You should be able to source the bearings through Repco / Supercheap or favourite local autoparts store, even online if thats your preference. fairy easy to do inner and outer bearings compared to a front wheel drive car.
there is a post on it as well
https://ozvolvo.org/d/13880-13880
hope that helps, do both at the same time as the other will probably go not long after (murphys law)