DOP45-258GR Grasshopper Flanged Wheel Bearing fits wheel # 603924, 483803, 483861, our # DOP72-770 & DOP72-771, wheel bearing on decks 9048, 9052, 9061 & 6372, tail wheel bearing on Gemini 700 series. Size: O.D.: 1-3/8", I.D.: 5/8", Width: .487". Replaces # 120050.