To provide a bearing support part of a vertical shaft rotary electric machine capable of preventing a rise in temperature of a guide bearing or increase in vibration of a rotation axis by means of change in a guide bearing gap resulting from deformation in a base caused by seasonal change, a control device for the bearing support part, and the vertical shaft rotary electric machine having the bearing support part and the control device.

A bearing device 100 of a vertical shaft rotary electric machine comprises: a guide bearing 41 for supporting a rotation axis 2 of the vertical shaft rotary electric machine in the radial direction from an annular base 3 through a bracket 4; and a spacer 6 having temperature adjustment means between the base 3 and the bracket 4.