Bearing pinion shaft 519 356A T1 + 1500GS w Slot. PET subscription 356A/540.1 Carrera1500GS. This bearing is used for the 519 gearbox with the 3 piece engine. Started somewhere 1955 til mid 1957. And for the 356 Carrera with 1500 GS engine. This bearing has a slot witch prevent the bearing from turning.