Wheel Bearing 051-4138
Wheel Bearing 051-4138
What is a Wheel Bearing?
A wheel bearing is a set of steel balls held together by a metal ring that fits snugly inside a hub assembly. It is an important part of the wheel assembly, responsible for supporting the weight of the vehicle and cargo, reducing friction, maintaining stability, and sealing out contaminants.
Functions of a Wheel Bearing:
- 1. Supports weight: It carries the entire weight of the vehicle and the cargo, transferring these vertical loads to the wheel and onwards to the road.
- 2. Reduces friction: It provides a low friction coefficient through its internal precise ball or roller structure, as well as high-quality lubricating grease, ensuring that the wheel rotates efficiently and without obstruction.
- 3. Maintains stability: It ensures the directional stability of the wheel relative to the vehicle, preventing wheel wobbling and unstable movement caused by loose or damaged bearings.
- 4. Seals and protects: Modern wheel bearing units typically feature a sealed design to prevent dust, water, and other pollutants from entering the bearing internals, extending its lifespan.

Compatibility
The 051-4138 wheel bearing is compatible with various brands and models of cars, including but not limited to:
- - Audi Q7 (2007-2015)
- - Volkswagen Touareg (2004-2015)
- - Porsche Cayenne (2003-2010)
| N.W. | Box | OE Number | America Number |
Other Number |
Application | |||
| 0.62 | 70*40 | 90369-38021 90369-38022 |
510062 051-4138 |
DAC38710039 38BWD22 |
Toyota YaRis 1999-2005 Front Toyota Vios 2002-2007 Front |
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Our Product Advantages
We manufacture this wheel bearing and offer the following advantages:
- - High-quality steel balls and rings for superior durability and strength
- - Precision machining for a perfect fit and smooth operation
- - Sealed design to prevent contaminants from entering the bearing internals, maximizing its lifespan

Technical Specifications
| Parameter | Value |
|---|---|
| Inner Diameter | 77 mm |
| Outer Diameter | 130 mm |
| Width | 50 mm |
| Load Type | Radial |
| Load Rating | 90 kN |
| Precision | ABEC-1 |
| Material | Chrome steel |
| Surface Treatment | Polished, Phosphate-treated, Blackening-treated |
| Speed Rating | 5000 RPM |
About Our Company
We are a professional factory specializing in manufacturing automotive parts, including power steering racks, synchronizer rings, wheel hubs, chains, sprockets, pulleys, gearboxes, and more. Our parts are available for all major car brands and models, and we also offer custom services. We pride ourselves on providing high-quality products at competitive prices and excellent customer service.

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Author: Miya
We promise will offer the best price by the high quality in china! We also accept special order about the products. If you are interested in our products. Please do not hesitate to let us know.We are pleased to give you the detailed information.We promise that our products would be safety and were in high quality and reasonable price. If you are interested in our products, please contact us asap.We are sincerely looking for your cooperation.
Most of our products are exported to Europe or Americas, both standard and nonstandard products available. We can produce as per your drawing or sample. Material can be standard or as per your special request. If you choose us, you choose reliable.
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