---
product_id: 508511701
title: "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"
brand: "niart"
price: "108 Lei"
currency: RON
in_stock: true
url: https://www.desertcart.ro/products/508511701-niart-fidget-spinner-toy-diy-bearing-with-caps-set-24
store_origin: RO
region: Romania
---

# High-speed 13mmx7mmx4mm size MR137 precision bearings Single-sealed dust & water protection 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

**Brand:** niart
**Price:** 108 Lei
**Availability:** ✅ In Stock

## Summary

> ⚙️ Spin smarter, not harder — upgrade your fidget game now!

## Quick Answers

- **What is this?** 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 by niart
- **How much does it cost?** 108 Lei with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/508511701-niart-fidget-spinner-toy-diy-bearing-with-caps-set-24)

## 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

- • **Sealed for Longevity:** Single-side seal keeps contaminants out and lubrication in for lasting reliability
- • **Stress Relief in Style:** Upgrade your spinner or skateboard with premium parts designed for seamless performance
- • **Versatile DIY Essential:** Includes 24 pairs of lightweight ABS caps, perfect for custom fidget spinners and repairs
- • **Durability Meets Performance:** Stainless steel and plastic construction resists deformation under heavy loads
- • **Precision Engineered Bearings:** 24-pack MR137 chrome steel bearings for ultra-smooth, high-speed rotation

## Overview

This NiArt 24-pack MR137 bearing set features high-speed, single-sealed chrome steel bearings (13mmx7mmx4mm) paired with durable ABS caps, engineered for smooth rotation and long-lasting performance. Ideal for DIY fidget spinners, skateboard repairs, and stress relief, these precision bearings resist wear and contamination, ensuring your spinner stays flawless and fast.

## 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.

## Images

![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 - Image 1](https://m.media-amazon.com/images/I/71YbCtQT7HL.jpg)

## Available Options

This product comes in different **Color, 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)

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**Shop now:** [https://www.desertcart.ro/products/508511701-niart-fidget-spinner-toy-diy-bearing-with-caps-set-24](https://www.desertcart.ro/products/508511701-niart-fidget-spinner-toy-diy-bearing-with-caps-set-24)

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*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-01-25*