Disclosed is a device for measuring the concentricity of a shaft. The disclosed prevention includes a main body part; a support part which is installed on the main body part and supports the shaft to be rotated around the longitudinal axis of the shaft; and a position control part which controls the position of the support part in the longitudinal direction of the shaft. According to the present invention, costs to purchase a measurement device and costs and manpower to manage the measurement device can be reduced by eliminating the need for various kinds of the measurement devices for each size of the shaft.
