MKD041B-143-GP1-KN Bosch Rexroth Indramat
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MPN: R911294377
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The Bosch Rexroth Indramat MKD041B-143-GP1-KN is a servo motor from the MKD Synchronous Motors series, featuring a flange size of 82 mm and a centering diameter of 50 mm. It has resolver feedback for position detection, a holding brake with 2.2 Nm torque, and a continuous torque at standstill of 2.7 Nm. The motor offers IP65 protection and uses insulation class F.
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Product Description:
The MKD041B-143-GP1-KN is a servo motor produced by Bosch Rexroth Indramat and belongs to the MKD Synchronous Motors series. This model integrates a resolver for position feedback and carries winding code 143. Delivered as a compact rotary actuator, it supplies closed-loop speed and position control to pick-and-place heads, tool spindles, and indexing tables. Its servo construction allows direct coupling to gear stages or loads, and the sealed housing supports installation beside machine axes in industrial environments.
Its mechanical interface follows a square flange pattern with a face dimension of 82 mm, and concentric alignment is set by a 50 mm centering diameter, simplifying repeatable mounting to gearboxes or machine frames. At locked rotor, the motor can deliver a continuous torque of 2.7 Nm, giving actuators enough holding force for precise dwell phases without thermal derating. The stator windings are insulated to class F limits, and an integrated connection box on Side B keeps power and feedback terminations shielded from contamination. Position feedback is generated by resolver feedback, so the drive can determine absolute angle after a reference move, and the overall housing achieves an IP65 protection rating that seals the windings against dust and water jets during washdown maintenance.
The motor is supplied with a permanent-magnet holding brake that clamps the shaft with 2.2 Nm when power is removed, preventing drift on vertical or suspended loads. Torque is transmitted by a shaft with keyway, and a shaft seal behind the collar blocks lubricant from migrating into the resolver chamber. Closed-loop motion quality is enhanced by a system precision of ±8 angular minutes, giving adequate accuracy for mid-range positioning tasks without external encoders. Thermal suitability is limited to a 0–40 °C ambient window, and the B-length frame together with the 041 stator size keeps mass low while maintaining adequate magnetic cross-section for dynamic moves.
Frequently Asked Questions about MKD041B-143-GP1-KN:
Q: What type of encoder is used in the MKD041B-143-GP1-KN servo motor?
A: The MKD041B-143-GP1-KN provides resolver feedback (RSF) for position detection.
Q: Does the MKD041B-143-GP1-KN come with a holding brake, and what is its torque?
A: This servo motor is equipped with a holding brake and offers 2.2 Nm of brake torque.
Q: What is the continuous standstill torque rating for this motor?
A: The MKD041B-143-GP1-KN operates at a continuous torque of 2.7 Nm during standstill.
Q: What is the protection rating of the MKD041B-143-GP1-KN servo motor?
A: This model is classified with IP65 protection, making it dust-tight and protected against water jets.
Q: What ambient temperature range is suitable for the MKD041B-143-GP1-KN?
A: The permissible ambient temperature for operation is between 0 and 40°C.
