I did both axle seals and pinion seal about 10K ago...(Last summer) I noticed back then the rear-end seemed tobe alittle noisy.
The CarQuest store by me has a machine shop. The one guys say he dose alot of Dana 35 carrier bearings. He charges $15 per side + bearings.
In the next few weeks I've got to replace my wife water pump on her 98 Ply mini-van 3.0 V-6 (131K)..........Timming belt,serp, belt. I changed her timming belt 3yrs ago at 87K..........I should have done (PMCS) the water pump then
... Live and learn!