Radial clearance detection device with mandrel bearing

The utility model provides a radial clearance detection device for a bearing with a mandrel, which belongs to the technical field of bearing detection and comprises a base and support plates oppositely arranged on two sides of the base at intervals, two tips are oppositely and horizontally arranged on the two support plates in a penetrating manner, the two tips are arranged on the same horizontal line at intervals, and tip parts of the tips point to each other. A fixing groove is formed in the upper portion of the center in the axial direction of the center, and a fixing pin penetrates through the supporting plate and is inserted into the fixing groove to fix the center. A measuring instrument is further arranged on the supporting plate. According to the utility model, the bearing with the mandrel is clamped and fixed through the insertion type fixing structure of the double tips and the fixing pin, and the detection is carried out by matching with the position-adjustable measuring instrument, so that the det