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Precisely match your needs-detailed interpretation of automobile bearing outer diameter 71 inner diameter 38 height 39
Posted on 2025-06-14

In many auto parts, although the bearing may seem inconspicuous, it is one of the indispensable components for vehicle operation. In particular, the size of the outer diameter of 71mm, inner diameter of 38mm, height of 39mm of specific specifications of bearings, because of its excellent performance is favored.

Automotive bearing appearance

Exploring core parameters: why is the outer diameter 71mm, inner diameter 38mm and height 39mm so critical

This series of data is not arbitrarily set, but the best combination of precise calculations. First of all, the outer diameter of 71mm ensures sufficient bearing capacity to enable the bearing to operate stably under high-strength working conditions. Secondly, the inner diameter of 38mm takes into account both flexibility and durability, which is convenient for installation and disassembly and is not easy to wear. Furthermore, the height of 39mm further improves the overall rigidity and impact resistance. The coordination of these three together cast a high quality professional grade bearing.

Material Secret: How to Judge Bearing Quality by Material

High-quality raw materials are a key factor in determining product quality. This bearing selection of high carbon chromium steel as the main component, with excellent hardness and corrosion resistance. At the same time, the surface is also processed by a special treatment process to increase the smoothness and reduce the friction coefficient to extend the service life.

Bearing Detail

Scenario adaptation guide: Which areas are most suitable for using bearings of this specification

Due to its unique advantages, these bearings are widely used in all types of passenger vehicles and commercial vehicles. For example, this type of product is needed in the car steering system because it can withstand a larger load while maintaining a higher rotation accuracy to ensure a safe and comfortable driving experience. In addition, in the industrial mechanical transmission device also has a very good performance effect.

FAQ: Everything you need to know about installation and maintenance

There may be some questions for users who are first exposed to such products. For example, can it be directly cleaned with water? The answer is no, of course, water intrusion will lead to corrosion damage of internal parts and increase the risk of loss of function. The correct approach should be to use a clean soft cloth to wipe the external dust oil can achieve the purpose of cleaning.

In addition, regular inspection of the lubrication condition is also very important if there is not enough grease to cover the rolling body will produce dry grinding phenomenon and thus accelerate the aging process to shorten the life expectancy.

Use Case

Sharing of purchasing skills: Teach you to quickly find the most suitable bearing for your project

in the face of a wide variety of different brands of goods in the market, we should consider making wise decisions from the following aspects:
-confirm the specific parameters required as mentioned above and understand our own equipment requirements clearly;
-consult relevant certification information to ensure that the source is reliable and trustworthy;
-compare the price range and comprehensively evaluate the cost performance to finally determine the desired option.

automobile bearing outer diameter 71 inner diameter 38 height 39
automobile bearing outer diameter 71 inner diameter 38 height 39
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