MKD041B-143-GG0-KN Bosch Rexroth Indramat
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MPN: R911293302
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The Bosch Rexroth Indramat MKD041B-143-GG0-KN is a servo motor from the MKD Synchronous Motors series with a flange size of 82 mm and a centering diameter of 50 mm. It provides 2.7 Nm continuous torque at standstill, uses resolver feedback for position detection, and features a plain shaft with an IP65 protection category. The motor does not include a holding brake and is designed for operation in ambient temperatures between 0 and 40°C.
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Product Description:
The MKD041B-143-GG0-KN is a servo motor built by Bosch Rexroth Indramat for the MKD Synchronous Motors series. As a compact drive element, it converts electrical energy into controlled mechanical motion for positioning tasks on CNC axes, pick-and-place gantries, and automated handling stations within industrial automation cells. A plain shaft reduces coupling complexity, and a shaft seal helps keep coolant splash away from the bearing stack. This layout suits compact machine sections where accurate starts and stops are required.
This motor delivers a continuous standstill torque of 2.7 Nm, so an axis can hold load without drift while energized. Its flange measures 82 mm, allowing direct attachment to gearheads or machine frames that share this bolt circle. The housing carries an IP65 rating, which keeps internal windings free from dust ingress and water jets encountered on factory floors. Feedback is provided by resolver feedback, giving analog sine-cosine signals for resilient speed and position loops. Power and encoder leads exit toward the rear because the connections are on side B, and they terminate in a molded connection box that simplifies field wiring. The motor uses insulation class F for thermal resistance, and the 041 frame size with the B length code results in a lightweight actuator that fits cramped machine bays.
The mounting pilot has a diameter of 50 mm, centering the motor precisely in the mating flange so radial runout is minimized. For applications that must coast when power is cut, the unit is supplied without a holding brake. It operates reliably between 0–40 °C, which matches the climate control range of most electrical enclosures. System accuracy remains within ±8 angular minutes when combined with relative position detection, keeping cut paths and pick coordinates repeatable. The 143 winding code is tuned for drives that provide the correct current profile, so the magnetic field remains properly aligned during acceleration and speed changes.
Frequently Asked Questions about MKD041B-143-GG0-KN:
Q: What shaft design does the MKD041B-143-GG0-KN motor use?
A: The MKD041B-143-GG0-KN motor features a plain shaft design.
Q: What type of encoder does the MKD041B-143-GG0-KN use for feedback?
A: This model provides resolver feedback (RSF) for position detection, offering relative positioning capability.
Q: What is the continuous torque at standstill of the MKD041B-143-GG0-KN?
A: The continuous torque at standstill for this motor is 2.7 Nm.
Q: What protection rating is offered by the MKD041B-143-GG0-KN?
A: A protection category of IP65 is provided, which makes the motor dust-tight and resistant to water jets.
Q: What is the operating temperature range for the MKD041B-143-GG0-KN?
A: The permissible ambient temperature for this servo motor is 0 to 40°C.
