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313893
ID：200mm
OD：280mm
C：200mm
Four-row cylindrical roller bearings for rolling mills are widely used in rolling mill roll systems. The support rolls of the hot rolling mill unit of Changshu Aluminum Co., Ltd. use a combination of four-row cylindrical roller bearings and thrust bearings. Type, four-row cylindrical roller bearings can withstand large radial forces, and the axial forces are borne by a separate thrust bearing. Compared with ordinary rolling bearings, the working environment of roller bearings is relatively harsh and the working load is relatively large. Most of the roller bearings that were damaged earlier are not always due to their own quality defects. In most cases It is caused by incorrect installation methods and lack of necessary maintenance. According to statistics, poor bearing lubrication accounts for 35%, bearing contamination accounts for 15%, poor installation accounts for 20%, and material fatigue failure accounts for 35% of the causes of bearing failure. 30%. Therefore, correct installation and maintenance of roller bearings are important factors related to the life of roller bearings.
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