Motor and electric power steering system

摘要

A motor (52) includes a cylindrical motor case (1) having a bottom, in a bracket (2) which supports a press-fitted output shaft (7) side bearing (8) and closes an opening of the motor case (1). The motor (52) further includes a ring member (27) that is press-fitted to the bracket (2) and is brought into abutment with the output shaft (7) side bearing (8).