..., meanwhile, is constructed for the first time to thoroughly characterize the thermal contact transfer of ball-raceway. Hertz contact Oil film heat resistance Point contact heat transfer Ball bearing Natural Science Foundation of China 52265064 Jiangxi Provincial Natural Science...

...Ziyang Jiang; Chang Zhang; Wenjun Ni; ShuangTian Li Purpose This paper aims to study the problem of starvation lubrication of high-speed ball bearings due to temperature rise during operation and to avoid thermal failure of bearing lubrication. Design/methodology/approach Under the quasi...

...Heyun Bao; Xiaonan Hou; Xin Tang; Fengxia Lu Purpose Under-race lubrication can increase the amount of lubricating oil entering a bearing and greatly improve lubrication and cooling effects. The oil-air two-phase flow and heat transfer characteristics inside a ball bearing with under-race...

...Peng Sun; Weifang Chen; Yusu Shen; Dan Wang Purpose As an important part of the rotor system, the damping coefficient of ball bearing has a great influence on the dynamic characteristics of the system. This study aims to propose a theoretical calculation method and an experimental test method...

...Hui Li; Heng Liu; Hao Li; Shemiao Qi; Yi Liu; Fengtao Wang Purpose The purpose of this paper is to investigate the effect of the cage-pocket wear on the dynamic behavior of the ball bearing. Design/methodology/approach Through analyzing the complicated relationship and interactions among...

...Hui Li; Heng Liu; Yi Liu; Shemiao Qi; Fengtao Wang Purpose The purpose of this study is to investigate the dynamic behavior of the ball bearing with cage broken. Design/methodology/approach By analyzing the complicated relationship and interactions among the ball bearing elements, the dynamic...

...Jing Hu; Qiong-Ying Lv; Xin-Ming Zhang; Zeng-Yan Wei; Hai Long Li Purpose This paper aims to present ball bearings with a composite structure based on the bionics principle and shows the comparison between five types of different structures. Design/methodology/approach By means of the finite...

...Vivek Bhardwaj; R.K. Pandey; V.K. Agarwal Purpose The purpose of this paper is to develop an energy-efficient and dynamically improved thrust ball bearing using textured race. A texture has been used on the stationary race of the test bearing to conduct the long-duration experiment for exploring...

...Baogang Wen; Hongjun Ren; Pengfei Dang; Xu Hao; Qingkai Han Purpose The oil film thickness provides a key performance indicator of a ball bearing lubrication condition. This paper aims to propose an approach to calculate and measure the oil film thickness of the bearing. Design/methodology...

...Jing Liu; Zhifeng Shi; Yimin Shao Purpose Combined defects in ball bearings may be caused during the use or manufacturing process, which can significantly affect their vibration characteristics. The previous defect models in the literature can only describe single defects such as the surface...