Uh yeah, I agree with 4G. If this is a trans insertion issue, it's not the TOB but the pilot bearing (like pork, it's "the other" white meat, err I mean...... bearing).
And apologies about the picture thing. I am quite sure that he's posted a nice TOB (but not a pilot bearing) picture before (I thought it was a nice reference and it stuck in my mind). But either: he took it down, it went away in the crash, or I took two blue and one red pill when I should have taken two red and one blue pill.
You can spin the input shaft just a hair and it might help you seat the trans.
Good luck.