hi TrevorC
are your wheel bearings bad? i was under the impression these old front wheel bearings would outlive us all, no need to change them unless they are bad, just clean and re-grease and tighten to spec.
but anyway i'll go research it, i know i found reasonable replacements for the 1950 1Ton fronts, about $11 for the inner, and the outer is a bit pricier at $40 it has fewer modern interchanges
i'll let you know what i find for your truck
-s