%0 Journal Article %T Automatic discrete failure study of cage free ball bearings based on variable diameter contact %A Zhao, Yanling %A Zhang, Jingwei %A Zhou, Enwen %J Journal of Mechanical Science and Technology %V 35 %N 11 %P 4943-4952 %@ 1738-494X %D 2021-11-01 %I Korean Society of Mechanical Engineers %~ DeepDyve