Thanks everyone. I'm not sure what I'm going to do with this deck yet.
Steve, it has the same wheels like my 3000 series mower similar to these but it looks like the ones on Ebay have roller bearings in them.
http://www.ebay.com/itm/6x3-6-1-4-x-...gAAOSw7FRWXcmP
I now use these sealed bearings because they last forever and require no grease.
https://www.amazon.com/Bearing-Pack-...flange+bearing