R911289561 is part of the MHD Synchronous Motors Series by Indramat Motors.
Specs
Product Name: Bosch Rexroth MHD Synchronous Motor Usage: Industrial Peak Current: 83.5 A Maximum Speed: 4500 RPM Output Shaft: Key according to DIN 6885-1 Cooling System: Natural Convection or Surface Cooling Housing: Black Varnished Closed Housing Protection Rating: IP 65 Motor Frame Size: 093 Flange Length: 150 mm Centering Diameter: 130 mm Torque to Inertia Mass Ratio: High Peak Torque: Wide Speed Range Application Cabling: Easy Operational Reliability: High