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The research of influence of operation temperature on the thermal expansion   and main parameters of radial ball bearings is presented in this paper. The   main bearing parameters are identified in accordance with the increasing   requests concerning stability and load capacity. A series of Finite Element   Analyses is performed for quasi-static analysis of all identified bearing   parameters during contact period in referent temperature. Then, the   dependence of bearing material characteristics on the operation temperature   is discussed. Few series of Finite Element Analyses are performed for a   particular radial ball bearing type, with characteristics in accordance with   manufacturer specifications, for several operation temperatures. These two   problems analyses include consideration of relation between the initial   radial clearance, thermal expansion strains and contact deformations of the   parts of the bearing assembly. The results for radial ball bearing parameters   are monitored during a ball contact period for different temperatures and the   appropriate discussion and conclusions are given. The conclusions about the   contribution of developed procedure in defining the optimum operation   temperature range are shown. [Projekat Ministarstva nauke Republike Srbije,   br. TR 35029 i br. OI 174001

Effects of operation temperature on thermal expansion and main parameters of radial ball bearings