Engineer: "I want a light press fit into aluminum for this bearing... I'll just put the size of the bearing on the drawing and a reverse double negative tolerance. Smort." : r/Machinists
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Tolerances and resultant fits | SKF
Find the Right Bearing Tolerance for Mating Parts - GMN Bearing USA
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Bearing Shaft and Housing Installation Tolerances
Find the Right Bearing Tolerance for Mating Parts - GMN Bearing USA