Originally Posted by
Shepp30
Yeah, I have only replaced maybe one of these ever - and I am not sure the non-drive side cup wasn't in a bag separate from the BB. I suppose I could thread it in by hand
backwards and give it a slight tap with a dowel rod from the other side or something. I am pretty sure these aren't pressed fit, bit is definitely snug on there.
The NDS cup may just be sitting a little angled to the shell and thus wedged on. See if you can 'wiggle' it a little to get it aligned. You can use your remover tool to wiggle it.