The dimensional, profile and running accuracies of rolling bearings are specified in ISO standard of ¡°Dimensional accuracy¡± and ¡°Profile accuracy¡± are the items indispensable in installing the rolling bearings on a shaft and in a bearing housing, and allowable bearings run out in running is specified as the running is specified as the running accuracy. Dimensional accuracy means the respective allowable values for bore diameter, outer diameter, width or high (limiting thrust bearing) and chamfering dimension.
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