Effect of Thermal Expansion on the Dynamics of Rolling-element Bearing

Research output: Journal contributionsConference article in journalResearchpeer-review


The influence of heat, developed in process, on the performance of bearings applied in rotational systems is often studied. In the present work, the influence of thermal expansion on the reduction of the radial clearance after assembly and the dynamics of the self-aligning ball bearing are experimentally studied. The course of the temperature change in the interior and exterior of the bearing was measured for several values of the radial clearance (RIC) and different rotational speeds. The results show a correlation between the temperature difference inside and outside the bearing and the clearance. Furthermore, it demonstrates the importance of the precise alignment of the clearance, as it was accepted.

Original languageEnglish
JournalProcedia CIRP
Pages (from-to)151-155
Number of pages5
Publication statusPublished - 22.09.2022
Event15th Conference on Intelligent Computation in Manufacturing Engineering - CIRP-ICME 2021: Innovative and Cognitive Production Technology and Systems - University of Naples Federico II, Naples, Italy
Duration: 14.07.202116.07.2021
Conference number: 15

Bibliographical note

The project/research was financed in the framework of the project Lublin University of Technology – Regional Excellence Initiative, funded by the Polish Ministry of Science and Higher Education (contract no. 030/RID/2018/19).

Publisher Copyright: © 2022 Elsevier B.V.. All rights reserved. Part of special issue: 15th CIRP Conference on Intelligent Computation in Manufacturing Engineering, 14-16 July 2021

    Research areas

  • Diagnostics of rotating elements, Fast Fourier Transform, Internal clearance, Nonlinear dynamics, Rolling-element bearings, Temperature measurements
  • Engineering