Well, I stopped at the local bearing place last night. I walked in, told them what the bearings were for and was asked if I wanted the imported ones, or nice ones. After a pretty short discussion, I ended up going all out and getting the very nice sealed Timken bearings. The guy basically assured me that they'd never go bad. So, $120 later, I have 6 new bearings to pound into the mower bearing carriers. This puts the total project cost at right around $160. That includes the pulleys and bolts/washers.
I'll get pics when I start the work which will hopefully happen this weekend. I really want to hook it all up and see if it made any difference. I also want to hook it up @ 24V and see what kind of amperage it pulls since that puts my rpms back in line with what they're supposed to be. That should give me a much more accurate idea of what my amperage would be if I decided to stay at 36V with properly sized pulleys.
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