Product Description:

The MDD025B-N-100-N2G-040PD0 is a synchronous motor produced by Bosch Rexroth Indramat as a member of the MDD Synchronous Motors series. Supplied in the 025 frame size with the B length code, it is intended for digital drive controllers that command rapid, precise motion in pick-and-place heads, miniature conveyors, or light-duty tool spindles. A standard housing, factory balancing, and a single shaft end let the unit fit directly into equipment layouts that cannot spare space for external vibration dampers or secondary couplings.

The motor develops a continuous standstill torque of 0.60 Nm, giving the axis enough holding force for low-inertia loads while current remains within the controller’s continuous range. Under rated excitation it can reach a nominal speed of 10000 min⁻¹, so fine-pitch positioning tasks can be completed in short cycle times. Power and feedback conductors exit on side B of the stator, an arrangement that keeps cables clear of adjacent modules when the motor is installed nose-in. The electrical hookup uses a connecting cable with a coupling unit, so the motor connects without terminal strips. Rotor position is reported through resolver feedback, which delivers absolute angle information over a wide temperature span and tolerates electrical noise better than incremental encoders.

A centering diameter of 40 mm aligns the flange precisely against the machine faceplate, limiting radial runout at high speed. Power is transmitted through a keyway shaft that accepts standard keyed pulleys or couplings, and a shaft seal helps protect internal components from contamination. The motor is supplied without a blocking brake, so applications that need static holding torque must rely on the drive or on external mechanical locks. Standard balancing keeps residual vibration low across the full speed band, while the absence of a rear shaft end shortens overall length and simplifies guarding.