What are the main uses of roller bearings?

Roller bearings generally have a large bearing capacity and can be applied to various support structures with limited installation sizes. Before the bearing is installed, an appropriate amount of grease is generally injected. Therefore, under normal circumstances, after the installation of the product is completed, the user does not need to add lubricating oil separately. The cover of the product is closed, which has achieved the function of sealing and can withstand sliding in a small axial environment. This product has a relatively long service life and is highly regarded by many users. The full complement cylindrical roller bearing, which is the same as the bearing, can also bear a higher load and can also bear the load pressure caused by the external impact. However, the structure of this product is more compact and diverse, and the rotation accuracy during operation is relatively high. There are many varieties on the market, and it is relatively easy and simple to install. In the production process of bolted roller bearing manufacturers, it is widely used in various industries, such as machine tools, metallurgy and other industries. Generally, it is passive driven left and right. The usage habit is: it will not move actively, and something presses on it, it will move! Generally passive driven, the bolt-type curved roller is generally a full-complement roller structure, and the bolt shaft raceway part passes through Quenching, in order to avoid stress concentration, the outer surface of the thick-walled outer ring of the roller is curved. The outer ring has two integral ribs, which are guided axially by rollers. The head of the bolt shaft and the press-fitted side retaining ring provide axial support for the outer ring through the rollers. The clearance formed by the roller needle bearing after installation is called the installation clearance; after operation, the temperature of the bearing parts increases and the volume occurs Changes, and the elongation phenomenon also occurs due to the increase in the temperature of the shaft or shell matched with the bearing, which causes the clearance of the rolling bearing to change again. This working clearance is called the working clearance. The working clearance is generally smaller than the installation clearance, and sometimes this clearance value will also increase with the different assembly and installation methods.

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