NTN Bearing service life factors may have a lot from the use of factors and internal factors for further instructions.

Using the factor mainly refers to the installation and adjustment, maintenance, maintenance, repairs, etc. to meet the technical requirements. NTN Bearing installation, use, maintenance, maintenance of the technical requirements that bear on the operation of the bearing load, speed, operating temperature, vibration, noise and lubrication condition monitoring and inspection, abnormal immediately find reasons to be adjusted, to return to normal. Installation conditions is the primary factor in the use of factors, one bearing is often due to the installation of inappropriate stress state changes the entire bearing various parts, bearings operate in the normal state and an early termination of the life of

The internal factors mainly refers to three major factors of the decision bearing the quality of structural design, manufacturing processes and materials quality.

NTN Bearing metallurgical quality of the materials once the impact Rolling early failure of the main factors. Metallurgical technology (such as advances in bearing steel vacuum degassing, etc.), raw material quality is improved. The proportion of raw material quality factors in the analysis of bearing failure has decreased significantly, but it is still one of the main factors bearing failure. The selection of the adequacy of the still bearing failure analysis must take into consideration.

NTN Bearing manufacturing generally multi-channel processing such as forging, heat treatment, turning, grinding and assembly. The rationality of the process, advanced, stability will also affect the bearing life. Which affect the quality of the finished bearing heat treatment and grinding process, and often have a more direct relationship with the bearing failure. In recent years, the grinding process and the quality of the bearing surface is closely related to the bearing surface deterioration layer.

NTN Bearing service life analysis of the main tasks, according to a lot of background material, analysis of data and the form of failure to identify the main factors that cause bearing failure, so that proposed improvements to extend bearing service period, to avoid the bearing occurred suddenly onset of early failure.



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