When the carrier bearing went out on my '47 3800 some 20 years ago, I took the driveshaft to a truck bearing repair shop. They told me they usually get the whole vehicle to work on. As my truck was immobile they put a replacement carrier bearing on the 2-piece driveshaft. When I got it back under the truck I found the two mounting holes were different. I made it fit and drove it that way for over 20 years.
