R911389951 is part of the MSK Synchronous Motors Series by Indramat Motors.
Specs
Type: Synchronous Servo Motors Ingress Protection Rating: IP 65 System Accuracy: ±20 Angular Seconds Data Storage: Motor Type Name and Control Loop Parameters Cooling: Natural Convection Maximum Speed: 3,400 Revolutions Per Minute Maximum Torque: 160.0Nm Shaft: Plain Output Shaft With A Shaft Sealing Ring