Bearing vibration measuring instrument

The utility model relates to the technical field of bearing detection, in particular to a bearing vibration measuring instrument, which is characterized in that an inner ring of a bearing is fixed through a clamping device, an outer ring of the bearing is driven through a driving device to enable the bearing to rotate, and meanwhile, the bottom end of a roller is downwards pressed at the top end of the bearing through extension of a first hydraulic cylinder; vibration of the bearings is detected through the vibration sensor, then qualified bearings and unqualified bearings are separately placed on the conveying device through the supporting device, and the qualified bearings and the unqualified bearings are separately discharged through the conveying device, so that the labor amount of workers is reduced, and the practicability of equipment is improved; comprising a first hydraulic cylinder, a vibration sensor, a clamping device and a driving device; the device further comprises a supporting device and a conv