R911338739 is part of the MSK Synchronous Motors Series by Indramat Motors.
Specs
Type: Digital Servo Motor Rated Holding Brake: 70 Nm Combined Weight with Brake: 48.9 kg Brake Operation: Electrical Release Principle Brake Signal: 24 Volts DC Protection Class: IP65 Thermal Class: 155 (EN 60034-1) Installation Method: Flange Mounting Motor Flange Size: 165 mm Motor Length: 359 mm Centering Diameter: 180 mm Shaft Feature: Keyway and Shaft Seal Shaft Diameter: 38 mm Power Supply Location: Side A of Motor Housing Encoder: Multiturn (2048 signal periods) Housing: Increased Concentricity and Run-out Supported Cooling Methods: Natural Convection and Surface Cooling Thermal Time Constant: 90 Minutes Maximum Speed: 4500 RPM Sound Pressure Level: 75 dB or less