Tolerances for total axial run-out

Abutments for bearing rings should have a total axial run-out tolerance as defined in ISO 1101:2012, which is better by at least one IT grade than the diameter tolerance of the associated cylindrical seat. For thrust bearing washer seats, the tolerance for total axial runout should not exceed IT5. Guideline values for the tolerances for total axial run-out are listed in table 1.
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