R911386820 is part of the MSK Synchronous Motors Series by Indramat Motors.
Specs
Product: Bosch Rexroth IndraDyn S MSK Servo Motor Cooling Method: Natural Convection Temperature Sensor: KTY84 Type Position Detection Method: Optical Measuring Method Encoder Interface: Hiperface System Accuracy: ±80 Angular Seconds Maximum Torque: 66.0Nm Maximum Speed: 6,000RPM Pole Pairs: 4 Rotor Moment of Inertia: 0.00255 kgm2 Ingress Protection Rating: IP 65 Output Shaft: Plain Type Shaft-Hub Connection: Non-positive, Zero-backlash.