I don't know if the guy is still in business, he's located in a small village 1/2 an hour from where I live. He wasn't very old but I know he had to close his shop for a while as he had cancer and he had just reopened it when he made the bushing, I don't see it listed in the phone directory anymore but I do see his name in the phone directory so I could ask him.
When I had him machine the bushing, I had to bring him a few thicker bushings that I had ordered so he'd have a few spares in case he needed some. I also left him the old bushing and he agitate shaft and he spent about a week doing it. I thought he should have made it a bit tighter-fitting. I have used the machine for just a few months after as I needed room for another one I had acquired so I can't tell about the long term durability.
If you could see how loose yours is, if it's much less worn than mine was, maybe you shouldn't bother to find a quick and expensive solution for it. Sometimes, fixing something like it results in more problems and once it's done, a cheaper solution comes up!