| Rolling bearing is a very important type among all | | | | bearings. As to the former, there are different ways to |
| different bearing categories. Therefore, it is rather | | | | further classify them. For example, they can be further |
| necessary to have a clear idea about this type. | | | | divided into deep groove type and angular contact |
| The construction of the rolling bearing is the basic | | | | type according to ring configurations of products. If we |
| knowledge for you to learn. Most of them consist of | | | | classify them according to the shape of the rollers, |
| rings with raceway (inner ring and outer ring), rolling | | | | there are four types. They are cylindrical, needle, |
| elements (either balls or rollers) and cage. First of all, let | | | | tapered and spherical. Besides, if we classify them |
| us see the raceway. The "raceway surface" refers to | | | | according to direction in which the load is applied, there |
| the surface on which rolling elements roll. The contact | | | | are radial bearings and thrust bearings. |
| surface can support the load that is placed on the | | | | It is no doubt that roller bearings have many special |
| bearing. It is common that the inner ring and outer ring | | | | characteristics. Compared to many other kinds of |
| are placed at different places. Generally, the inner ring | | | | bearing products, they have many advantages. For |
| fits on the axle or shaft, whereas the outer ring will be | | | | instance, most of them can carry both radial and axial |
| placed on the housing. | | | | loads at the same time. Their rigidity can be improved |
| Secondly, let us see the rolling elements. Basically, they | | | | by preloading. Except for this, these products can be |
| can be classified into two types, i.e. balls and rollers. | | | | easily lubricated, thus, they will consume less lubricant. |
| The latter ones can be further divided into four types: | | | | Some commonly applied rolling bearings are deep |
| cylindrical, needle, tapered, and spherical. Thirdly, let us | | | | groove ball bearing, angular contact ball bearing, thrust |
| see something about cages. There are also many | | | | ball bearing, cylindrical roller bearing, needle roller |
| different kinds of cages such as the pressed cages, | | | | bearing, and thrust roller bearing, etc. All these different |
| machined cages and formed cages. They can prevent | | | | products are quite important in industries. They can be |
| the rolling elements from falling out. | | | | applied in various places to meet customers' |
| Now let us move to the classification of rolling bearings. | | | | requirements. |
| They can be classified to ball bearings and roller | | | | |