---
product_id: 533797279
title: "16 Pack Fidget Spinner Bearing and Cap Replacement Set, Chrome Steel Bearing Balls, High Speed 13mmx7mmx4mm Bearings Single Sealed Small Bearings for Fidget Spinner"
brand: "niart"
price: "S$57"
currency: SGD
in_stock: false
reviews_count: 5
category: "Ni Art"
url: https://www.desertcart.sg/products/533797279-16-pack-fidget-spinner-bearing-and-cap-replacement-set-chrome
store_origin: SG
region: Singapore
---

# High-speed polished steel races Precision 13x7x4mm MR137 bearings Single-sealed dust & water protection 16 Pack Fidget Spinner Bearing and Cap Replacement Set, Chrome Steel Bearing Balls, High Speed 13mmx7mmx4mm Bearings Single Sealed Small Bearings for Fidget Spinner

**Brand:** niart
**Price:** S$57
**Availability:** ❌ Out of Stock

## Summary

> ⚡ Spin like a pro, upgrade your fidget game!

## Quick Answers

- **What is this?** 16 Pack Fidget Spinner Bearing and Cap Replacement Set, Chrome Steel Bearing Balls, High Speed 13mmx7mmx4mm Bearings Single Sealed Small Bearings for Fidget Spinner by niart
- **How much does it cost?** S$57 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/533797279-16-pack-fidget-spinner-bearing-and-cap-replacement-set-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

- • **Sealed for Reliability:** Single-side seal keeps contaminants out and lubrication in, maximizing lifespan and spin quality.
- • **Versatile & Lightweight:** Compact, lightweight design fits a variety of fidget spinners and other small mechanical projects.
- • **Complete DIY Spinner Kit:** Includes 16 bearings and 16 pairs of caps—perfect for custom builds or replacing lost parts.
- • **Durability Meets Performance:** Stainless steel and ABS plastic caps ensure long-lasting resistance to wear and heavy loads.
- • **Precision Engineered Bearings:** MR137 chrome steel bearings sized 13mmx7mmx4mm for ultra-smooth, high-speed spins.

## Overview

This 16-pack replacement set features MR137 high-speed chrome steel bearings (13x7x4mm) with single-side seals for dust and water resistance, paired with durable ABS plastic caps. Designed for precision, durability, and easy installation, it’s ideal for DIY fidget spinner enthusiasts and professionals seeking reliable, smooth spins and long-lasting performance.

## Description

16 Pack Fidget Spinner Bearing and Cap Replacement Set, Chrome Steel Bearing Balls, High Speed 13mmx7mmx4mm Bearings Single Sealed Small Bearings for Fidget Spinner

Review: I was going to use this to make fidget spinners.
Review: These were cute little fidget spinners. Great for kids and the perfect size for what I used them for. Very easy for kids to use. My 3 year old had no problem with it and it is not flimsy like some little toys you get. It spins as it should and lights up. The kids enjoyed them. They functioned liked they should have. Would definitely buy these again.

## Features

- [Package Content] This package includes 16pcs MR137 precision high-speed ball bearing with blue plastic seals and 16 pairs of ball bearing caps in black color (diameter: approx. 2.1cm). MR137 Steel Ball Bearing sizes: I.D.(inner diameter)=7mm; 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 deformity under heavy loads. Inner and outer races are machine polished for smooth, high-speed rolling. This bearing provides higher speeds, precision, and durability, reducing replacement and maintenance costs.
- [Radial Ball Bearing] MR137 bearings are sealed on one side to protect against contaminants like dust and water out of the apparatus and retain lubrication. Stainless steel races ensure durability and corrosion resistance. Single-row radial ball bearing for applications that support radial and axial loads.
- [Spinner Cap & Wide Application] Caps made with ABS plastic are lightweight but durable, compatible with MR137 bearings. Easy to install and uninstall the two components. This bearing set can be used in a wide variety of applications, including fidget spinner creation, replacement, and more DIY projects, perfect for fidget spinner frame replacement when your original caps/bearings are lost. You could also DIY your unique fidget spinner with this bearing set.
- [Safety Disclaimer] We do not accept any responsibility or liability for misuse of this product. All our products are extensively tested to comply with rigorous and stick QC standards. We recommend proper supervision as we cannot be liable for misuse or accidents. Small parts disclaimer: These accessories contain small parts, not for children under 3 years in case of swallowing or choking.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0B6TWH992 |
| Best Sellers Rank | 371,518 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) 211 in Skateboard Bearings |
| Brand | NiArt |
| Colour | Black Cap Bearings Only |
| Customer Reviews | 4.3 4.3 out of 5 stars (66) |
| Date First Available | 22 Aug. 2022 |
| Item Weight | 91 g |
| Material | Acrylonitrile Butadiene Styrene (ABS) Resin |
| Model Number | Ball Bearings |
| Product Dimensions | 6.35 x 6.35 x 1.27 cm; 91 g |

## Images

![16 Pack Fidget Spinner Bearing and Cap Replacement Set, Chrome Steel Bearing Balls, High Speed 13mmx7mmx4mm Bearings Single Sealed Small Bearings for Fidget Spinner - Image 1](https://m.media-amazon.com/images/I/41ax7mODxiL.jpg)
![16 Pack Fidget Spinner Bearing and Cap Replacement Set, Chrome Steel Bearing Balls, High Speed 13mmx7mmx4mm Bearings Single Sealed Small Bearings for Fidget Spinner - Image 2](https://m.media-amazon.com/images/I/41cachONpyL.jpg)
![16 Pack Fidget Spinner Bearing and Cap Replacement Set, Chrome Steel Bearing Balls, High Speed 13mmx7mmx4mm Bearings Single Sealed Small Bearings for Fidget Spinner - Image 3](https://m.media-amazon.com/images/I/41ciCkHizTL.jpg)
![16 Pack Fidget Spinner Bearing and Cap Replacement Set, Chrome Steel Bearing Balls, High Speed 13mmx7mmx4mm Bearings Single Sealed Small Bearings for Fidget Spinner - Image 4](https://m.media-amazon.com/images/I/41qcQWG1dQL.jpg)
![16 Pack Fidget Spinner Bearing and Cap Replacement Set, Chrome Steel Bearing Balls, High Speed 13mmx7mmx4mm Bearings Single Sealed Small Bearings for Fidget Spinner - Image 5](https://m.media-amazon.com/images/I/516rmnTW1uL.jpg)

## Customer Reviews

### ⭐ Review
*by L***R on 21 February 2024*

I was going to use this to make fidget spinners.

### ⭐⭐⭐⭐⭐ Review
*by J***L on 25 May 2025*

These were cute little fidget spinners. Great for kids and the perfect size for what I used them for. Very easy for kids to use. My 3 year old had no problem with it and it is not flimsy like some little toys you get. It spins as it should and lights up. The kids enjoyed them. They functioned liked they should have. Would definitely buy these again.

### ⭐⭐⭐⭐ Review
*by L***M on 23 December 2025*

Work's great and easy to use. Just was off and can't make one because it's uneven. Including picture because I'm having trouble explaining.

## Frequently Bought Together

- 16 Pack Fidget Spinner Bearing and Cap Replacement Set, Chrome Steel Bearing Balls, High Speed 13mmx7mmx4mm Bearings Single Sealed Small Bearings for Fidget Spinner
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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-01-24*