Press the shaft in until it stops. Make sure your using fresh clean oil as lube for both sides of the bearings, the I.D. and O.D.

The shaft has a "lip" machined on the end of it for the bearing behind the seal, that's what stops the shaft in the right spot.

Your going to want to install the large bearing (outer bearing) first, holding that bearing in place, and pressing the shaft loaded with the new bearing on it, on through the other side until it stops. Done.

~F~