Power Take-Off Bearing. Fits: Oliver 1550, 1555, 1600, 1650, 1655, 1750, 1755, 1850, 1855, 1950, 1950-T, 1955, 2050, 2150, 2255. White 2-70, 2-85, 2-88, 2-105, 2-110, 2-135, 2-150, 2-155, 100, 120, 140, 4-150, 4-175, 4-180. American 60 & 80 Series.  #W158363A. Replaces 158363A, K3787, 72161731.