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Journal Articles Tribology International Year : 2020

Roller bearing under high loaded oscillations: Life evolution and accommodation mechanisms

Abstract

High loaded oscillating bearings are used on several industrial fields such as robotics, wind power, aeronautics and aerospace. These bearings are subjected to extremely high local contact pressures and relatively low oscillatory speed. In this work, endurance tests on commercial single row spherical roller bearings enable to propose a degradation scenario for the bearing lifecycle. Topographical analyses carried out at each phase of the bearing life allowed to understand the degradation evolution at the interface between the inner-ring raceway and rolling elements. The analysis of the experimental results, with the support of numerical stress analysis, led to the understanding of the involved accommodation mechanisms. Then, a comparison with the wear processes in deep-groove ball bearings is provided.
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Dates and versions

hal-03660610 , version 1 (21-11-2023)

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F. Cavacece, Lucas Frache, Davide Tonazzi, Nathalie Bouscharain, David Philippon, et al.. Roller bearing under high loaded oscillations: Life evolution and accommodation mechanisms. Tribology International, 2020, 147, pp.106278. ⟨10.1016/j.triboint.2020.106278⟩. ⟨hal-03660610⟩
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