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2PCS Hybrid 6903 Ceramic Bearing for Bike Hubs 6903-2RS 17x30x7mm

Product ID: 48541939

Details

Brand
HMMBW
Material
Si3N4+Bearing
Item dimensions L x W x H
1.18 x 1.18 x
Item Weight
20 Grams
Bearing Number
6903 2RS

🎯ABEC-3 precision ±0.005mm

⚙️Hybrid ceramic + steel build

🛡️Durable PA66 low-friction cage

¥8262

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In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

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

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.

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.

Specifications

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

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TrustScore 4.5 | 7,300+ reviews

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¥8262

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Japan.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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