To judge the quality of KOYO bearings, bearings knowledge

A, KOYO bearing outer packing is clear: in general, is KOYO bearing factory brand has its own professional design external packaging design, and arrange production with the conditions of the factory production, so no matter from packaging lines and colors are very clear, unambiguous, part of the brand package of accessories and special unique design to protect their intellectual property. Second, KOYO bearings on the steel seal of word is clear: on KOYO bearing body printed with brand, label, etc. Font is very small, but is produced by the factory are mostly use seal technology, and before without overheating treatment of words, so the font although small, but deep concave, very clear. And counterfeit products font instead of fuzzy, because of printing technology coarse, font float to the surface, in some cases can be easily erased by hand. Three, KOYO bearings KOYO bearing body is there a miscellaneous ring: the KOYO bearing KOYO bearing body with his left hand, right hand toggle coat to make it spin, listen to its hybrid ring. Due to the backward production conditions most of the counterfeit products, fully manual mill operation, in the process of production inevitably mixed into the sand kind of impurity, hidden inside the KOYO bearing, so makes a noise when rotating ring. This is and strict production standards, and use machine operation are factory is the biggest difference between brands. Four, KOYO bearing surface for cloudy oil stains, it should pay special attention to when buying KOYO bearing. Due to the current domestic antirust technology is not particularly home, so to KOYO bearing body the antirust processing and it is easy to leave a thick oil stains, holding the thick thick, and the foreign original KOYO bearing can hardly see the trace of anti-rust oil, is particularly careful expert said KOYO bearing smell a smell, must be under the anti-rust oil, just can't see. Five, KOYO bearing chamfer whether uniform: so-called KOYO bearing chamfer, namely horizontal plane and vertical plane junction, fake KOYO bearing because of the limitation of production technology in the area of the fringes is handled.