Abstract
One of the many factors influencing the frictional moment in the bearings are construction parameters. These parameters include curvature ratio (the ratio of the radius of the track to the diameter of the ball) and the accuracy of the track shape. Although these factors influence the frictional moment, they are not included in the model used to determine the theoretical frictional moment. In this article, an analysis was carried out to determine the quantitative impact of the curvature ratio at the frictional moment in ball bearings. In order to determine the quantitative effects of this parameter, a linear regression analysis was carried out on five groups of bearings and under five measuring parameters (the rotational speed, the radial and axial load and curvature ratio of the inner and outer ring).
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