The rear bearings are sealed so the grease that fixed your problem had to of fixed something else. I'd almost prefer any other task up to r & r engine/trans over replacing a rear wheel bearing.
The passenger seat is 15 miles an hour faster than the drivers seat.
74 GTV restored daily driver
the ones that got away:
1959 750 series Giulietta Spider Veloce
1962 Giulietta Spider normale
1965 Giulia Sprint normale