An electric turbomachine comprising: a housing; a rotary shaft rotationally supported in the housing by a rolling bearing (31, 32); an impeller connected to one side of the rotary shaft in an axial direction; and an electric motor that is accommodated in the housing and rotates the rotary shaft, wherein the rolling bearing (31, 32) includes an inner race (31a, 32a) fixed to the rotary shaft, an outer race (31b, 32b) arranged outward from the inner race (31a, 32a), and a rolling element (31c, 32c) arranged between the inner race (31a, 32a) and the outer race (31b, 32b), the housing includes an oil supply unit supplied with lubricant, the electric turbomachine being characterized in that a tubular oil supply member (51, 52) is attached to the oil supply unit and the housing, the oil supply member (51, 52) includes a supply passage (51b, 52b) that extends inside the oil supply member (51, 52) in an axial direction of the oil supply member (51, 52) in communication with the oil supply unit at a first end of the oil supply member (51, 52), and an ejection hole (51c, 52c) configured to be in communication with the supply passage (51b, 52b) and eject the lubricant toward a portion between the inner race (31a, 32a) and the outer race (31b, 32b) of the rolling bearing (31, 32), wherein a flow passage cross-sectional area of the ejection hole (51c, 52c) is smaller than a flow passage cross-sectional area of the supply passage (51b, 52b). a housing; a rotary shaft rotationally supported in the housing by a rolling bearing (31, 32); an impeller connected to one side of the rotary shaft in an axial direction; and an electric motor that is accommodated in the housing and rotates the rotary shaft, wherein the rolling bearing (31, 32) includes an inner race (31a, 32a) fixed to the rotary shaft, an outer race (31b, 32b) arranged outward from the inner race (31a, 32a), and a rolling element (31c, 32c) arranged between the inner race (31a, 32a) and the outer race (31b, 32b), the housing includes an oil supply unit supplied with lubricant, the electric turbomachine being characterized in that a tubular oil supply member (51, 52) is attached to the oil supply unit and the housing, the oil supply member (51, 52) includes a supply passage (51b, 52b) that extends inside the oil supply member (51, 52) in an axial direction of the oil supply member (51, 52) in communication with the oil supply unit at a first end of the oil supply member (51, 52), and an ejection hole (51c, 52c) configured to be in communication with the supply passage (51b, 52b) and eject the lubricant toward a portion between the inner race (31a, 32a) and the outer race (31b, 32b) of the rolling bearing (31, 32), wherein a flow passage cross-sectional area of the ejection hole (51c, 52c) is smaller than a flow passage cross-sectional area of the supply passage (51b, 52b). a supply passage (51b, 52b) that extends inside the oil supply member (51, 52) in an axial direction of the oil supply member (51, 52) in communication with the oil supply unit at a first end of the oil supply member (51, 52), and an ejection hole (51c, 52c) configured to be in communication with the supply passage (51b, 52b) and eject the lubricant toward a portion between the inner race (31a, 32a) and the outer race (31b, 32b) of the rolling bearing (31, 32), wherein a flow passage cross-sectional area of the ejection hole (51c, 52c) is smaller than a flow passage cross-sectional area of the supply passage (51b, 52b).