1960 Apache C10 Rear Wheel Seals and Bearings

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Good Evening All,

Ive got a 1960 C10 with what I believe to be the stock rear-end.

I was changing the oil last weekend and it appears that the rear wheel seal on the passenger side has blown out ( wheel and tire coated with thick grease, gear oil on brake shoes, and no missing brake fluid)

I am trying to find the correct seals and bearings, but running into difficulties.

The good local parts store told me to pull them out and then they could help me find them and rockauto has a few different options, and I am not sure which ones correct.

Does anybody know (or know how to confirm) which bearings and seals are correct without pulling the rear-end apart, so I can have them on hand before I begin the job.

Thank you!