ELECTRONIC CONTROL THROTTLE DEVICE

PROBLEM TO BE SOLVED: To provide an electronic control throttle device capable of achieving miniaturization in both of a throttle shaft axial direction and an intake flow direction, and reduction in weight at the same time.SOLUTION: A throttle shaft 2 is disposed through an intake passage 1a of a body 1, and one end thereof is supported by a needle bearing 4, and the other end thereof is supported by a ball bearing 5. The needle bearing 4 and the ball bearing 5 are respectively press fitted into bearing pocket parts 1b and 1c provided in the body 1. The throttle shaft 2 is press fitted into an inner ring 5a of the ball bearing 5, and is inserted into the needle bearing 4.