Alternator Housing

Alternator Housing. THE HOUSING IS USUALLY MADE UP OF TWO PIECES OF DIE-CAST
ALUMINUM. ALUMINUM IS USED BECAUSE IT IS A NONMAGNETIC, LIGHTWEIGHT
MATERIAL THAT PROVIDES GOOD HEAT DISSIPATION. BEARINGS SUPPORTING THE ROTOR
ASSEMBLY ARE MOUNTED IN THE FRONT AND REAR HOUSING. THE FRONT BEARING IS
USUALLY PRESSED INTO THE FRONT HOUSING OR ONTO THE ROTOR SHAFT. IT IS USUALLY A
FACTORY-LUBRICATED BALL BEARING. THE REAR BEARING IS USUALLY INSTALLED WITH A
LIGHT PRESS FIT IN THE REAR HOUSING.