What are the components of bearings in roller accessories?

When there are problems with roller accessories, they will choose to buy new accessories from roller accessories dealers. When purchasing accessories, they need to know more about them. One very important aspect is to understand the components of bearings in roller accessories.
1. Outer ring
This is a very important part of it. Although it is not the core, it is indeed indispensable.
2. Inner ring
This component is a part corresponding to the outer ring, and it is also a very necessary component.

3. Rolling element
This part can be subdivided, specifically including steel ball, tapered roller, needle roller or cylindrical roller, etc., which are very important.
4. Holder
Cage can be said to be a very important aspect. One of the important functions of cage is to evenly divide the rolling elements. It can be said that it has many kinds. However, according to the specific needs of different products, some products have no cage in the bearing because it is full of rolling elements.
5. Dust cover or sealing ring
These two parts are different according to different products. If grease lubrication is used, this part is not required.
When buying bearings from roller accessories dealers, we must understand these basic knowledge of bearings, so as to select appropriate accessories.