Remove the old bearing and seal from the front panel. Leave the 3 plastic plugs
Install the new bearing and seal around the opening flange, with the white portion of the seal to the outside of the front panel flange....see picture here
Make sure the folded edge of the seal is facing away from the front cabinet panel, and the 3 holes in the bearing fit over the 3 plastic clips. Fold seal with white portion of the seal sandwiched between the fold of the seal...see picture here