R911329282 is part of the MSK Synchronous Motors Series by Indramat Motors.
Power Supply: Synchronous Servo Dimensions: 192mm x 501mm x 80mm Encoder Type: Optical with Single-Turn Function Communication Interface: Hiperface Cooling Method: Ambient Air Installation Recommends: Avoid Electromagnetic Radiation Interference Physical Weight: 53.5 kg Mounting Details: 4 x 14mm holes in the aluminum flange