Will 245/70R19.5 fit on a stock F-450 wheel?

[silverado3500]

Will a 245/70R19.5 fit on stock 99-04 F-450 wheel in the back without the duals rubbing? I'm considering purchasing a set of used steel wheels from a F-450. If not what where would be a good place to get a basic 19.5 wheel fairly cheap?

Thanks in Advance