Haynes list journal sizes as:

Mains - 57.980 to 58.000 mm

BE - 46.890 to 46.910 mm

Endfloat - 0.090 to 0.260 mm

Ford TIS list dimensions which are totally strange.
They don't recognise, or supply, undersize bearings, so advice on that would have to come from the shell manufacturer/supplier.

Martin