ELECTRIC POWER STEERING DEVICE

摘要

PROBLEM TO BE SOLVED: To miniaturize an electric motor by reducing its dimension and its weight in an electric power steering device. SOLUTION: In this electric power steering device 10, one end of an outer ring 35A of a bearing 35 supporting a rotor 32 is held by a first locking member 61, and one end of an inner ring 35B of the bearing 35 is held by only a second locking member 62 engaged with a groove 33A provided in a sleeve 33 integral with the rotor 32.