Failure Analysis of Bolted Roller Bearings1

In recent years, our economic development has become better and better. As the demand for our industrial production increases, more and more mechanical products are used in our industrial fields. We will see bearings in many machines, and we all know that there are many types of bearings. Then we will briefly understand the failure analysis of bolted roller bearings. I hope you can have more understanding, then Next, I will follow the editor and everyone to make an understanding together, I hope everyone can have a new understanding and understanding. 1. The bolt roller bearing is burnt. Burned bearings have tempering on their raceways and rolling elements. One of the reasons for the burn: the bearing is not installed correctly, the position is not in the center, if the deflection is large, it is easy to cause the bearing temperature to rise, and the phenomenon of bearing burn occurs; the second reason: the lubrication of the bearing is insufficient, and the quality of the lubricating oil does not meet the requirements Requirements or deterioration; Reason three: The bearing assembly is too tight, and the influence of thermal expansion is not considered in the design, resulting in smaller and smaller bearing clearances during operation. 2. The metal of the cage adheres to the rolling elements. One of the reasons: the rolling elements of the thin-walled bolt roller bearing are too tightly assembled with the cage during the installation process, and the rolling elements are stuck in the cage when the bearing rotates at high speed; the second reason: the quality of the lubricating oil does not meet the requirements or deteriorates , The lubricating oil pipeline is blocked, resulting in insufficient lubrication. 3. Cracks in the bolt roller bearing race. The reasons for cracks in the bearing race of the thin-walled bolted roller bearing may be that the bearing is too tight, the outer ring or inner ring of the bearing is loose, the bearing part is deformed, and the surface of the bearing is poorly machined. After reading the above analysis of the failure of bolted roller bearings, you should have some understanding. I hope you can have some understanding. For bearing products, in fact, they have very high requirements for their quality, so that our machinery can be used more safely. Our company's roller and needle roller bearings are also one of our company's products. You can come to know a moment.

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