MDD112B-N-020-N2L-180GB0 Bosch Rexroth Indramat
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MPN: R911285122
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The Bosch Rexroth Indramat MDD112B-N-020-N2L-180GB0 is a motor from the MDD Synchronous Motors series with a nominal speed of 2000 min⁻¹ and a continuous torque at standstill of 17.5 Nm. This motor is designed for digital drive controllers, features a centering diameter of 180 mm, and uses digital servo feedback. It comes standard with a connector connection on Side B and a shaft seal.
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Product Description:
The MDD112B-N-020-N2L-180GB0 is a rotary synchronous motor produced by Bosch Rexroth Indramat for the MDD Synchronous Motors series. Designed for use with digital drive controllers, it converts controlled three-phase power into repeatable mechanical motion. This supports automation tasks such as positioning tables, material-handling arms, and printing lines that require accurate speed and torque regulation. Its synchronous motor design allows stable response during repeated starts, stops, and commanded speed changes. The unit is suited for closed-loop axis applications where motion consistency is important.
The motor uses a size-112 frame with length code B and standard balancing. The centering pilot is 180 mm, allowing direct seating in correspondingly machined mounting faces. Power and feedback connectors are oriented toward side B, and the electrical interface uses a single connector to simplify cabinet wiring. At standstill, the electromagnetic system sustains 17.5 Nm of continuous torque, giving stable holding force for indexing tables. The rotor reaches a rated speed of 2000 rpm when paired with a compatible inverter, and speed information is returned through digital servo feedback (DSF) for tight closed-loop control. The shaft end is supplied in the standard form without a secondary shaft on side B. Standard balancing supports smooth rotation in general industrial installations.
The motor is delivered without a blocking brake, so any power-off holding must be provided by external clamps or drive torque. A plain shaft transfers motion to couplings or pulleys while minimizing torsional play, and its smooth geometry eases the installation of friction-fit elements. The output end is equipped with a shaft seal, which helps retain lubrication and limit contaminant ingress at the bearing region. The sealing arrangement also supports cleaner operation around the bearing area in typical industrial environments. Internal design helps keep vibration low throughout the speed range, and the rear-mounted connectors leave the front of the motor unobstructed inside compact machine frames.
Frequently Asked Questions about MDD112B-N-020-N2L-180GB0:
Q: What is the nominal speed of the MDD112B-N-020-N2L-180GB0 motor?
A: This model operates at a nominal speed of 2000 min⁻¹, supporting a wide range of motion applications.
Q: What type of motor feedback does the MDD112B-N-020-N2L-180GB0 use?
A: The MDD112B-N-020-N2L-180GB0 provides digital servo feedback (DSF) for precise position control.
Q: What is the shaft type and sealing configuration for the MDD112B-N-020-N2L-180GB0?
A: A plain shaft with a shaft seal is included to offer secure and protected mechanical connection.
Q: What is the continuous torque at standstill for the MDD112B-N-020-N2L-180GB0 motor?
A: This motor delivers a continuous torque of 17.5 Nm at standstill, making it effective for demanding loads.
Q: Where is the connection located and what type does the MDD112B-N-020-N2L-180GB0 feature?
A: The electrical connection is made via a connector positioned on Side B for convenient wiring.
