--- product_id: 508511701 title: "NiArt Fidget Spinner DIY Bearings with Caps 24 Pack, Chrome Steel Craft Set | MR137 7x13x4mm Single Sealed Ball Bearing, High Speed For Epoxy Resin Casting Molds, Skateboard and Stress Relief, Clear" brand: "niart" price: "71.22 DT" currency: TND in_stock: true category: "Ni Art" url: https://www.desertcart.tn/products/508511701-niart-fidget-spinner-diy-bearings-with-caps-24-pack-chrome store_origin: TN region: Tunisia --- # High-speed 13mmx7mmx4mm design 24 precision MR137 bearings Single-sealed for dust & water resistance NiArt Fidget Spinner DIY Bearings with Caps 24 Pack, Chrome Steel Craft Set | MR137 7x13x4mm Single Sealed Ball Bearing, High Speed For Epoxy Resin Casting Molds, Skateboard and Stress Relief, Clear **Brand:** niart **Price:** 71.22 DT **Availability:** ✅ In Stock ## Summary > ⚙️ Spin smarter, stress less—upgrade your fidget game today! ## Quick Answers - **What is this?** NiArt Fidget Spinner DIY Bearings with Caps 24 Pack, Chrome Steel Craft Set | MR137 7x13x4mm Single Sealed Ball Bearing, High Speed For Epoxy Resin Casting Molds, Skateboard and Stress Relief, Clear by niart - **How much does it cost?** 71.22 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/508511701-niart-fidget-spinner-diy-bearings-with-caps-24-pack-chrome) ## Best For - niart enthusiasts ## Why This Product - Trusted niart brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Last:** Durable stainless steel and plastic construction resists deformation under heavy loads—spin worry-free. - • **Effortless DIY Upgrade:** Includes 24 pairs of sleek black ABS caps—easy to install for custom fidget spinner projects or replacements. - • **Sealed for Performance:** Single-side seal keeps contaminants out and lubrication in, ensuring consistent, long-lasting speed. - • **Precision in Every Spin:** 24-pack MR137 chrome steel bearings engineered for ultra-smooth, high-speed rotation. - • **Stress Relief Meets Style:** Perfect for professionals seeking a tactile break—combine function with minimalist design to stay sharp and focused. ## Overview The NiArt Fidget Spinner Toy DIY Bearing Set includes 24 high-precision MR137 single-sealed chrome steel bearings (13mmx7mmx4mm) with black ABS caps. Crafted from durable stainless steel and plastic, these bearings offer smooth, high-speed rotation with resistance to dust and water. Ideal for DIY fidget spinner projects or replacements, this set delivers professional-grade performance and longevity for stress relief and creative crafting. ## Description NiArt Fidget Spinner Toy DIY Bearing with Caps Set 24-Pack, MR137 0.5" Single-Sealed Chrome Steel Bearing Balls Replacement High Speed 13mmx7mmx4mm Epoxy Resin Casting Craft Skateboard Stress Reliever ## Features - ✔️【Package Contents】This package includes 24pcs MR137 precision high-speed ball bearings with blue plastic seals and 24 pairs of ball bearing caps in black color (diameter: approx. 2.1cm). MR137 steel ball bearing size: I.D. (Inner Diameter): 5mm, O.D. (Outer Diameter): 13mm, Thickness: 4mm. - ✔️【Premium Quality】The bearing is made of high-quality stainless steel and plastic for durability and resistance to deformation under heavy loads. The inner and outer races are machine-polished for smooth, high-speed rolling. This bearing provides higher speed, precision and durability, reducing replacement and maintenance costs. - ✔️【Radial Ball Bearing】The MR137 bearing is sealed on one side to keep contaminants such as dust and water from entering the equipment and keep it lubricated. Stainless-steel races ensure durability and corrosion resistance. The single-row radial ball bearing is suitable for applications with radial and axial loads. - ✔️【Spinner Cap & Wide Application】The ABS plastic caps are lightweight, durable and compatible with MR137 bearings. With components that are easy to install and unload, this bearing set can be used in a wide variety of applications. Perfect for DIY projects such as fidget spinners and replacement parts in case your original cap or bearing is lost. - ⚠️【Trouble-Shooter】If you encounter any issues while using this product, please contact us at any time. We guarantee a 24-hour resolution for all your concerns. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0B1BVG66S | | Age Range Description | Adult | | Best Sellers Rank | #28,369 in Toys & Games ( See Top 100 in Toys & Games ) #101 in Fidget Spinners | | Brand Name | NiArt | | Color | Black Cap Bearings Only | | Customer Reviews | 4.6 4.6 out of 5 stars (985) | | Item Dimensions | 0.5 x 2.5 x 2.5 inches | | Item Shape | Round | | Manufacturer | Attom Tech | | Manufacturer Maximum Age (MONTHS) | 1200 | | Manufacturer Minimum Age (MONTHS) | 156 | | Manufacturer Part Number | NiArt-0123 | | Material Type | Stainless Steel | | Model Number | jewelry resin casting molds | | Set Name | 24 Black Cap Bearings | | Size | ONLY 24 BLACK Cap Bearings | | Theme | Minimalist | | UPC | 810082147063 | | Unit Count | 24.0 Count | ## Images ![NiArt Fidget Spinner DIY Bearings with Caps 24 Pack, Chrome Steel Craft Set | MR137 7x13x4mm Single Sealed Ball Bearing, High Speed For Epoxy Resin Casting Molds, Skateboard and Stress Relief, Clear - Image 1](https://m.media-amazon.com/images/I/71YbCtQT7HL.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: Where can I get more bearing caps?** A: NiArt does offer a 20 pack of bearings on amazon but sadly they are out of stock a lot. ## Frequently Bought Together - NiArt Fidget Spinner Toy DIY Bearing with Caps Set 24-Pack, MR137 0.5" Single-Sealed Chrome Steel Bearing Balls Replacement High Speed 13mmx7mmx4mm Epoxy Resin Casting Craft Skateboard Stress Reliever - NiArt Fidget Finger Spinner DIY Epoxy Resin Casting Silicone Mold Kit 5 Molds with 10 Bearings Set, Stress Reliever Hand Fidget Toy Gift for Kids and Adults Art Crafts Home Decorations Jewelry (Set A) --- ## 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/508511701-niart-fidget-spinner-diy-bearings-with-caps-24-pack-chrome](https://www.desertcart.tn/products/508511701-niart-fidget-spinner-diy-bearings-with-caps-24-pack-chrome) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-07-11*