JayJay, you`ve got a pm.
And you`re right, there is a worn space on the right axle (left one is good), probabely just where the lip from the seal touches the axle. I have to measure it out tomorrow. First thought was " put a little JDWeld over and grind it down. But the better idea is probabely to make a little shim and put it in front of the seal before it will pressed in. Then the lip would seal (if you lokk from the trans-housing) before the worn part of the axle. I still wonder, if the seat of the seal in the axle housing is large enough, just to let the old seal inside and press the new one in the axle housing.
Then I would got a double sealed axle.
sela lip toward housing like in my picture, right?