1, feel bearing quality through the surface

I discover in the process that sells bearing a lot of clients say to want bearing surface brightness only is quality good, this is wrong. The light of bearing surface should be to plant glossy black, the place such as the grinding craft that whether the rolled steel that bearing place uses amounts to mark and it and use cutting liquid produces cause this kind of glossy black cause, among them two are given priority to before.

2, pour wine cup shining

The pours horn not to decide bearing quality of bearing, but the treatment method that reflected bearing however. Pour horn to be black, explain to wait for heat treatment through quenching, increase the hardness of bearing so, and some people think horn is black not good-looking it is to was not machined complete, this is an error.

3, cage of an organic whole is better than two body, although new technology uses cage of an organic whole, but it was to save stuff merely, and the difference that compares two style to the function such as circumgyrate.

As a whole, the service life of bearing and 3 elements are relative, it is the quality of bearing itself. 2 it is use environment. 3 it is installation method.