32907X by NTN bearing are an upgraded bearing that costs as little as $42. The specs are: 30mm Bore, 55mm OD, Width 13mm.
http://www.ebatmus.com/search.epl?Query=tapered
32907X NTN BEARING CORP. TAPERED ROLLER BRG 0.2652 LBS EA $47.84
-------------
6006-ZZ
Grizzly pn on webb
pn
8106...