"Influence of the cage on the migration and distribution of lubricating" by He LIANG, Yu ZHANG et al.

Article Title

Influence of the cage on the migration and distribution of lubricating oil inside a ball bearing

Authors

He LIANG, School of Mechanical Engineering, Beijing Institute of Technology, Beijing 100081, China
Yu ZHANG, School of Mechanical Engineering, Beijing Institute of Technology, Beijing 100081, China
Wenzhong WANG, School of Mechanical Engineering, Beijing Institute of Technology, Beijing 100081, China

Keywords

ball bearings, oil distribution, lubrication, cage

Abstract

The migration and distribution of lubricant oil in a rolling bearing strongly affect the elastohydrodynamic lubrication performance between the balls and rings. However, oil re-lubrication is highly dependent on the bearing design, which is different from the ball-on-disc model. This study directly observed the distribution of the lubricant film in a custom-made model-bearing rig, with an outer ring replaced by a glass ring to allow full optical access. The influence of the cage type and surface properties were presented. The physical origin of the re-lubrication mechanism, including capillary flow and mechanical redistribution, was discussed.

Recommended Citation

LIANG, He; ZHANG, Yu; and WANG, Wenzhong (2022) "Influence of the cage on the migration and distribution of lubricating oil inside a ball bearing," Friction: Vol. 10: Iss. 7, Article 4.
DOI: https://doi.org/10.1007/s40544-021-0510-8
Available at: https://dc.tsinghuajournals.com/friction/vol10/iss7/4

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