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Lanyu Bearing gives you some tips on how to identify high quality bearings

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Apr 14,2023

Lanyu Bearing, a professional manufacturer of double row angular contact ball bearings, has been seriously studying the technology of double row angular contact ball bearings, employing well-known bearing experts at home and abroad, optimizing product design, improving processing technology, controlling the quality of raw materials, introducing key advanced equipment and together, the production of low noise angular contact ball bearings has reached the domestic advanced level. In this issue, Lanyu double row angular contact ball bearing experts will focus on how to identify bearing quality.

1, whether the packaging is clear:

Under normal circumstances, the factory brand has its own specialized designers to design the external packaging, and arrange the production conditions of the factory pass the production, so the packaging from the line to the color block are very clear, unequivocal. (Some parts of imported brands have special designs on their packaging to protect their intellectual property rights, which will be introduced in detail in the future).

2, whether the steel seal word is clear:

The bearing body will be printed with brand words, labels, etc. The font is very small, but most of the factory's products use the steel printing technology, and before the heat treatment is pressed, so although the font is small, but deep concave, very clear. The fonts of counterfeit products are not only fuzzy, but also surface because of the rough printing technology. Some of them can even be easily erased by hand.

3, whether there is noise:

The left hand holds the inner sleeve of the bearing, the right hand moves the coat to make it rotate, and listen to whether there is noise. Due to the backward production conditions of most counterfeit products, completely manual workshop operation, it is inevitable that impurities like sand will be mixed in the production process, hidden in the bearing body, so it will emit noise when rotating. This is the biggest difference between the factory brands that strictly implement production standards and operate with machines.

4, whether there is muddy oil on the surface:

This should be paid special attention to when buying imported bearings. Due to the current domestic rust prevention technology is not particularly home, so it is easy to leave a thick oil stain when the bearing body rust prevention treatment, sticky in the hand, and foreign bearings imported almost can not see traces of rust oil, but a particularly careful expert said imported bearings smell a taste, must be under the rust prevention oil, but can not see it.

5, whether the chamfer is uniform:

The so-called bearing chamfering, that is, the intersection of the transverse plane and the vertical plane, counterfeit bearings due to the limitations of production technology, in these corners and corners of the position processing unsatisfactory.

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