When the drum bearings fail on this machine / possibly others in the same series the bearings are not shown on any part website only the complete rear half tank with bearings prefitted at an expensive price. And so those who just want to change the bearings and oil seal these are the sizes you can buy elsewhere thus saving a load of money. The seperate oil seal is part number dc62-00156a size is 45.5x84x10/12. Bearing sizes are 6307 and 6305 and the part number for the tank seal is dc6901154a.
I might as well tell you that the reason the bearings failed was lack/no oil seal grease what so ever and that is the reason why these bearings failed prematurely. I advise you rebuild using white marine grease and make sure there is a fair amount on the new oil seal lip. The whole replacement job going slow took me 2 hrs.30mins start to finish.