Reasons That Affect The Life Of NTN Bearings

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　　The use factor mainly refers to whether the installation adjustment, use and maintenance, maintenance and repair meet the technical requirements. According to the technical requirements of NTN thrust bearing installation, use, maintenance and maintenance, the load, speed, working temperature, vibration, noise and lubrication conditions of the bearing in operation are monitored and checked. If an abnormality is found, the cause will be found immediately and the adjustment will be carried out. NSK bearing is adjusted to make it back to normal. The installation condition is one of the most important factors in the use factors. The bearing is often caused by improper installation, which causes the stress state between the parts of the whole set of bearings to change. The bearing runs in an abnormal state and ends its service life early.

 

　　Intrinsic factors mainly refer to the three major factors that determine the quality of the bearing, such as structural design, manufacturing technology and material quality.

 

　　The metallurgical quality of NTN thrust bearing materials used to be the main factor affecting the early failure of rolling bearings. With the progress of metallurgical technology (such as vacuum degassing of bearing steel, etc.), the quality of raw materials has been improved. The proportion of raw material quality factors in bearing failure analysis has dropped significantly, but it is still one of the main factors affecting bearing failure. Sichuan NSK bearing material selection is still a factor that must be considered in bearing failure analysis.

 

　　The manufacture of bearings generally involves multiple processing procedures such as forging, heat treatment, turning, grinding and assembly. The rationality, advancement and stability of each processing technology will also affect the life of the bearing. Among them, the heat treatment and grinding processes that affect the quality of the finished NTN thrust bearing are often more directly related to the failure of the bearing. In recent years, studies on the deteriorating layer of the bearing working surface have shown that the grinding process is closely related to the bearing surface quality.