Essential Concepts of Bearing Technology

By T. A. Harris, M. Kotzalas. 2006

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A tribo-dynamic model of a spur gear pair (2013, background): “Additionally, both gear wheels are subject to the torsional damping of ctj to account for the viscous losses caused by bearings supporting the shafts [34].”
An improved analytical model for a lubricated roller bearing including a localized defect with different edge shapes (2018, methodology): “According to Hertzian contact theory (Harris and Kotzalas, 2007), the contact stiffness coefficient Krp between the roller and bottom plane can be given by Krp ¼ 4R0:5rh 3 1 2r Er þ 1 2 o Eo ð12Þ where r and o are the Poisson’s ratio of the roller and outer race, respectively; Er and Eo are the…”
An extensive review of vibration modelling of rolling element bearings with localised and extended defects (2015, background): “spalls or pits [3–5, 129–133].”
Nonlinear dynamic modeling of surface defects in rolling element bearing systems (2009, background): “Appendix A For a bearing with a stationary outer race, the defect frequencies are given by the following expressions [23]: The rotational speed of the cage oc 1⁄4 o 2 1 d D cos a (A.”
Further understanding of rolling contact fatigue in rolling element bearings - A review (2019, background): “Rolling bearings are usually manufactured from steels that are hardened to a high degree at least on the surface [1].”