How to check 22318e bearing quality?

How to check 22318e bearing quality?
To identify the quality of equipment 22318e bearings, we usually carry out from the following aspects:
Is there any noise
The left hand holds the 22318e bearing body sleeve, and the right hand gently rotates the sleeve to listen to whether there is any noise in the process of bearing operation.Because the production conditions of most counterfeit products are backward, completely manual workshop operation, in the production process, the 22318e bearing body will inevitably be mixed with dust, sand and other impurities, so when the bearing rotates, there will be noise or poor operation phenomenon.This point is the key to judge whether the product comes from the brand of a manufacturer with strict production standards and machine operation.

Whether there are muddy oil stains on the surface
Whether there are muddy oil stains on the surface requires special attention when we buy imported bearings.Because there is a certain gap between domestic antirust technology and foreign advanced manufacturing countries, it is easy to leave thick oil stains when carrying out antirust treatment on the 22318e bearing body, and it feels sticky and thick when touching by hand, while foreign original imported bearings can hardly see any traces of antirust oil.According to the industry, special careful people can smell a special taste on the imported bearings, which is the taste of antirust oil.

Whether the chamfering is uniform
The so-called 22318 bearing chamfering, that is, the intersection of the horizontal and vertical plane, counterfeit 22318e bearing products due to the limitations of production technology, in these parts of the edges and corners are not satisfactory, which we can easily distinguish.
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