Outer bearing for PTO output shaft. 45mm ID, 75mm OD, 16mm width. Fits: Massey TO30, MF35, MH50, MF50, MF65, MF135, MF150, MF165, MF175 (late model), MF235. For models with dry brakes. Tractors: MF255, MF265 (prior to s/n 9A349239), MF275 (to s/n 9A349239). For models using snap rings on bearing. Tractors: MF180, MF230. Industrials: 30, 31, 40 (with dry brakes), 202, 203, 302, 2135, 3165, 20 (with snap ring & bearing).