Usually for 101 series pumps, but also used on some 750 series pumps, so it is advisable to check the bearing outside diameter before ordering. . . A top quality bearing, usually SKF, you only want to fit this once.
 
Part Name: Water Pump Impeller Bearing, 35mm Dia
Alfastop Product Code: 1CS130
Original Alfa Romeo Part No: 101.00.07.224.00
Model: Giulietta 750 & 101
Quantity Per Car: 2