Joe, it's pretty expensive to just buy all the necessary bearings and sleeves. I was going to do that too but I'm glad I didn't. Take your saw apart first and inspect the bearings/sleeves. I'll bet you won't find too many bad ones if any at all. I found none. But, I think the most important thing I did was get some good synthetic grease into all the bearings and anyplace that it might be beneficial. Also, tightening all the bearings and making sure that the main con rod bearing is tight is important. Unless your saw has seen a lot of use and never been serviced, I'll bet you won't find much wrong that can't be fixed by just going through it and doing what I suggested. If you were to decide to buy all the pieces you mentioned, you'd be looking at around $200. Now, if you have a fat wallet, well, go for it.
Ray