Friction power loss in ball bearings: Correlation with bearing skidding and cage motion stability
This study introduces a prediction method for bearing friction power loss, focusing on the interplay of bearing skidding and cage motion stability on the tribological properties of ball bearings. The internal friction source is first identified in eight forms according to the interaction analysis am...
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| Format: | Article |
| Language: | English |
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Tsinghua University Press
2025-07-01
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| Series: | Friction |
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| Online Access: | https://www.sciopen.com/article/10.26599/FRICT.2025.9440980 |
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| _version_ | 1839650673728159744 |
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| author | Mingkai Wang Linbo Zhu Kim Tiow Ooi Haizhen Li Ke Yan Jun Hong |
| author_facet | Mingkai Wang Linbo Zhu Kim Tiow Ooi Haizhen Li Ke Yan Jun Hong |
| author_sort | Mingkai Wang |
| collection | DOAJ |
| description | This study introduces a prediction method for bearing friction power loss, focusing on the interplay of bearing skidding and cage motion stability on the tribological properties of ball bearings. The internal friction source is first identified in eight forms according to the interaction analysis among bearing components. Then, the ring flexibility generated by the assembly state of a rotor-bearing system and the cage flexibility caused by the centrifugal effect are considered, and the effects of the spatial displacement of outer ring and contact force on the outer ring deformation are also analyzed. Furthermore, the traction effect of the ball-raceway and the hydrodynamic lubrication of the cage-guiding ring are discussed to establish an improved bearing dynamic model. The validity and reliability of the present method are confirmed through a comparative analysis with experimental data. Finally, the relationships between the dynamic behavior and friction power loss are investigated. The results highlight the critical role of the friction loss of bearing components subjected to lubricant viscosity resistance and the sliding friction loss of the cage-guiding ring in determining the total tribological properties. The dynamic behavior can also be optimized by adjusting the bearing preload and cage structure to effectively weaken the bearing friction power loss. |
| format | Article |
| id | doaj-art-8a63f4f39d7b4b4cb5aa4aaf2756c07b |
| institution | Matheson Library |
| issn | 2223-7690 2223-7704 |
| language | English |
| publishDate | 2025-07-01 |
| publisher | Tsinghua University Press |
| record_format | Article |
| series | Friction |
| spelling | doaj-art-8a63f4f39d7b4b4cb5aa4aaf2756c07b2025-06-27T02:06:00ZengTsinghua University PressFriction2223-76902223-77042025-07-01137944098010.26599/FRICT.2025.9440980Friction power loss in ball bearings: Correlation with bearing skidding and cage motion stabilityMingkai Wang0Linbo Zhu1Kim Tiow Ooi2Haizhen Li3Ke Yan4Jun Hong5Key Laboratory of Education Ministry for Modern Design and Rotor-Bearing System, Xi’an Jiaotong University, Xi’an 710049, ChinaKey Laboratory of Education Ministry for Modern Design and Rotor-Bearing System, Xi’an Jiaotong University, Xi’an 710049, ChinaSchool of Mechanical and Aerospace Engineering, Nanyang Technological University, Singapore 639798, SingaporeKey Laboratory of Education Ministry for Modern Design and Rotor-Bearing System, Xi’an Jiaotong University, Xi’an 710049, ChinaKey Laboratory of Education Ministry for Modern Design and Rotor-Bearing System, Xi’an Jiaotong University, Xi’an 710049, ChinaKey Laboratory of Education Ministry for Modern Design and Rotor-Bearing System, Xi’an Jiaotong University, Xi’an 710049, ChinaThis study introduces a prediction method for bearing friction power loss, focusing on the interplay of bearing skidding and cage motion stability on the tribological properties of ball bearings. The internal friction source is first identified in eight forms according to the interaction analysis among bearing components. Then, the ring flexibility generated by the assembly state of a rotor-bearing system and the cage flexibility caused by the centrifugal effect are considered, and the effects of the spatial displacement of outer ring and contact force on the outer ring deformation are also analyzed. Furthermore, the traction effect of the ball-raceway and the hydrodynamic lubrication of the cage-guiding ring are discussed to establish an improved bearing dynamic model. The validity and reliability of the present method are confirmed through a comparative analysis with experimental data. Finally, the relationships between the dynamic behavior and friction power loss are investigated. The results highlight the critical role of the friction loss of bearing components subjected to lubricant viscosity resistance and the sliding friction loss of the cage-guiding ring in determining the total tribological properties. The dynamic behavior can also be optimized by adjusting the bearing preload and cage structure to effectively weaken the bearing friction power loss.https://www.sciopen.com/article/10.26599/FRICT.2025.9440980ball bearingfriction power lossbearing skiddingcage motion stability |
| spellingShingle | Mingkai Wang Linbo Zhu Kim Tiow Ooi Haizhen Li Ke Yan Jun Hong Friction power loss in ball bearings: Correlation with bearing skidding and cage motion stability Friction ball bearing friction power loss bearing skidding cage motion stability |
| title | Friction power loss in ball bearings: Correlation with bearing skidding and cage motion stability |
| title_full | Friction power loss in ball bearings: Correlation with bearing skidding and cage motion stability |
| title_fullStr | Friction power loss in ball bearings: Correlation with bearing skidding and cage motion stability |
| title_full_unstemmed | Friction power loss in ball bearings: Correlation with bearing skidding and cage motion stability |
| title_short | Friction power loss in ball bearings: Correlation with bearing skidding and cage motion stability |
| title_sort | friction power loss in ball bearings correlation with bearing skidding and cage motion stability |
| topic | ball bearing friction power loss bearing skidding cage motion stability |
| url | https://www.sciopen.com/article/10.26599/FRICT.2025.9440980 |
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