Horace,
they are not just self centering bearings that are a bit stiff are they?
With a self centering bearing when not held in place the outer is free to move in any direction, if they are stiff and have been moved whilst removing that is what they look like when turning by hand, I suspect that is what they are, give one a very good wash dont be alarmed when you have done that if the outer flops from side to side.
Beech.
