R911331268 is part of the MSK Synchronous Motors Series by Indramat Motors.
Specs
Frame Size: 075 Frame Length: D Maximum Torque: 64.0 Nm Maximum Rotational Speed: 6000 RPM Moment of Inertia of Rotor: 0.00490 kgm2 Cooling Method: Natural Convection Ingress Protection Rating: IP 65 Recommended Ambient Temperature: 0 – 40 degrees C.