Under normal circumstances, KOYO bearings of the factory brand have their own special designers to design the external packaging, and arrange the production facilities to produce and produce, so the packaging is very clear from the line to the color block, unambiguous, part The brand's accessory packaging also has a unique design specifically designed to protect your intellectual property.
Second, whether the steel printing on KOYO bearings is clear:
Brand words, labels, etc. will be printed on the KOYO bearing body. The font is very small, but most of the products produced by the factory use the stamping technology, and the type is pressed before the heat treatment, so the font is small, but the recess is deep and very clear. The fonts of counterfeit products are not only blurred, but because of the rough printing technology, the fonts float on the surface, and some can even be easily erased by hand.
Third, KOYO bearing KOYO bearing body has a strange noise:
Hold the KOYO bearing inner sleeve of KOYO bearing with your left hand, and turn the outer sleeve with your right hand to make it rotate to hear if there is any noise. Due to the backward production conditions of most counterfeit products, it is completely hand-worked. It is inevitable that impurities such as sand will be incorporated into the KOYO bearing body during the production process, so it will make noise when rotating. This is the biggest difference between a factory brand that strictly enforces production standards and operates with machines.
4. Is there any turbid oil on the surface of KOYO bearings:
This should be paid special attention when purchasing KOYO bearings. Since the current domestic anti-rust technology is not particularly good at home, it is easy to leave a thick oil trace when the KOYO bearing body is rust-proof, and it is sticky on the hand, and the foreign original KOYO bearing is almost seen. Not to trace the anti-rust oil, but it is particularly careful that the expert said that KOYO bearing smells like a smell, it must be under the anti-rust oil, just can't see it.
5. Whether the chamfer of KOYO bearing is uniform:
The so-called chamfering of KOYO bearings, that is, the intersection of the horizontal and vertical faces, the counterfeit KOYO bearings are not well handled at these corners due to the limitation of production technology.
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