R911281456 is part of the MHD Synchronous Motors Series by Indramat Motors.
Type: Brushless Motor Torque to Weight Ratio: High Material: High Metal Content Output Shaft Type: Plain with Sealing Ring and Shaft Key Bearings: Grease-lubricated Ball Bearings Length: 365mm Thickness: 140mm Weight: 19kg Nominal Speed: 4000RPM Peak Speed: 6000RPM Pole Pairs: 4 Winding Inductivity: 3.2mH Cooling Type: Natural Convection or Liquid Cooling Minimum Power Cable Cross-section: 0.75mA Maximum Cable Length: 75mm Presence of Permanent Magnets: Yes