The quality of detection imported bearings a few errors

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1, through the surface feel bearing quality spindle bearing
According to the sales experience found that many customers said that as long as the bearing surface bri ghtness is of good quality, which is wrong. Bearing surfaces should be bright kind of glossy black, cause this raven whether bearing steel standards and the grinding process and cutting fluid produced, which the previous two main.
2, chamfer is bright
The chamfer of the bearing does not determine the quality of the bearing, but it reflects a processing method of the bearing. Chamfer is black, after the hardening heat treatment, thus increasing the hardness of the bearing, and some people think chamfered ugly black is not processed completely, which is a misunderstanding.
Integrated cage is better than the two-body and new technology to use one of the cage, but it just saves material, and worse than the two-body rotation and other properties.
Overall, the service life of the bearings and the three factors have bearing itself quality. The second is the use of the environment. Third, the installation method. s lim bearing