I looked up the manual for pwbs14 and it looks like there should be a thumb screw opposite from your photo that would correctly line up the Thursday bearing on center.
Geetings! My PM PWBS 14 recently got way out of alignment and I ended up having to remove blade, remove wheels, put on new tires, take apart the tensioning mechanism, loosen all the blade guides and thrust bearings top and bottom. Then just step by step put the whole thing back together. Runs great now but it was a pain in the but to do.My bandsaws blade is running near the edge of the Thrust bearing & I would like it perhaps in the middle. This is for the top and bottom. Is there a solution? See photoView attachment 81244