Bearing inner and outer diameter detection mechanism

The utility model discloses a bearing inner and outer diameter detection mechanism, relates to the technical field of bearing inner and outer diameter detection equipment, and solves the problems in the prior art that unqualified products cannot be automatically removed, the labor cost is increased, and inferior-quality products and qualified products are easily disordered. A bearing inner and outer diameter detection mechanism comprises a feeding device, a material pushing device is vertically arranged on one side of the end portion of the feeding device, and a material placing frame is arranged on the other side, corresponding to the material pushing device, of the feeding device; a material conveying device is arranged on one side of the material placing frame and used for conveying the bearings on the material placing frame. An inner diameter detection device and an outer diameter detection device are arranged on the other side of the material placing frame, and an automatic removing device is arranged at