they make a bearing puller kit (three sizes) that inserts in and then allows you to pull it out (draw out actually)using a couple of wrenches , K-D Tools 41710 - Rear Axle Bearing Puller Kit
if your pullling them for c-clips elims i usually just use a 6ft length of 1/2" pipe and with just the weight of pipe sliding it in drive the bearings out from the back side