #444 in Deep-Groove Ball Bearings | | Brand | uxcell | | Brand Name | uxcell | | Compatible Lubricant | Oil | | Customer Reviews | 4.2 out of 5 stars 61 Reviews | | Item Dimensions | 0.33 x 0.2 x 1 inches | | Item Thickness | 11.5 Millimeters | | Item dimensions L x W x H | 0.33 x 0.2 x 1 inches | | Manufacturer | uxcell | | Material | Chrome Steel (GCr15), Nylon | | Material Type | Chrome Steel (GCr15) , Nylon | | Model | Bearings | | Outside Diameter | 45 Millimeters | | Part Number | a23110200ux0584 | | Specification Met | ABEC 1 | | Unit Count | 4.0 Count | ## Product Details - **Bearing Number:** 4 - **Brand:** uxcell - **Item Thickness:** 11.5 Millimeters - **Material:** Chrome Steel (GCr15) , Nylon - **Specification Met:** ABEC 1 ## Images ![uxcell 4pcs U Type Groove Pulley Nylon Guide Rolling Bearing 8x45x11.5mm U Groove Roller Wheel for Door Window, Black - Image 1](https://m.media-amazon.com/images/I/71sAJaSRN-L.jpg) ## Available Options This product comes in different **Color, Size, Number Of Items** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Still early but seems like there are plenty tough. *by J***N on August 31, 2025* Hanging 10’x5’6” steel doors on a pair of these and they are doing just fine so far. The first set has been up for about three months now and nothing seems to be out of spec. ### ⭐⭐⭐⭐⭐ NICE *by R***2 on November 20, 2025* These nylon rollers are exactly what I wanted for my hydraulic press table lift project. A+++. ### ⭐⭐⭐⭐ Smooth well built *by A***J on May 25, 2026* Bearings are well built tracks are smooth, no blemishes whatsoever ## Frequently Bought Together - uxcell 4pcs U Type Groove Pulley Nylon Guide Rolling Bearing 8x45x11.5mm U Groove Roller Wheel for Door Window, Black - uxcell SG25 Deep U Groove Ball Track Guide Bearing 8mmx30mmx14mm Double Sealed (GCr15) Chrome Steel Bearing - 5Pcs Deep U Groove Ball Track Guide Bearing, Stainless Steel Bearing Pulley Wheel Bearings Wheel Wire Rope Pulley --- ## 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.co.za/products/616177027-uxcell-4pcs-u-type-groove-pulley-nylon-guide-rolling-bearing](https://www.desertcart.co.za/products/616177027-uxcell-4pcs-u-type-groove-pulley-nylon-guide-rolling-bearing) --- *Product available on Desertcart South Africa* *Store origin: ZA* *Last updated: 2026-07-16*