#1 = 1" grease seal (1x) #2 = Bearing 44643 (2x) #3 = Cup 44610 (2x) #4 = Hub (1x) #5 = 2000lb - 3500lb grease cap (1x) #6 = 1/2"/20 screw-in (4x) #7 = 1/2"-20 cone nut, 13/16" head (4x)