Product Description:

The MDD090B-N-020-N2M-110PA0 is a synchronous servo motor manufactured by Bosch Rexroth Indramat and part of the MDD Synchronous Motors series. Classified as a motor for digital drive controllers, it is installed on production lines to deliver closed-loop rotary motion to indexing tables, conveyor rollers, or machine-tool spindles. Its mechanical outline, electrical interface, and feedback elements are intended to integrate directly with Rexroth drive modules used throughout general-purpose automation cells.

Under steady load, the rotor delivers 7.2 Nm of continuous torque while staying within thermal limits. When commanded by the drive, the shaft reaches a nominal speed of 2000 rpm, balancing dynamic response and service life. Mounting accuracy is ensured by a centering seat diameter of 110 mm. The rotor is balanced to the standard quality grade, so vibration transmitted to adjacent mechanics stays low. Power and feedback lines exit on side A through a single connector, simplifying cable routing. Feedback is provided through digital servo feedback (DSF), letting the controller track position and velocity without extra transducers. Motor size 090 and length code B set the stator height for this rating, and the standard housing uses convection cooling without external fans.

For absolute position reporting, the motor contains an integrated multiturn absolute encoder that retains angle data across power cycles, eliminating homing moves after shutdowns. A keyway shaft transmits torque to pulleys or couplings, and the front bearing region is protected by a factory-installed shaft seal that limits dust and coolant ingress. Because the unit is supplied without a blocking brake, any static holding requirement must be met by the drive's torque or an external clamp. The shaft end follows the standard pattern with no rear extension on side B, preserving clearance for cable bends and auxiliary equipment.