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1, through the surface quality of rolling bearing
Ji'nan Yuelong Bearing Co., Ltd.: Sales of rolling bearing in the process of many customers that as long as the rolling bearing surface brightness is good quality, this is wrong. Rolling bearing surface should be the kind of glossy black, causes the raven is whether the rolling bearing using standard steel and its grinding and cutting fluids are used, in which the two previous main.
2, whether the light.
Rolling bearing chamfer does not determine the quality of rolling bearing, but it reflects the process of rolling bearing. Chamfering is black, that after quenching heat treatment, so as to increase the hardness of the rolling bearing, and some people think chamfer black does not look good is not processed completely, this is a misunderstanding.
3, one cage than the two body is good, although the new process uses one cage, but it only saves material, while the rotating performance than two difference.
In general, there is relationship between the using life of the rolling bearing and the 3 factors, one is the quality of rolling bearing. Two is the use of the environment. Three is the method of installation.
| Product Model | Inside Diameter | Outside Diameter | Thickness |
| 25BGR19H NSK | 25 | 42 | 9 |
| 25BGR19S NSK | 25 | 42 | 9 |