How to distinguish high-quality stainless steel bearings better

Because stainless steel bearings have good anti-corrosion and anti-rust functions, and their service life is quite long, many companies will choose stainless steel bearings to make them widely used in various fields. However, there are many stainless steel bearing brands on the market. How can we better distinguish which stainless steel bearing is of higher quality? 　
First, you need to look at the appearance packaging of stainless steel bearings. Generally speaking, stainless steel bearings produced by regular manufacturers will be customized for special production packaging. It can be said that the packaging of the products is very delicate. The packaging of some contract manufacturers will appear more neutral.
Second, you need to see if the steel seal of the stainless steel bearing is very clear. Generally speaking, the steel seal of the stainless steel bearing produced by the regular manufacturer is very clear, and there will be a very obvious corporate logo on it. It can be said that the handwriting is also very clear. clearly. But for some counterfeit brands, the steel seal will not be particularly clear, and the handwriting will be very vague.
Third, feel, you can touch the surface of stainless steel bearings with your hands. Generally speaking, the surface of stainless steel bearings produced by regular manufacturers is very clean and there is basically no oil stains. However, if they are produced by some informal manufacturers, There will be a lot of oil on the surface, and it will feel particularly sticky when you touch it with your hands.
It can be said that the identification of high-quality stainless steel bearings still requires us to observe carefully. As long as we carefully distinguish from the perspective of appearance and feel, we will definitely find differences.