Abstract

The radial runout of outer ringin cylindrical roller bearing is investigated by numerical computation. Considering form error of outer raceway, a forecasting model for the radial runout of outer ring in cylindrical roller bearing is developed to study the influences of roundness error (i.e., amplitude, order) of outer raceway, number of rollers and radial clearance on the radial runout of outer ring. To testify the presented forecasting method, an analysis algorithm for computing the radial runout of outer ring with outer raceway shape of ellipse is derived. The comparison of the prediction results with the analytical results shows that the presented forecasting method has the better forecast precision.

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