I don't know what the bolt pattern is on the "6 lug" 6x5, 6x5.5, 6x6.5 etc. So I can't help much.
But, if you try searching a site like
www.rockauto.com you can compare vehicles by wheel bearings, and may be able to locate a replacement that way?
1977 Camaro
Front Outer SKF Part # BR2
Cup radius=.0500"; Width=.610"; Standout=.1350"; Outside diameter=1.7810"; Inside diameter=.7500"; Cup length=.4750"; Cone radius=.0500"; Cone length=.6550IN
Front Inner SKF Part # BR6
Cup length=.4650"; Width=.625"; Standout=.1600"; Outside diameter=2.3280"; Inside diameter=1.2500"; Cup radius=.0500"; Cone length=.6600IN