The front prop drive hub will slide off and there is a Woodruff key that drives the hub that you don't want to loose. The crank will slide out

The bearing - you heat up the case with a Monokote gun and shake the rear bearing out by slamming the case against a board while hot

The front bearing you must stick a dowel up through the case from the rear and against the front bearing. Holding the hot case, slam the dowel against the board to knock out the front bearing