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Investigation of the influence of the degree of contact of rolling surfaces on contact stresses in ball radial bearings
- Authors: Belousov Y.V.1, Kirilovskiy V.V.1, Rekach F.V.2
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Affiliations:
- Bauman Moscow State Technical University (National Research University)
- Peoples’ Friendship University of Russia (RUDN University)
- Issue: Vol 23, No 3 (2022)
- Pages: 213-223
- Section: Articles
- URL: https://journals.rudn.ru/engineering-researches/article/view/33077
- DOI: https://doi.org/10.22363/2312-8143-2022-23-3-213-223
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Abstract
The study is devoted to the determination of the coefficients of the degree of contact of rolling surfaces, considering the tolerance field of rolling bodies, as well as the influence of the coefficients of the degree of contact on the maximum contact stresses in ball radial bearings. A method has been developed for determining the maximum value of the coefficient of the degree of contact of rolling surfaces of ball radial bearings, taking into account the tolerance field of rolling bodies. It is established that the coefficient of the degree of contact of the rolling surfaces for each bearing size with a certain radius of the raceways is located in a range that depends on the limiting dimensions of the rolling elements. It is shown that the coefficient of the degree of contact of the rolling elements with the tracks of the outer ring, with the same auxiliary value, considering the sum and difference of the curvatures of the rolling surfaces, is greater than the inner one. Therefore, in order to reduce contact stresses on the outer ring of the bearing, the radius of its raceway can be made smaller than the inner one. A method has been developed for calculating the maximum contact stresses on the raceways of radial ball bearings, taking into account the coefficient of the degree of contact of rolling surfaces and the tolerance field of rolling bodies, which allows calculating contact stresses for radial ball bearings of any size at any coefficients of the degree of contact of rolling surfaces.
About the authors
Yuriy V. Belousov
Bauman Moscow State Technical University (National Research University)
Author for correspondence.
Email: belou.80@mail.ru
ORCID iD: 0000-0002-7591-8313
PhD (Technical Sciences), Associate Professor of the Department of Bases of Machine Designing
5 2-ya Baumanskaya St, bldg 1, Moscow, 105005, Russian FederationValeriy V. Kirilovskiy
Bauman Moscow State Technical University (National Research University)
Email: proekt.33@yandex.ru
ORCID iD: 0000-0002-2989-500X
PhD (Technical Sciences), Associate Professor of the Department of Bases of Machine Designing
5 2-ya Baumanskaya St, bldg 1, Moscow, 105005, Russian FederationFedor V. Rekach
Peoples’ Friendship University of Russia (RUDN University)
Email: rekfedor@yandex.ru
ORCID iD: 0000-0002-8584-6755
PhD (Technical Sciences), Associate Professor of the Department of Construction, Academy of Engineering
6 Miklukho-Maklaya St, Moscow, 117198, Russian FederationReferences
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