Equal section is a kind of thin-walled bearing, it has the advantages of high precision, strong bearing capacity, etc., in many modern industrial equipment are used, but in the process of use, there will inevitably be some loss, in order to reduce these losses, improve the service life of the bearing, the need for frequent maintenance of equal section thin-walled bearings...

Lubrication has an extremely important influence on the operation and life of thin-walled bearings. Grease is made from base oil, thickener and additives. The performance of different types and different grades of the same type of grease varies greatly and allows for different rotational limits...

In recent years, with the development of manufacturing technology, there has been an increasing demand for various types of robots with modern manufacturing technology. Such as large construction machinery, automobiles, home appliances and other automated production lines, as well as to enhance the country's high-tech strategic position of deep-sea manned...

Rolling body by the load, rolling body and the contact surface of the inner and outer ring will produce contact stress, inner and outer ring and rolling body in the work of relative rotational movement, so the contact stress will change, contact stress exceeds the specified value...