How to identify bearing quality? Identify the quality of bearing commonly used method are as follows:

1.Is the outer package of bearing clear:

In general, factory brand has its own special design personnel for out packaging design, and arrange production conditions passed factory produce , so packing no matter from line to color piece is clear, unequivocal.

2.Is bearing steel word clear:

In bearing body with brand words, the label , etc. Font is very small, but are mostly use steel product technology, but without the overheating in before deal with pressing word, so font although small, sunken have to-deep, very clear. Fake products not only the font fuzzy, due to the rough words printed technology, font float at the surface, some even easily can be erased by hand.

3. Does the bearing has noise:

The left hand holding the bearing body, the right hand moving coat rotating, listen to any miscellaneous noise. Since most of the counterfeit products produce conditions backward, fully manual mill operation, in the process of production will be hard to avoid mixed into the sand-kind of impurities, hidden in bearing body, so in turns will issue miscellaneous voise. This is strictly carry out the production standard, and use machine operation is the biggest difference between the brand.

4.Is bearing surface a murky oil stains:

The bearings in the purchase should pay special attention. Because domestic current antirust technology is not special pefect, so for bearing body antirust processing can easily leave thick oil stains, take it on sticky-sticky stiff, and the foreign original import bearings can hardly see traces of temporary, but special care expert said the import bearings smells like a kind of taste, affirmation is antitust oil, just impossible to see.

5.Is bearing chamfering uniform:
The so-called bearing chamfering, also is the horizontal surface and the vertical junction, counterfeit bearing because the production technical limitated, in these fringes parts process unsatisfactory.



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