Fatigue Life Analysis for Angular Contact Ball Bearing with Angular Misalignment

각 어긋남을 고려한 각접촉 볼베어링의 피로수명 해석

Bae, Gyu-Hyun;Tong, Van-Canh;Hong, Seong-Wook

  • Received : 2015.10.26
  • Accepted : 2015.12.13
  • Published : 2016.01.01


Angular misalignment has a significant effect on the characteristics of angular contact ball bearings (ACBBs). This paper presents an analysis of fatigue life for ACBBs subjected to angular misalignment. A simulation model is developed with de Mul's bearing model and the ISO basic reference rating life model. Simulation is performed to calculate the life of the ACBBs subjected to angular misalignment. The numerical results show that angular misalignment influences the load distribution significantly, thus reducing the bearing rating life. The fatigue life of ACBBs is decreased by angular misalignment regardless of axial preload, external radial load and rotational speed. The results show that angular misalignment should be maintained at less than 1mrad for ACBBs.


Angular contact ball bearing;Angular misalignment;Fatigue life


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