Yep, but apart the expense, it may be possible nowadays to find bearings that are of a lower quality (chinese production especially), even if new, compared to older ones...
Other question : a friend of mine warned me about the fact that bending the arms would modifiy what we call "l'épure de Jeantaud" from a french coachbuilder of the 19th century, modifying the geo values when turning... I'm surprised no one has evocated that ...
Can it be considered as neglectable ? 1 cm for a 15 cm long arm represents about 3,8°, so it doesn't look that much, but...