MKD112B-073-KG0-BN Bosch Rexroth Indramat
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MPN: R911268919
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The Bosch Rexroth Indramat MKD112B-073-KG0-BN is a servo motor from the MKD Synchronous Motors series featuring a 28.0 Nm continuous torque at standstill and IP65 protection. It has a flange size of 192 mm, a 130 mm centering diameter, and resolver feedback with integrated encoder supporting absolute position detection of over 4096 revolutions. The motor is built with insulation class F and a plain shaft with a shaft seal.
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Product Description:
The MKD112B-073-KG0-BN belongs to the MKD Synchronous Motors series manufactured by Bosch Rexroth Indramat. It is a servo motor intended for closed-loop positioning and speed control in automated machinery, where fast dynamic response and repeatable motion are required. When paired with a compatible drive controller, it converts commanded current into smooth rotary motion for feed axes, transfer systems, and other servo applications that depend on repeatable cycle behavior. Its compact synchronous layout supports accurate acceleration and stable control during repeated start-stop motion.
This model develops a continuous standstill torque of 28.0 Nm, allowing it to hold or drive loads steadily without overheating. A centering diameter of 130 mm aligns the housing precisely on the machine frame, while the square mounting flange measures 192 mm on each side for installation on machines built around the MKD housing pattern. Rotor position is detected by a resolver feedback unit integrated behind the shaft, so analog sine-cosine signals are available for drives that require high immunity to electrical noise. With a protection rating of IP65, the casing prevents dust ingress and resists low-pressure water jets, and a shaft seal helps block contaminants from entering the bearing chamber. The stator windings use Class F insulation for 155 °C thermal endurance, and the B length code fits the 112 frame size without increasing overall machine depth.
Electrical terminations are routed on the Side B face through an output connector, simplifying cable management when the motor is mounted in tight assemblies. Position feedback supplies absolute values beyond 4096 revolutions, and control accuracy is specified at ±8 angular minutes for indexing tables and gantry axes that require precise repeatability. The drive train connects to a plain shaft, so couplings or pulleys can be press-fitted without keyways. Operation is permitted between 0–40 °C ambient temperature, matching typical factory floor conditions. Because the motor is supplied without a holding brake, external mechanical restraint is required when power is removed. The insulation system is intended to withstand cyclic loading during normal servo duty.
Frequently Asked Questions about MKD112B-073-KG0-BN:
Q: What type of encoder does the MKD112B-073-KG0-BN motor use?
A: The MKD112B-073-KG0-BN is equipped with resolver feedback with an integrated encoder for position control.
Q: What is the continuous torque at standstill for the MKD112B-073-KG0-BN?
A: This model provides a continuous torque of 28.0 Nm at standstill.
Q: What shaft design is used on the MKD112B-073-KG0-BN motor?
A: The shaft on this motor features a plain design and includes a shaft seal.
Q: What protection category does the MKD112B-073-KG0-BN motor have?
A: The MKD112B-073-KG0-BN has a protection category of IP65, making it resistant to dust and water spray.
Q: Does the MKD112B-073-KG0-BN motor come with a holding brake?
A: This motor does not include a holding brake.
