Characteristics Analysis of Angular Contact Ball Bearing Based on the Oil Film Stiffness1

Zhifeng Liu; Hao Zhou; Yong Sheng Zhao

doi:10.4028/www.scientific.net/KEM.480-481.599

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 480-481Characteristics Analysis of Angular Contact Ball...

Characteristics Analysis of Angular Contact Ball Bearing Based on the Oil Film Stiffness¹

Abstract:

The bearing stiffness model is established based on the Hertz contact theory and the hydrodynamic lubrication theory of rolling bearing in this paper, the dynamic characteristics of the angular contact ball bearing and the relationship between the bearing preload, the speed and the stiffness of the angular contact ball bearing is analyzed, as well as the influence of the oil film stiffness on the bearing total stiffness. The results from taking 71924ACD/P4A bearing as an example shows that the preload and the speed have important effect on the stiffness of bearing. By the contrast of two kinds of situations, a conclusion can be drawn that when considering the oil film stiffness,the total stiffness reduces 0-40% than not considering the oil film stiffness.

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Periodical:

Key Engineering Materials (Volumes 480-481)

Pages:

599-604

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.480-481.599

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Online since:

June 2011

Authors:

Zhifeng Liu, Hao Zhou, Yong Sheng Zhao

Keywords:

Angular Contact Ball Bearing, Contact Stiffness, Oil Film Stiffness, Preload

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References

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