Product Description:

Bosch Rexroth Indramat's MDD071C-N-040-N2S-095GR0 belongs to the MDD Synchronous Motors series and is intended for use with digital drive controllers in multi-axis industrial machinery. By translating commanded current into regulated mechanical output, the motor supports precise positioning and speed control in packaging lines, handling robots, and light machining centers. In closed-loop systems, this allows accurate response to setpoint changes while maintaining stable motion across varying operating speeds. It uses frame size 071 and length code C, giving a compact rotor-stator stack for installations with limited space.

The motor’s centering pilot is 95 mm, guiding the housing into alignment on reference surfaces and helping limit radial runout. That mounting fit also supports repeatable alignment when the motor is attached to machine plates or gear housings. Power and feedback conductors terminate through a sealed connector that faces right, which can simplify cable routing along linear tracks or articulated arm segments. At standstill, it can deliver 6.6 Nm of continuous torque, and under rated excitation it reaches a synchronous speed of 4000 rpm for fast indexing without gearbox multiplication. A plain shaft carries couplings directly, and the front bearing region is protected by a shaft seal that helps block coolant splash and airborne contaminants from entering the interior.

Signal resolution is provided through digital servo feedback, enabling the drive to close current, velocity, and position loops with fine granularity. That feedback arrangement lets the controller monitor rotor position directly during speed changes and short indexing moves. The rotor is balanced in the standard grade, and the housing uses the standard aluminum design, so no external cooling fins or liquid jackets are required. The motor operates without a blocking brake, so external holding torque is required if the axis must remain stationary during power loss. The single-ended shaft without a side-B extension helps keep the overall length compact and reduces overhung mass at the coupling end.