Displacements and Stiffness – Key to Bearing Design

Displacements and Stiffness – Key to Bearing Design

The distribution of loads on the rolling elements significantly affects the durability of the bearing. The calculation for durability is reduced to determining the operating time of the bearing until the beginning of the spalling of the raceways.

An important parameter characterizing the operation of bearing supports is the accuracy class, which is directly related to the magnitude of shaft displacements. Depending on the bearing type, these displacements can generally have axial, radial, and lateral components.

In order to study the pattern of statistical dispersion of output parameters in the APM Bear module, their calculation is performed for one hundred arbitrary positions of the bearing center.

The results of the load calculation also make it possible to determine a series of energy characteristics that determine the energy consumption and operating temperature of the bearing: efficiency, friction torques, frictional power losses, heat generation, etc.

Discussion

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