Ball Bearing.  Fits: Most Oliver 1755, 1855, 1955, 2255. White 2-85, 2-88, 2-105, 2-110, 2-150, 4-150, 4-175, 4-180. M-M G955, G1355. #72378203. Replaces 70241833, 104047A, 30-3018644, 72161785.
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