Cope ntn cylindrical roller bearings burn the failure of three factors

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A fracture is a small part of the fracture ntn bearing musical impact or excessive load is applied to the roll the track wheel flanges or the roller angle of local. This occurs because the bearing installation took a hit. The load is too large. Drop the us e of bad.high speed bearing
Corresponding measures to improve the installation method (thermal loading, use appropriate tools folder). Correct load conditions. Cylindrical roller bearings installed in place, so that the ribs by support.
First, the structural design is reasonable, while with advanced, will have a longer ntn bearing life. Bearing manufacturing generally after forging, heat treatment, turning, grinding and assembly of multi-channel processing. Reasonable process, advanced, stability can also affect the life of the bearing. Of which influence the finished bearing the quality of heat treatment and grinding processes, tend to have a more direct relationship with the cylindrical roller bearing failure. In recent years, the study showed that the affected layer of the bearing surface, the close relationship of the grinding process with the bearing surface quality.
ntn bearing materials meta llurgical quality once the main factors affecting the rolling bearing to early failure. With the advances in metallurgical technologies (such as bearing steel vacuum degassing), to improve the quality of the raw materials. Raw material quality factors in the cylindrical roller bearing failure analysis of the proportion has decreased significantly, but it is still one of the main factors bearing failure. The selection is still bearing failure analysis must consider the factors properly.
Bearing failure analysis of the main tasks is based on a lot of background material, analysis of data, and failure modes to identify the main factors caused ntn bearing failure, so that targeted improvement measures are proposed to extend the tour of duty bearings, avoid cylindrical roller bearings A sudden early failure occurred.
Second may be too large load is too large (preload). Speed ​​is too large. The clearance is too small. The ingress of water or other foreign matter. If the above two conditions are not so is the shaft, the poor precision of the bearing box and the shaft deflection. See here, I think everyone wants to know the solution, First, to study the lubricant and lubrication method, the election of the cylindrical roller bearing lubricant, and its amount, and to rectify ntn bearing selection. Research to meet the bearing clearance and preload, and improve sealing device. Check the shaft and bearing box accuracy.