The invention belongs to the technical field of bearing tests, in particular to a large bearing testing machine. The large bearing test machine is characterized by consisting of a test unit, a loadingunit, a drive unit, a control unit, a hydraulic power unit and a workbench. The loading unit, the drive unit and the control unit are arranged on the workbench, the test unit is arranged on the loading unit, the hydraulic power unit is arranged behind the workbench and connected with the loading unit, the control unit is matched with the test unit, the loading unit, the drive unit, and the hydraulic power unit respectively. The test unit is used for receiving a large bearing for test, the loading unit applies radial load, axial load and capsizing moment to the test bearing, the drive unit drives the test bearing to rotate at a specified rotation speed and torque, and the control unit controls electrical operation and protection, monitors test operation, analyzes test procedures and results, and give feedbacks at proper time.