Product Description:

The MDD090A-N-020-N2L-110GR1 synchronous servo motor is produced by Bosch Rexroth Indramat as part of the MDD Synchronous Motors series. Intended for integration with digital drive controllers, this unit supplies regulated torque and speed to automated axes, enabling repetitive positioning, interpolation, or spindle tasks. Its housing follows the standard MDD mechanical envelope, and an integrated blocking brake secures the load during power-off conditions for vertical or safety-related orientations in industrial machines. The motor length code A indicates the shortest stack in this frame, which supports compact installations.

At standstill, the rotor can deliver a continuous torque of 3.7 Nm, ensuring stable force output for presses, indexers, or axes that must hold position under load. During normal operation, it reaches a nominal mechanical speed of 2000 rpm, a value matched to drives that run medium-inertia tools or transfer belts without excessive gearing. The electromagnetic holding brake supplies 6.5 Nm of static torque, allowing the axis to remain locked when the controller is disabled or the supply is removed. Accurate commutation and real-time position feedback are achieved through integrated digital servo feedback, which supports high-resolution encoder data exchange with the drive. For precise mounting, the front flange presents a centering recess of 110 mm, enabling concentric alignment with gearboxes or machine frames while minimizing radial runout.

The frame uses size code 090, which gives it an outer diameter compatible with other motors in the same family while keeping inertia moderate. Power and feedback conductors exit on the right side, which can simplify cable routing when the motor is paired with right-hand cabinets or cable tracks. Motion is transferred through a plain shaft, so couplings or pulleys can seat directly without keys. Internal grease channels are protected by a dedicated shaft seal, which helps limit the ingress of dust and coolant and supports bearing life.