Product Description:

The MDD071B-N-040-N2S-095PR2 is a synchronous servo motor built by Bosch Rexroth Indramat and supplied as part of the MDD Synchronous Motors series. Designed for use with digital drive controllers, the motor converts electrical power into controlled mechanical rotation for positioning and speed-control tasks in automated machinery. It is intended for machine axes that require consistent rotary response during repeated motion cycles. Its frame matches size category 071 and uses the standard housing style for common industrial mounting arrangements.

The mechanical interface includes a centering pilot of 95 mm, which aligns the motor face to adjoining machine structures and helps keep radial runout within tolerance. Electrical power and feedback are routed through a connector mounted on the right side, which can simplify cable routing when the motor is installed on vertical axes. At standstill, the stator produces 4.4 Nm of continuous torque, and an integrated blocking brake supplies 6.5 Nm to hold the load during power loss. During operation, the rotor reaches a nominal speed of 4000 rpm, allowing fast positioning cycles when paired with a suitable digital drive. Rotor position is returned through digital servo feedback (DSF) for closed-loop control.

The motor follows size code 071 and length designation B, and it is factory balanced to a standard grade for smooth running across its speed range. A hardened keyway in the main shaft provides positive torque transmission, while an internal shaft seal limits lubricant migration toward the bearing seats. The unit uses a single-ended shaft without a side-B extension, which leaves the rear of the housing free of a secondary output shaft. Its molded stator package fits within the centering pilot and supports the compact housing layout used on this model.