MKD041B-058-GG0-KN Bosch Rexroth Indramat
Wake Industrial LLC is not an authorized distributor of this product.
Wake Industrial LLC is not an authorized distributor of this product.
MPN: R911308368
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.
Internal Product Review
The MKD041B-058-GG0-KN is a Bosch Rexroth Indramat servo motor equipped with resolver feedback and relative position detection. A side B connection box supports orderly panel routing and straightforward machine integration. The plain shaft and shaft seal make the motor a very solid choice for precise, dependable motion service.
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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.
