---
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: "70 zł"
currency: PLN
in_stock: true
url: https://www.desertcart.pl/products/148772598-cnbtr-8mm-id-12mm-od-3-5mm-thickness-bearing-steel
store_origin: PL
region: Poland
---

# Versatile industrial & DIY use 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:** 70 zł
**Availability:** ✅ In Stock

## Summary

> ⚙️ Keep your gears turning smoothly—because every detail counts!

## 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?** 70 zł with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/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

- • **Pack of 10 for Bulk Reliability:** Stay ahead with a ready supply of bearings to avoid downtime and keep projects moving.
- • **Versatile Application Across Industries:** Ideal for machinery, power transmission, cycling, and DIY projects—your all-in-one solution.
- • **Built to Last with Premium Bearing Steel:** Wear-resistant alloy steel ensures longevity under heavy-duty conditions.
- • **Grease-Compatible for Optimal Lubrication:** Supports grease lubrication to maintain low friction and extend bearing life.
- • **Precision Engineered for Peak Performance:** Exact 8mm ID x 12mm OD x 3.5mm thickness for seamless fit and smooth rotation.

## Overview

The CNBTR MR128ZZ mini groove ball bearings feature a precise 8x12x3.5mm dimension crafted from durable bearing steel. Designed for reliable performance in industrial, cycling, and DIY applications, this pack of 10 bearings supports grease lubrication to ensure long-lasting, low-friction operation.

## Description

CNBTR 8mm ID 12mm OD 3.5mm Thickness Bearing Steel Mini Groove Ball Bearings DIY Industry MR128ZZ Pack of 10

## 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 |
|---------------|-------|
| Brand | CNBTR |
| Material | Alloy Steel |
| Item Weight | 12 Grams |
| Bearing Number | MR128ZZ |
| Item Thickness | 3.5 Millimeters |
| Bearing Type | Ball Bearing |
| Compatible Lubricant | Grease |
| Outside Diameter | 12 Millimeters |
| Manufacturer | yqltd |
| Part Number | M6190101158 |
| Item Weight | 0.423 ounces |
| Package Dimensions | 2.48 x 1.89 x 0.16 inches |
| Item model number | M6190101158 |
| Pattern | MR128ZZ 8x12x3.5mm |
| Measurement System | Metric |
| Batteries Required? | No |

## Product Details

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

## 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/71RJY9u4pkL.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/71M8KtgaNyL.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/71qVXngA2HL.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/71p0dAvhfGL.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/61poysmn2+L.jpg)

## Available Options

This product comes in different **Pattern Name** options.

## Frequently Bought Together

- CNBTR 8mm ID 12mm OD 3.5mm Thickness Bearing Steel Mini Groove Ball Bearings DIY Industry MR128ZZ Pack of 10
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**Shop now:** [https://www.desertcart.pl/products/148772598-cnbtr-8mm-id-12mm-od-3-5mm-thickness-bearing-steel](https://www.desertcart.pl/products/148772598-cnbtr-8mm-id-12mm-od-3-5mm-thickness-bearing-steel)

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*Product available on Desertcart Poland*
*Store origin: PL*
*Last updated: 2026-01-22*