Bearing radial clearance detection device

The utility model provides a bearing radial clearance detection device, which belongs to the technical field of bearing detection and comprises a bottom plate, a first vertical plate, a second vertical plate and a measuring instrument. The second vertical plate is slidably close to or away from the first vertical plate, the first vertical plate and the second vertical plate are attached to form a structure capable of vertically clamping a to-be-tested bearing, a horizontal through hole is formed in the center of the structure, a mandrel penetrates through the to-be-tested bearing and the horizontal through hole, and the two ends of the mandrel penetrate out of the first vertical plate and the second vertical plate respectively. One end of the mandrel is used for measuring, and the other end is used for loading. According to the utility model, the vertical mounting groove is used for clamping and fixing the large-scale deep groove ball bearing, the load is applied to the mandrel penetrating through the inner h