Oil Seal- 51.90 x 74.67 x 8.43mm Models 5000, 5110, 5600, 5610, 5640, 5640, 6410, 6600, 6610, 6640, 6640, 6700, 6710, 6810, 7000, 7600, 7610, 7700, 7710, 7740, 7740, 7810, 7840, 7840, 7910, 8210, TS100, TS110, TS115, TS90