---
product_id: 690968663
title: "MR84-2RS Deep Groove Ball Bearings 4mm Inner Dia 8mm OD 3mm Bore Double Sealed Chrome Steel Z2 10pcs"
brand: "uxcell"
price: "$51"
currency: NZD
in_stock: true
url: https://www.desertcart.nz/products/690968663-mr84-2rs-deep-groove-ball-bearings-4mm-inner-dia-8mm
store_origin: NZ
region: New Zealand
---

# Chrome steel for heavy-duty durability 4mm inner diameter precision fit Double sealed for ultimate protection MR84-2RS Deep Groove Ball Bearings 4mm Inner Dia 8mm OD 3mm Bore Double Sealed Chrome Steel Z2 10pcs

**Brand:** uxcell
**Price:** $51
**Availability:** ✅ In Stock

## Summary

> 🛠️ Small Bearings, Big Impact: Power Your Precision Projects with Confidence!

## Quick Answers

- **What is this?** MR84-2RS Deep Groove Ball Bearings 4mm Inner Dia 8mm OD 3mm Bore Double Sealed Chrome Steel Z2 10pcs by uxcell
- **How much does it cost?** $51 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/690968663-mr84-2rs-deep-groove-ball-bearings-4mm-inner-dia-8mm)

## Best For

- uxcell enthusiasts

## Why This Product

- Trusted uxcell brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Dual-Sided Sealing:** Double sealed design locks in lubricant and keeps contaminants out, extending bearing life.
- • **Precision Miniature Fit:** 4mm inner diameter ensures seamless integration with micro motors and compact machinery.
- • **Versatile Industrial Use:** Ideal for micro motors, office equipment, and cycling headset parts—engineered for the modern multitasker.
- • **Robust Chrome Steel Build:** Crafted from GCr15 chrome steel, engineered to withstand heavy loads and harsh conditions.
- • **Low Noise, High Efficiency:** ABEC-1 accuracy with Z2 noise rating delivers smooth, quiet operation for professional-grade performance.

## Overview

The uxcell MR84-2RS Deep Groove Ball Bearings feature a compact 4mm inner diameter and 8mm outer diameter, crafted from durable chrome steel (GCr15). Double sealed on both sides, these bearings maintain lubrication and resist contaminants, ensuring longevity under static loads of 113N and dynamic loads of 336N. With ABEC-1 tolerance and low noise (Z2), they deliver reliable, quiet performance across a range of industrial and cycling applications.

## Description

NOTE：Please refer to the picture and select right type of bearings before your order (Sealed or Shield on BOTH or SINGLE side of the bearing). Suffix on the bearing just for differentiating between Sealed and Shield type of bearing. It would not affect the use of our product. Description:Single-row, pre-lubricated, normal accuracy.Deep Groove Ball Bearings are one of the most widely used rolling bearings. They are used to accommodate radial and axial loads in both directions.With small friction and high-limit speed, Ball Bearings are cost-effective and require little maintenance.These cost-effective bearings are widely used in areas with low requirements for Mohs hardness.Suitable for all kinds of industrial equipment, micro motor, small rotary motor, office equipment and so on. Selecting Guide:Shields (Designation Suffix Z/ZZ) - High speed. Protect from dirt and debris.Sealed (Designation Suffix RS/2RS) - Made of sheet steel reinforced nitrile butadiene rubber (oil- and liquid-resistant). Lower limit speed than Shield Bearings. Specification:Model: MR84-2RSSeal Type: Double SealedInner Race/Outer Race Material: Chrome Steel (GCr15)Cage Material: Stamping SteelInner Diameter (d): 4mmOuter Diameter (D): 8mmThickness (B): 3mmDynamic Load Rating (Cr): 336NStatic Load Rating (Cor): 113NAccuracy Class: P0 (ABEC-1)Noise Level: Z2Number of Pack: 10 Pcs

## Features

- MR84-2RS (I.D.=4mm, O.D.=8mm, Thickness=3mm)
- mr84-2rs bearings are sealed on BOTH SIDES to keep lubricant in
- Made from Chrome Steel (GCr15), durability and resistance to under heavy loads
- ABEC Tolerance 1 (P0), Z2 Noise Level for most general use
- Static load rating of 113 newtons and dynamic load rating of 336 newtons

## Product Details

- **Brand:** uxcell
- **Material:** Alloy Steel
- **Item dimensions L x W x H:** 12 x 10 x 1.5 centimeters
- **Item weight:** 0.02 Pounds
- **Bearing number:** MR84-2RS

## Images

![MR84-2RS Deep Groove Ball Bearings 4mm Inner Dia 8mm OD 3mm Bore Double Sealed Chrome Steel Z2 10pcs - Image 1](https://m.media-amazon.com/images/I/61rZFmGuyoL.jpg)

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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-02-28*