Automobile deep groove ball bearings experience severe contact stresses during vehicle maneuvering near the contact with inner and outer races. The accurate prediction of the contact stresses and life estimation of ball bearings has always been challenging, following the complex nature of the contact involved and the resulting rolling contact fatigue (RCF). The present paper performs the finite element (FE) analysis by using a general FE code, abaqus to accurately predict the contact stresses, bearing loads and bearing life in form of ISO 281 (1990) life of an automobile wheel hub ball bearings. Lundberg and Palmgren method is employed for the determination of the bearing life. RomaxDESIGNER, a bearing design software, is also applied to consider the effects of various bearing life adjustment factors, which are used to determine the DIN ISO 281 life. Large amount of bearing failure field data is used to validate the predictions from the study, achieving a very good correlation. Theoretical contact stress calculations based on the Hertz contact theory are also presented for each load case. Finally, an attempt has been made to develop a relation between the contact stress and the bearing life for the hub assembly ball bearings.
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September 2018
Research-Article
Bearing Life Evaluation of Wheel Hub Ball Bearing Based on Finite Element Analysis
Rahul Verma
Rahul Verma
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D. V. Raju
Pravin Dixit
Nitin Rathore
Pala Lakshmikant
Rudra Bubai
Rahul Verma
1Corresponding author.
Contributed by the Tribology Division of ASME for publication in the JOURNAL OF TRIBOLOGY. Manuscript received December 5, 2017; final manuscript received February 22, 2018; published online April 30, 2018. Assoc. Editor: Longqiu Li.
J. Tribol. Sep 2018, 140(5): 051102 (12 pages)
Published Online: April 30, 2018
Article history
Received:
December 5, 2017
Revised:
February 22, 2018
Citation
Raju, D. V., Dixit, P., Rathore, N., Lakshmikant, P., Bubai, R., and Verma, R. (April 30, 2018). "Bearing Life Evaluation of Wheel Hub Ball Bearing Based on Finite Element Analysis." ASME. J. Tribol. September 2018; 140(5): 051102. https://doi.org/10.1115/1.4039526
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