---
product_id: 148772598
title: "CNBTR 8mm ID 12mm OD 3.5mm Thickness Bearing Steel Mini Groove Ball Bearings DIY Industry MR128ZZ Pack of 10"
brand: "cnbtr"
price: "€ 10.92"
currency: EUR
in_stock: true
reviews_count: 13
category: "Cnbtr"
url: https://www.desertcart.ie/products/148772598-cnbtr-8mm-id-12mm-od-3-5mm-thickness-bearing-steel
store_origin: IE
region: Ireland
---

# Smooth low-friction rotation Precision 8x12x3.5mm sizing Durable bearing steel build CNBTR 8mm ID 12mm OD 3.5mm Thickness Bearing Steel Mini Groove Ball Bearings DIY Industry MR128ZZ Pack of 10

**Brand:** cnbtr
**Price:** € 10.92
**Availability:** ✅ In Stock

## Summary

> ⚙️ Elevate your DIY game with precision that keeps you moving!

## Quick Answers

- **What is this?** CNBTR 8mm ID 12mm OD 3.5mm Thickness Bearing Steel Mini Groove Ball Bearings DIY Industry MR128ZZ Pack of 10 by cnbtr
- **How much does it cost?** € 10.92 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/148772598-cnbtr-8mm-id-12mm-od-3-5mm-thickness-bearing-steel)

## 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

- • **Bulk Pack Advantage:** Comes in a convenient pack of 10, perfect for professionals stocking up on essential maintenance parts.
- • **Compact Precision Fit:** Engineered to exact 8mm ID, 12mm OD, and 3.5mm thickness for seamless integration in tight spaces.
- • **Low-Friction Smoothness:** Designed for minimal resistance, enhancing efficiency in low-speed applications like lathe handwheels.
- • **Rugged Steel Durability:** Crafted from high-grade bearing steel to resist wear and ensure long-lasting performance under stress.
- • **Versatile Industrial Use:** Ideal for machinery, power transmission, and DIY projects demanding reliable shaft stabilization.

## Overview

The CNBTR MR128ZZ mini groove ball bearings measure a precise 8x12x3.5mm and are made from durable bearing steel, offering reliable, low-friction performance ideal for industrial, mechanical, and DIY applications. Sold in packs of 10, these bearings provide a cost-effective solution for professionals needing consistent quality and fit in compact spaces.

## Description

CNBTR 8mm ID 12mm OD 3.5mm Thickness Bearing Steel Mini Groove Ball Bearings DIY Industry MR128ZZ Pack of 10: desertcart.com: Industrial & Scientific

Review: See stars - great
Review: Good quality bearing for limited clearance - These bearings were used to replace worn sleeve bearings for small lathe handwheel shafts. The small size outer race was appropriate for the minimal clearance available. The application is shaft stabilization in low speed application and for that purpose, these bearings are entirely satisfactory.

## Features

- [Material] Made of bearing steel material, not easy to wear, and lasting performance. It's a great substitute for your product.
- [Size]8 x 12 x 3.5mm/0.31 x 0.47 x 0.14"(ID x OD x T).Bearings have 8mm inner diameter, 12mm outer diameter, and 3.5mm.Please check the size carefully before purchasing.
- Reliable Performance: Our bearings are precision engineered, ruggedly constructed, and perform reliably.
- Usage Scenarios: Used in various industrial fields such as machinery, power transmission, transportation vehicles, construction machinery or household applications, etc.
- Service: If an item is not suitable for the intended use or the item does not fit the dimensions, please contact us.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07M7H7RBC |
| Batteries Required? | No |
| Bearing Number | MR128ZZ |
| Bearing Type | Ball Bearing |
| Best Sellers Rank | #60,000 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #291 in Deep-Groove Ball Bearings |
| Brand | CNBTR |
| Compatible Lubricant | Grease |
| Customer Reviews | 4.6 4.6 out of 5 stars (251) |
| Date First Available | January 9, 2019 |
| Item Thickness | 3.5 Millimeters |
| Item Weight | 0.423 ounces |
| Item model number | M6190101158 |
| Manufacturer | yqltd |
| Material | Alloy Steel |
| Measurement System | Metric |
| Outside Diameter | 12 Millimeters |
| Package Dimensions | 2.48 x 1.89 x 0.16 inches |
| Part Number | M6190101158 |
| Pattern | MR128ZZ 8x12x3.5mm |

## Product Details

- **Bearing Number:** MR128ZZ
- **Brand:** CNBTR
- **Item Thickness:** 3.5 Millimeters
- **Item Weight:** 12 Grams
- **Material:** Alloy Steel

## Images

![CNBTR 8mm ID 12mm OD 3.5mm Thickness Bearing Steel Mini Groove Ball Bearings DIY Industry MR128ZZ Pack of 10 - Image 1](https://m.media-amazon.com/images/I/41Z2MdsnW3L.jpg)
![CNBTR 8mm ID 12mm OD 3.5mm Thickness Bearing Steel Mini Groove Ball Bearings DIY Industry MR128ZZ Pack of 10 - Image 2](https://m.media-amazon.com/images/I/41ckUnAZZlL.jpg)
![CNBTR 8mm ID 12mm OD 3.5mm Thickness Bearing Steel Mini Groove Ball Bearings DIY Industry MR128ZZ Pack of 10 - Image 3](https://m.media-amazon.com/images/I/41gG1g4AwOL.jpg)
![CNBTR 8mm ID 12mm OD 3.5mm Thickness Bearing Steel Mini Groove Ball Bearings DIY Industry MR128ZZ Pack of 10 - Image 4](https://m.media-amazon.com/images/I/41kqwYW2SxL.jpg)
![CNBTR 8mm ID 12mm OD 3.5mm Thickness Bearing Steel Mini Groove Ball Bearings DIY Industry MR128ZZ Pack of 10 - Image 5](https://m.media-amazon.com/images/I/41oC1pXicRL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ See stars
*by M***K on January 17, 2026*

great

### ⭐⭐⭐⭐⭐ Good quality bearing for limited clearance
*by K***N on April 6, 2025*

These bearings were used to replace worn sleeve bearings for small lathe handwheel shafts. The small size outer race was appropriate for the minimal clearance available. The application is shaft stabilization in low speed application and for that purpose, these bearings are entirely satisfactory.

### ⭐⭐⭐⭐⭐ Small Breaings
*by M***X on August 10, 2024*

As described!

## Frequently Bought Together

- CNBTR 8mm ID 12mm OD 3.5mm Thickness Bearing Steel Mini Groove Ball Bearings DIY Industry MR128ZZ Pack of 10
- Arduino Nano Every [ABX00028] – ATmega4809, 48KB Flash, 6KB SRAM, 20 Digital I/O, 8 Analog Inputs, Micro USB Type-B, Compatible with Arduino IDE for Embedded Projects

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**Shop now:** [https://www.desertcart.ie/products/148772598-cnbtr-8mm-id-12mm-od-3-5mm-thickness-bearing-steel](https://www.desertcart.ie/products/148772598-cnbtr-8mm-id-12mm-od-3-5mm-thickness-bearing-steel)

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*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-03-19*