---
product_id: 48541939
title: "2PCS Hybrid 6903 Ceramic Bearing for Bike Hubs 6903-2RS 17x30x7mm"
brand: "hmmbw"
price: "36073CFA"
currency: XOF
in_stock: true
category: "Hmmbw"
url: https://www.desertcart.sn/products/48541939-2pcs-hybrid-6903-ceramic-bearing-for-bike-hubs-6903-2rs
store_origin: SN
region: Senegal
---

# ABEC-3 precision ±0.005mm Hybrid ceramic + steel build Durable PA66 low-friction cage 2PCS Hybrid 6903 Ceramic Bearing for Bike Hubs 6903-2RS 17x30x7mm

**Brand:** hmmbw
**Price:** 36073CFA
**Availability:** ✅ In Stock

## Summary

> 🚴‍♂️ Ride Smooth, Ride Fast – Bearings That Keep You Ahead

## Quick Answers

- **What is this?** 2PCS Hybrid 6903 Ceramic Bearing for Bike Hubs 6903-2RS 17x30x7mm by hmmbw
- **How much does it cost?** 36073CFA with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/48541939-2pcs-hybrid-6903-ceramic-bearing-for-bike-hubs-6903-2rs)

## Best For

- hmmbw enthusiasts

## Why This Product

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

## Key Features

- • **Fit & Forget:** Compact 17x30x7mm size fits seamlessly into your bike wheel for a quick upgrade that lasts.
- • **Ready to Roll:** Comes pre-lubricated with premium grease for instant, maintenance-free performance.
- • **Precision Perfected:** ABEC-3 rating ensures minimal runout (±0.005mm) for flawless, high-performance cycling.
- • **Hybrid Ceramic Power:** Steel races combined with Si₃N₄ ceramic balls for unmatched durability and ultra-smooth rotation.
- • **Friction? What Friction?:** Low-friction PA66 polymer cage reduces drag, boosting speed and efficiency on every ride.

## Overview

These 2PCS 6903 hybrid ceramic ball bearings feature steel races paired with Si₃N₄ ceramic balls, delivering superior durability and reduced friction. Rated ABEC-3 for precision with ±0.005mm runout, and equipped with a low-friction PA66 polymer cage, they come pre-lubricated with premium grease. Sized 17x30x7mm, they are ideal for cycling applications requiring smooth, reliable performance and quick installation.

## Description

Product Note: Seal cap colors are randomly assorted—each variant meets the same high-performance standards, guaranteeing consistent quality across all units. Package Includes: 2 × 6903 ABEC-3 Precision Hybrid Bearings (dimensions: 17x30x7mm). Engineered for reliability, reduced friction, and long-term durability, these bearings are ideal for precision applications.

## Features

- ✔Type: Hybrid ceramic ball bearing
- ✔ Material: Steel races + Si₃N₄ ceramic balls
- ✔ Precision: ABEC-3 high precision tolerance
- ✔ Cage: PA66 polymer (low friction)
- ✔ Lubrication: Premium grease included

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0755W113H |
| Bearing Number | 6903 2RS |
| Bearing Type | Ball Bearing |
| Best Sellers Rank | #149,424 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #776 in Deep-Groove Ball Bearings |
| Brand | HMMBW |
| Brand Name | HMMBW |
| Compatible Lubricant | Grease |
| Customer Reviews | 4.4 out of 5 stars 110 Reviews |
| Item Dimensions | 1.18 x 1.18 x 0.28 inches |
| Item Highlight | Rust-Resistant G5 Si₃N₄ Ceramic Balls, Stainless Steel ABEC-3 |
| Item Thickness | 7 millimeters |
| Item Weight | 12 g |
| Item dimensions L x W x H | 1.18 x 1.18 x 0.28 inches |
| Manufacturer | Shanghai |
| Material | Si3N4+Bearing Steel |
| Material Type | Si3N4+Bearing Steel |
| Model | 6903 |
| Number of Items | 2 |
| Outside Diameter | 30 millimeters |
| Part Number | 6903 |
| UPC | 711202205307 |

## Product Details

- **Brand:** HMMBW
- **Material:** Si3N4+Bearing Steel
- **Item dimensions L x W x H:** 1.18 x 1.18 x 0.28 inches
- **Item Weight:** 20 Grams
- **Bearing Number:** 6903 2RS

## Images

![2PCS Hybrid 6903 Ceramic Bearing for Bike Hubs 6903-2RS 17x30x7mm - Image 1](https://m.media-amazon.com/images/I/71Mty77Ee2L.jpg)

## Questions & Answers

**Q: Does it come in pairs?**
A: 2pcs = 2 pieces.  Yes.  Two.

## Frequently Bought Together

- 2PCS 6903 Ceramic Bearing 17x30x7mm 6903-2RS Si3N4 Ceramic Ball Bearing ABEC-5
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- 17287-2RS Ball Bearing, 17x28x7mm Steel Balls Rubber Sealed, MR17287 RS Free Hub Bearings for Hope Fatsno Pro4 Lower Crank, (Pick of 3Pcs)

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**Shop now:** [https://www.desertcart.sn/products/48541939-2pcs-hybrid-6903-ceramic-bearing-for-bike-hubs-6903-2rs](https://www.desertcart.sn/products/48541939-2pcs-hybrid-6903-ceramic-bearing-for-bike-hubs-6903-2rs)

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*Product available on Desertcart Senegal*
*Store origin: SN*
*Last updated: 2026-11-10*