1-5/8" Spool, For 1-1/8" Square Axle, Square Hole, Machined Bearing Surface, For Case IH Disc Models With 7-1/2" Spacing, Fits Models 37, 46, 48, 60, 61, 76, 120, 122, 130, 132, 150, 330, 350, 370, 470, 480, 610, AND 760, Replaces OEM# 472592R3