Hope you have the steps memorized, cause you will be doing it again WD-40 is a very poor OIL, does other things well though I ve just soaked the bearings in Mobil 1 overnight. The bearings are called oilite bearings they are designed to soak oil into them.
If all else fails http://www.ebay.com/itm/Telco-232651-Blower-Motor-12DC-Heat-Pump-Furnace-Suburban-RV-Camper-Fan-Heater-/300951260591?pt=Motors_RV_Trailer_Camper_Parts_Accessories&hash=item461217cdaf&vxp=mtr