MKD041B-058-GG0-KN Bosch Rexroth Indramat
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MPN: R911308368
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The Bosch Rexroth Indramat MKD041B-058-GG0-KN is a servo motor in the MKD Synchronous Motors series with an 82 mm flange size and 50 mm centering diameter. It features a resolver feedback encoder, operates with a continuous torque at standstill of 2.7 Nm, and includes a plain shaft with a shaft seal. The motor uses a side B connection box and does not have a holding brake.
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Product Description:
Bosch Rexroth Indramat manufactures the MKD041B-058-GG0-KN, a servo motor in the MKD Synchronous Motors series. This unit is intended for precise actuation in automated assembly lines, pick-and-place gantries, and similar motion tasks where consistent torque and high positional repeatability are required. When integrated with a compatible drive controller, it supports closed-loop speed regulation and position control across multi-axis machinery. This makes the motor suitable for equipment that depends on repeatable starts, stops, and short indexing moves.
A centering diameter of 50 mm aligns the motor in the mounting recess, and a square flange measuring 82 mm provides a stable mounting face with standard bolt patterns. The B length code balances rotor inertia against overall depth, and the 041 frame size keeps the footprint compact for tightly spaced axes. Under continuous excitation, the rotor can sustain 2.7 Nm of standstill torque without exceeding temperature limits. Mechanical output is transmitted through a plain shaft, and a shaft seal helps keep lubricants and contaminants away from internal motor components. Winding code 058 identifies the electrical winding used in this motor, helping the matched drive apply suitable current and voltage during acceleration.
Service wiring is routed on side B, where a connection box houses terminals for three-phase power, resolver leads, and protective earth. The sensing element is a resolver feedback (RSF) device that delivers analog sine and cosine signals for relative position detection, enabling a 360-degree commutation reference after each power-up. These resolver signals allow the drive to monitor rotor angle during operation and support stable commutation throughout the speed range. Because the motor is supplied without a holding brake, position must be maintained by a mechanical lock or drive torque when power is removed, especially on vertical axes. The shaft seal and the resolver’s non-contact construction help reduce particulate ingress in lightly contaminated production areas.
Frequently Asked Questions about MKD041B-058-GG0-KN:
Q: What type of shaft does the MKD041B-058-GG0-KN servo motor have?
A: The MKD041B-058-GG0-KN features a plain shaft design.
Q: What encoder type is used in the MKD041B-058-GG0-KN motor?
A: This motor provides resolver feedback (RSF) for position detection.
Q: What is the continuous torque at standstill of the MKD041B-058-GG0-KN?
A: The continuous torque at standstill for this model is 2.7 Nm.
Q: Does the MKD041B-058-GG0-KN servo motor include a holding brake?
A: The MKD041B-058-GG0-KN is manufactured without a holding brake.
Q: Where is the electrical connection located on the MKD041B-058-GG0-KN?
A: The electrical connection for this motor is accessed via the connection box on Side B.
