Reply To: O.D. for QD-18 drive shaft

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May 30, 2022 at 5:18 pm #260709
frankr
Participant

    Some of those drive shafts had a band of hard chrome plating in the area where the seal rides to reduce wear and grooving from the seal.  That is a thin band of chrome plating but might account for your observation of suspected increased size or “taper”.