--- product_id: 20782485 title: "- 20pcs V Groove Ball Bearings Pulley, Small Bearing Deep V Groove Guide Pulley Rail Ball Bearings Wheel,4x13x6mm" brand: "chiloskit" price: "€ 18.70" currency: EUR in_stock: true reviews_count: 13 category: "Chiloskit" url: https://www.desertcart.hr/products/20782485-20pcs-v-groove-ball-bearings-pulley-small-bearing-deep-v store_origin: HR region: Croatia --- # Low friction for max efficiency 4x13x6mm precision size High carbon steel durability - 20pcs V Groove Ball Bearings Pulley, Small Bearing Deep V Groove Guide Pulley Rail Ball Bearings Wheel,4x13x6mm **Brand:** chiloskit **Price:** € 18.70 **Availability:** ✅ In Stock ## Summary > ⚙️ Elevate your projects with precision and power — don’t get left behind! ## Quick Answers - **What is this?** - 20pcs V Groove Ball Bearings Pulley, Small Bearing Deep V Groove Guide Pulley Rail Ball Bearings Wheel,4x13x6mm by chiloskit - **How much does it cost?** € 18.70 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/20782485-20pcs-v-groove-ball-bearings-pulley-small-bearing-deep-v) ## Best For - chiloskit enthusiasts ## Why This Product - Trusted chiloskit brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Bulk Pack Advantage:** 20-piece set means you’re always ready to innovate without running out—stay ahead of the curve. - • **Ultra-Low Friction Design:** 624ZZ bearings minimize resistance, boosting energy efficiency and extending lifespan. - • **Built to Endure Heavy Loads:** Crafted from premium high carbon steel for unmatched toughness and reliability. - • **Versatile Industrial Powerhouse:** Perfect for everything from DIY projects to heavy machinery, agriculture, and automotive uses. - • **Precision Engineered for Seamless Motion:** Exact 4x13x6mm dimensions ensure flawless fit and smooth operation in any setup. ## Overview The Chiloskit 20pcs V Groove Ball Bearings Pulley set features 624ZZ deep V groove bearings sized at 4x13x6mm, made from high carbon steel for superior hardness and durability. Designed for low friction and high precision, these pulleys excel in diverse industrial and DIY applications, offering smooth, efficient operation under heavy loads. The bulk pack ensures you have ample components for multiple projects or maintenance needs. ## Description Product description Wide application Package Included:20 pcs Wire pulley with V groove Dimension:(Inside diameter)4mm x (outer diameter)13mm x (thickness)6mm.V groove width: 4mm.V groove deepness: 1mm Especially for linear motion systems such as straightener, computerized knitting, and gear spinning machine Wire pulley groove,Wide application.DOUBLE SHIELDED: They are double shielded to avoid contaminants entering and save lubricant. Application: Wide applications in many fields: industrial machines, cars, ships, household appliances, health care system, motors, mine, petroleum, petroleum, alchemy, papermaking, agriculture, cranes, etc Package Include: These are specialized bearings that are used in many linear motion systems such as 3D printer, quadcopter or ship model, package with 20 pcs in package, you can keep them for spare or just substitutes for those old ones ## Features - Low friction: The low friction coefficient of 624ZZ bearings allows them to spin with minimal resistance, reducing energy loss and extending their lifespan. - High precision: Carbon steel 624ZZ bearings are manufactured to very high precision standards, ensuring that they are able to provide smooth and efficient operation even under high loads. - High quality material: carbon steel is a high-quality steel that is specifically designed for bearing applications. It is characterized by its high hardness and toughness, which makes it an excellent choice for applications that require high load-bearing capacity and durabillly - Wide applications : industrial machines, cars, ships, household appliances, health care system, motors, mine, petroleum, petroleum, alchemy, papermaking, agriculture, cranes, etc - Dimension:(Inside diameter)4mm x (outer diameter)13mm x (thickness)6mm.Material:High carbon steel.V groove width: 4mm.V groove deepness: 1.5mm.Please note the size befor you buy it dear customer ！ ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B012KKTBRU | | Bearing Number | 624 | | Bearing Type | Ball Bearing | | Best Sellers Rank | #71,109 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #339 in Deep-Groove Ball Bearings | | Brand | Chiloskit | | Brand Name | Chiloskit | | Compatible Lubricant | Grease | | Customer Reviews | 4.3 out of 5 stars 334 Reviews | | Item Dimensions | 0.51 x 0.51 x 0.24 inches | | Item Thickness | 6 Millimeters | | Item Weight | 10 Grams | | Item dimensions L x W x H | 0.51 x 0.51 x 0.24 inches | | Manufacturer | Preamer | | Material | High Carbon Steel | | Material Type | High Carbon Steel | | Model | V624ZZ | | Outside Diameter | 13 Millimeters | | Part Number | V624ZZ | | UPC | 710185353111 | | Unit Count | 20 Count | ## Product Details - **Bearing Number:** 624 - **Brand:** Chiloskit - **Item Weight:** 10 Grams - **Item dimensions L x W x H:** 0.51 x 0.51 x 0.24 inches - **Material:** High Carbon Steel ## Images ![- 20pcs V Groove Ball Bearings Pulley, Small Bearing Deep V Groove Guide Pulley Rail Ball Bearings Wheel,4x13x6mm - Image 1](https://m.media-amazon.com/images/I/71lfTkK0D2L.jpg) ![- 20pcs V Groove Ball Bearings Pulley, Small Bearing Deep V Groove Guide Pulley Rail Ball Bearings Wheel,4x13x6mm - Image 2](https://m.media-amazon.com/images/I/715fLKt-nTL.jpg) ![- 20pcs V Groove Ball Bearings Pulley, Small Bearing Deep V Groove Guide Pulley Rail Ball Bearings Wheel,4x13x6mm - Image 3](https://m.media-amazon.com/images/I/71ZgnXiwGhL.jpg) ![- 20pcs V Groove Ball Bearings Pulley, Small Bearing Deep V Groove Guide Pulley Rail Ball Bearings Wheel,4x13x6mm - Image 4](https://m.media-amazon.com/images/I/71GuERZgjQL.jpg) ![- 20pcs V Groove Ball Bearings Pulley, Small Bearing Deep V Groove Guide Pulley Rail Ball Bearings Wheel,4x13x6mm - Image 5](https://m.media-amazon.com/images/I/61RFeixLEAL.jpg) ## Questions & Answers **Q: What are the measurements in inches.** A: According to Amazon: inside diameter and V groove width = 4mm = 0.1575 inch, outside diameter = 13mm = 0.5119 inch, groove deepnes = 1.5mm = 0.05905 inch. I use them to guide curtain cord. **Q: Does it rust?** A: I haven't seen any rust as of yet. The device I built that uses them is in my garage so doesn't get direct water on it, but it does get pretty humid. **Q: Is the hole diameter 5/32? Or is it the 6mm?** A: 4mm for hole, 6mm is the width **Q: Do these pulleys come with the pins?** A: Pins? No pins, just the pulleys. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by N***0 on July 20, 2017* ### ⭐⭐⭐⭐⭐ Review *by J***E on February 26, 2025* ### ⭐⭐⭐⭐ Review *by L***. on July 21, 2023* ## Frequently Bought Together - Chiloskit 20pcs 1.5mm Deep Metal V Groove Guide Pulley Bearing Wheel Rail Ball Bearings Wheel 4x13x6mm - Saipe 2PCS GT2 Timing Pulley Synchronous Wheel Aluminum Alloy Timing Belt Pulley 3D Printer Accessories for 6mm Width Timing Belt (30 Teeth Bore 5mm) - 3Dman GT2 20 Toothless Bore 5mm Aluminum Timing Belt Idler Pulley for 6mm Width 3D Printers (10pcs) --- ## 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.hr/products/20782485-20pcs-v-groove-ball-bearings-pulley-small-bearing-deep-v](https://www.desertcart.hr/products/20782485-20pcs-v-groove-ball-bearings-pulley-small-bearing-deep-v) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-05-25*