Most people think that angular contact ball bearings can be judged directly by their appearance, but Sanli can tell you based on 37 years of experience that this is not correct. In the process of selling bearings, we usually find that many customers say that as long as the surface of the angular contact ball bearing is bright, it means that it is also cost-effective. We will generally tell customers that this idea is incorrect, but there are still many customers. Not very agree. Again, this needs to be mainly indicated that the surface brightness of a good angular contact ball bearing should be a kind of blackness, not that kind of brightness. Some people think that a good bearing is a bright surface, but the reason for this kind of blackness is the bearing itself. Whether the material used is qualified and its cutting process and the cutting oil used are produced. Many people will judge the quality of the angular contact ball bearing by observing whether the chamfer is bright or not, but the reality is that although the chamfer of the angular contact ball bearing is not the only criterion for determining the quality of the bearing, it does reflect The processing technology of angular contact ball bearings. The chamfer is black, which means that the strength of the bearing can be improved through heat treatment and other heat treatment processes. Some people think that the chamfer is black and ugly, and it is not completely processed. This is also a misconception. Only when the torque is accurate can the rotation be stable! Reprint please indicate the source and link
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