If .030" is going to cause "premature bearing wear" I'd hate to see what out of round tires might do to a carrier.
Also, you didn't check the axle in V Blocks. That's the only accurate way to do it. Why be so worried about .030" , but then not check it accurately? Your carrier bearings, even if brand new, could allow that much movement.
Edit: for the record, I wouldn't want a bent axle either, I sympathize for you in that regard. But if I buy a used part that passes visual inspection, that's all I expect of a seller. (Example: crankshaft looks, sounds good, but ends up out of true)