According to the market bearing the inspection found that the current distribution in the bearing mainly in eight kinds of fraud:Eccentric Shaft
1, with iron, carbon steel bearings (hardness is not enough), and repair scrap bearing (accuracy is not enough)spare auto parts ;
2, the low-quality bearings,linear ball screw small factories bearing marked with maker's trademark, the famous maker of counterfeit products, internal and external packaging and certification;
3, the famous giant fake users, dealers, agents, and even spot counterfeit manufacturers retail outlet;
4, using defective bearings posing as genuine bearings;
5, the ordinary type into a D-level grade bearings bearings;
6, where a good mix into the fake goods;
7, fakes sell genuine price genuine selling D-level price, the price of the use of counterfeit;
8, to bargain Jiugei fake, to be genuine good quality Jiu Ji.
9, quality and technical supervision of experts remind consumers to purchase qualified bearings, first of all to observe whether the clear packaging, most of the use of genuine Stamping technology, but without the heat-treatment is carried out before the embossing, so the font may be small, but very deep concave, is very clear.
10, counterfeit products, fonts vague, floating on the surface, some of them can be erased by hand.
11, followed by the surface to see whether there are muddy traces of oil, rust-proof technology, if not at home, it is easy to leave a thick layer of oil, very viscous in his hand.
12, at the same time, but also attention to the selection chamfering uniform, spin-free miscellaneous sound products.