Here are the part numbers for my '48 1.5 ton Loadmaster
Front Inner 909026
Outer 909025
Seal 379654
I have bought from Napa, Ebay, Jim Carter, and I believe Chevs of the 40's. Its been a couple years now so its not fresh on my mind. I also had to do the rear bearings and seals twice so I don't recall what I bought from where exactly. However I did write down all the part numbers because of the same issues you are describing.
Happy hunting.
