R911310729 is part of the MHD Synchronous Motors Series by Indramat Motors.
Product Name: Rexroth MHD Synchronous Motors Purpose: Used as servo and main drive motors Design: Permanent magnet motors with electric commutation Materials of Magnets: Rare earth Connections Available: Power connector, Encoder connection Encoder System: Digital servo feedback Pole Pairs: Four Maximum Speed: 4000 rpm Hold Braking System: Yes Maintenance Requirement: Low Overload Capability: High Cooling System: Natural convection Environment Suitability: Adverse Protection Rating: IP 65 Housing Varnish: Prime coat black a/w RAL 9005