Blower Wheel7-1/8D X 2-1/8W 5/16 For - Part# Gl1270301 [ 7-1/8" Dia ] X [2-1/8W] 5/16" Hole, Flat Back,; Cw Rotation, Smooth Hub, 1 Set Screw.;Garland;Oven G286Rc (Older Style Units That Use Two Wheels; # 26-1927 Inner Wheel;(Also~; Newer Style Units Use A Single Wheel # 26-4052,;10" Dia X 2" X 5/8") Note Bore Size Is Larger..