--- product_id: 98542507 title: "4Pcs U-Type Black Pulley Wheel 8mm Shaft Hole 30mm Diameter (Max-Load 99kg)" brand: "cnbtr" price: "65.63 DT" currency: TND in_stock: true category: "Cnbtr" url: https://www.desertcart.tn/products/98542507-4pcs-u-type-black-pulley-wheel-8mm-shaft-hole-30mm store_origin: TN region: Tunisia --- # 30mm Diameter - Precision Fit 8mm Shaft Hole - Universal Compatibility Max Load 99kg - Heavy-Duty Strength 4Pcs U-Type Black Pulley Wheel 8mm Shaft Hole 30mm Diameter (Max-Load 99kg) **Brand:** cnbtr **Price:** 65.63 DT **Availability:** ✅ In Stock ## Summary > ⚙️ Elevate your projects with pulleys that pull their weight and then some! ## Quick Answers - **What is this?** 4Pcs U-Type Black Pulley Wheel 8mm Shaft Hole 30mm Diameter (Max-Load 99kg) by cnbtr - **How much does it cost?** 65.63 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/98542507-4pcs-u-type-black-pulley-wheel-8mm-shaft-hole-30mm) ## Best For - cnbtr enthusiasts ## Why This Product - Trusted cnbtr brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Smooth U-Shape Groove:** Engineered to minimize friction for seamless, whisper-quiet operation. - • **Versatile 4-Piece Set:** Multiple pulleys for diverse applications—from sliding doors to printer machines. - • **Precision 8mm Shaft Hole:** Fits standard shafts perfectly, ensuring effortless integration into your setup. - • **Robust 99kg Load Capacity:** Handles heavy-duty projects with industrial-grade strength and reliability. - • **Durable Engineering Materials:** Crafted from high-grade plastics and bearing steel for long-lasting performance. ## Overview The CNBTR 4-piece U-Type Black Pulley Wheel set features 30mm diameter wheels with an 8mm shaft hole, engineered with a smooth U-groove design to reduce friction. Each pulley supports up to 99kg, making them ideal for sliding windows, doors, and industrial machines. Constructed from durable engineering plastics and bearing steel, these pulleys offer reliable, versatile performance for professional-grade applications. ## Description CNBTR 4Pcs U-Type Black Pulley Wheel 8mm Shaft Hole 30mm Diameter (Max-Load 99kg): desertcart.com: Industrial & Scientific ## Features - [Design]:These Pulley Rail Ball Bearings adopts with a U-shape groove design, which have smooth surface to reduce friction--These Pulley Rail Ball Bearings adopts with a U-shape groove design, which have smooth surface to reduce friction. - [Scope of application]Ideal for replacement roller of sliding window, door, printer machine etc. - [Size]Overall size: Outside Diameter 30mm/1.18inch, Height 10mm/0.39inch, U-Type Size: Width 6mm/0.24inch, Depth 3mm/0.12inch, Shaft Hole Diameter: 8mm/0.31inch, Max Load-bearing: 99kg/218lbs. - The item contains 4 pieces of pulleys in one set that you many use for many projects upon your purposes. - Max Load-bearing: 99kg/218lbs - If you have any question about the product, feel free to contact the CNBTR Service and we will try our best to give you a satisfactory answer. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07D8R9BGH | | Bearing Number | 608ZZ | | Bearing Type | Ball Bearing | | Best Sellers Rank | #115,609 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #631 in Deep-Groove Ball Bearings | | Bore Diameter | 8 Millimeters | | Brand Name | CNBTR | | Compatible Lubricant | Grease | | Customer Reviews | 4.4 4.4 out of 5 stars (291) | | Item Dimensions | 1.77 inches | | Item Thickness | 10 Millimeters | | Manufacturer | yqltd | | Material Type | Engineering plastics + bearing steel | | Model | M6180521109 | | Outside Diameter | 30 Millimeters | | Part Number | M6180521109 | | Specification Met | ABEC 1 | ## Product Details - **Bearing Number:** 608ZZ - **Bore Diameter:** 8 Millimeters - **Brand:** CNBTR - **Item dimensions L x W x H:** 1.77 inches - **Material:** Engineering plastics + bearing steel ## Images ![4Pcs U-Type Black Pulley Wheel 8mm Shaft Hole 30mm Diameter (Max-Load 99kg) - Image 1](https://m.media-amazon.com/images/I/71HVOABt3KL.jpg) ![4Pcs U-Type Black Pulley Wheel 8mm Shaft Hole 30mm Diameter (Max-Load 99kg) - Image 2](https://m.media-amazon.com/images/I/71l8Pu-9GGL.jpg) ![4Pcs U-Type Black Pulley Wheel 8mm Shaft Hole 30mm Diameter (Max-Load 99kg) - Image 3](https://m.media-amazon.com/images/I/71qCTzaZmFL.jpg) ![4Pcs U-Type Black Pulley Wheel 8mm Shaft Hole 30mm Diameter (Max-Load 99kg) - Image 4](https://m.media-amazon.com/images/I/61EiONLzCNS.jpg) ![4Pcs U-Type Black Pulley Wheel 8mm Shaft Hole 30mm Diameter (Max-Load 99kg) - Image 5](https://m.media-amazon.com/images/I/71DvnPeuMzL.jpg) ## Available Options This product comes in different **Color, Size** options. ## Frequently Bought Together - CNBTR 8mm Shaft Hole 30mm Diameter U-groove Black Pulley Wheel for Max-load 99kg Pack of 4 - Amtech S1000 Heavy Duty Boat Winch, Hand Winch Pulley with 10m Steel Cable and 550kg Capacity - Pulley Wheel with 2 Bearing, Cable Pully Block Heavy Duty for Washing Line/Rope Loading 500kg… --- ## 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.tn/products/98542507-4pcs-u-type-black-pulley-wheel-8mm-shaft-hole-30mm](https://www.desertcart.tn/products/98542507-4pcs-u-type-black-pulley-wheel-8mm-shaft-hole-30mm) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-07-14*