---
product_id: 182298171
title: "684ZZ Bearing 4X9X4 mm ABEC-5 (10 PCS) Miniature 684Z Ball Bearings 684 ZZ 618/4ZZ Hobby Emax Motor Quadcopter L-940ZZ Bearing"
brand: "fushibearing"
price: "$22.73"
currency: USD
in_stock: true
reviews_count: 8
url: https://www.desertcart.us/products/182298171-684zz-bearing-4x9x4-mm-abec-5-10-pcs-miniature-684z
store_origin: US
region: United States of America
---

# Low noise operation 4x9x4 mm precision ABEC-5 rated 684ZZ Bearing 4X9X4 mm ABEC-5 (10 PCS) Miniature 684Z Ball Bearings 684 ZZ 618/4ZZ Hobby Emax Motor Quadcopter L-940ZZ Bearing

**Brand:** fushibearing
**Price:** $22.73
**Availability:** ✅ In Stock

## Summary

> 🔧 Elevate Your Hobby with Precision Bearings!

## Quick Answers

- **What is this?** 684ZZ Bearing 4X9X4 mm ABEC-5 (10 PCS) Miniature 684Z Ball Bearings 684 ZZ 618/4ZZ Hobby Emax Motor Quadcopter L-940ZZ Bearing by fushibearing
- **How much does it cost?** $22.73 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/182298171-684zz-bearing-4x9x4-mm-abec-5-10-pcs-miniature-684z)

## Best For

- fushibearing enthusiasts

## Why This Product

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

## Key Features

- • **Durable Chrome Steel:** Constructed from high-quality chrome steel for enhanced longevity.
- • **Precision Engineering:** Crafted for exacting standards with a 4x9x4 mm size.
- • **Versatile Applications:** Ideal for quadcopters, motors, and various hobby projects.
- • **Whisper-Quiet Performance:** Designed for minimal noise, perfect for hobbyists and professionals alike.
- • **Pre-Lubricated for Efficiency:** Comes pre-lubricated to reduce friction and ensure smooth operation.

## Overview

The 684ZZ Bearing set includes 10 high-performance miniature ball bearings, each measuring 4x9x4 mm. Engineered with ABEC-5 precision, these bearings are pre-lubricated for optimal performance and feature a durable chrome steel construction, ensuring longevity and low noise levels during operation. Perfect for hobbyists and professionals in need of reliable components for motors and quadcopters.

## Description

684ZZ Bearing 4X9X4 mm ABEC-5 (10 PCS) Miniature 684Z Ball Bearings 684 ZZ 618/4ZZ Hobby Emax Motor Quadcopter L-940ZZ Bearing

## Features

- Structure of bearing model 684zz :Inner & outer ring, cage, steel balls, grease, shield
- Our bearing is pre-lubricated with grease,The main purpose of lubrication is to reduce friction that may cause premature failure.
- Nylon plastic retainers,Use for high speed rotation and low noise levels，The ZZ shield cannot be removed
- Bearing is made of chrome steel material,The typical surface hardness for bearing components made from this material ranges from 60-64 on the Rockwell hardness C scale (Rc).
- Bore Dia (d): 4.000 mm Outer Dia (D): 9.000 mm Width (B): 4.000 mm

## Product Details

- **Brand:** FUSHIBEARING
- **Material:** Alloy Steel
- **Item dimensions L x W x H:** 0.16 inches
- **Item Weight:** 10 Grams
- **Bearing Number:** 684ZZ

## Images

![684ZZ Bearing 4X9X4 mm ABEC-5 (10 PCS) Miniature 684Z Ball Bearings 684 ZZ 618/4ZZ Hobby Emax Motor Quadcopter L-940ZZ Bearing - Image 1](https://m.media-amazon.com/images/I/51swbfH3SpL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Will work with Quad or Plane motors.
*by S***R on April 27, 2020*

Look for that 'Abec-5'. It's not that Abec-5 means they are the best made it's mid on the Abec scale. To me it means they are better for the money by a magnitude than all of the other bottom of the barrel bearings you are likely trawling through now hoping for fast shipping as a prime member. If a seller doesn't list where said bearings rate on industry rating systems then they are almost certainly low quality. Also these weren't much more $. In some or maybe most sizes of these small bearing packs here your not going to find any Abec-5 or they will be over 2x the price, sigh.........

### ⭐⭐⭐⭐⭐ Worked for samsung robot vacuum
*by J***J on February 8, 2022*

Samsung powerbot r7070 could not find replacement parts anywhere. Bearing on brush was making alot of noise. Replaced with this bearing. Quiet and smooth with extras. Price is good.

### ⭐⭐⭐⭐⭐ Great bearings and cheaper than name brand
*by D***. on February 24, 2020*

Smooth as new bearings and worked great in 2207 and 2306 motors

## Frequently Bought Together

- 684ZZ Bearing 4X9X4 mm ABEC-5 (10 PCS) Miniature 684Z Ball Bearings 684 ZZ 618/4ZZ Hobby Emax Motor Quadcopter L-940ZZ Bearing
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**Shop now:** [https://www.desertcart.us/products/182298171-684zz-bearing-4x9x4-mm-abec-5-10-pcs-miniature-684z](https://www.desertcart.us/products/182298171-684zz-bearing-4x9x4-mm-abec-5-10-pcs-miniature-684z)

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-03-16*