MKD112B-073-KG1-BN Bosch Rexroth Indramat
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MPN: R911268915
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The Bosch Rexroth Indramat MKD112B-073-KG1-BN is a synchronous servo motor from the MKD Synchronous Motors series. It features a continuous torque at standstill of 28 Nm and comes with resolver feedback and an integrated encoder for absolute position detection. The motor includes a holding brake with a torque of 22 Nm, an IP65 protection category, and an F class insulation.
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Product Description:
The MKD112B-073-KG1-BN is a servo motor produced by Bosch Rexroth Indramat within the MKD Synchronous Motors series. It is designed to convert electrical energy into controlled mechanical motion for axes in industrial automation cells and CNC stations. Integrated feedback and a sealed housing allow the motor to pair directly with digital drives in washdown or dust-laden manufacturing environments. The motor is suited for servo-controlled applications that require stable torque response during acceleration, positioning, and holding.
Its centering pilot measures 130 mm, while the mounting flange spans 192 mm. These dimensions fit common machine and gearbox interfaces. At standstill, the rotor can deliver 28.0 Nm of continuous torque, and a spring-applied brake adds 22 Nm of static holding torque during power-off periods. Protection reaches IP65, so airborne dust and low-pressure water jets cannot enter the housing. Motion and commutation data are generated by a built-in resolver feedback device, allowing the connected drive to close position and speed loops without an external encoder. The motor uses size 112 with length code B, giving it a compact body for its output range. A shaft seal helps block coolant or oil from entering along the journal, and class F insulation supports elevated winding temperatures during short overload periods.
The rotary output uses a plain shaft, simplifying coupling to keyed hubs or shrink-fit adapters and avoiding feather-key imbalance. When paired with the associated drive electronics, the feedback chain supports a positioning accuracy of ±8 angular minutes, which is suitable for indexing tables and medium-resolution pick-and-place axes. Thermal ratings are based on operation between 0–40 °C, so additional airflow or external cooling may be needed if the motor is installed in an enclosure with higher ambient heat. This operating range should be considered when the motor is placed near other heat-generating equipment inside compact machine cabinets.
Frequently Asked Questions about MKD112B-073-KG1-BN:
Q: What type of shaft and sealing does the MKD112B-073-KG1-BN servo motor use?
A: The MKD112B-073-KG1-BN servo motor features a plain shaft design with a shaft seal for leak resistance.
Q: What feedback and position detection system is used in the MKD112B-073-KG1-BN?
A: This model uses resolver feedback with an integrated encoder, supporting absolute position detection for over 4096 revolutions.
Q: What is the continuous standstill torque of the MKD112B-073-KG1-BN?
A: The continuous torque at standstill for this servo motor is rated at 28.0 Nm.
Q: Does the MKD112B-073-KG1-BN have a holding brake, and what is its torque?
A: This motor is equipped with a holding brake that provides a holding torque of 22 Nm.
Q: What is the protection rating of the MKD112B-073-KG1-BN servo motor?
A: The protection category for this model is IP65, offering high resistance to dust and water.
