Looked through books I have and cannot find anything to match All center to center #'s top across 6 inches Bottom across 3 3/4 top to bottom 5 3/8 anyone know what this is ?? The pilot bearing is New Departure 7109 AD
I would search for auto makers from Pennsylvania due to the "keystone" shape of the bolt pattern. Bob
That was bad Bob Looks like early Chevrolet maybe '28 (with a couple extra holes)? I will look when I get home this afternoon.