MKD041B-144-KP1-KN-SA001

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The Bosch Rexroth Indramat MKD041B-144-KP1-KN-SA001 is a servo motor from the MKD Synchronous Motors series with an 82 mm flange and a centering diameter of 50 mm. It features resolver feedback with integrated encoder for absolute position detection and is equipped with a holding brake that provides 2.2 Nm of torque. The motor also has a continuous torque at standstill of 2.7 Nm and includes a shaft with keyway and shaft

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Product Description:

The MKD041B-144-KP1-KN-SA001 is a servo motor manufactured by Bosch Rexroth Indramat as part of the MKD Synchronous Motors series. Designed for closed-loop industrial automation, the unit converts electrical energy from a drive into controlled mechanical rotation for positioning tasks in packaging machines, material-handling gantries, or assembly stations. Its construction follows the series format so integrators can align electrical parameters and mounting geometry with compatible Rexroth drive controllers.

Mechanical interface data define how the motor mounts to equipment. A centering diameter of 50 mm aligns the housing precisely with the mating flange, while the square flange itself measures 82 mm on each side for standardized installation on compact axes. At standstill the rotor delivers a continuous torque of 2.7 Nm, supporting low-speed holding and slow feed motions without overheating. All power and feedback leads exit on Side B, and the integral Connection box simplifies field wiring by grouping terminals behind a sealed cover. Size code 041 and length code B keep the overall mass and inertia suitable for light dynamic duties.

The unit is supplied with a holding brake that produces 2.2 Nm of static torque to secure vertical or suspended loads when the drive is de-energized. Position feedback is provided by a Resolver feedback device, and the multi-turn capability exceeds >4096 revs so homing cycles can be eliminated after power loss. A shaft with a keyway transmits torque to pulleys or couplings, and a shaft seal protects the front bearing against coolant splash or dust. Winding code 144, together with the integrated brake and encoder, completes a configuration intended for general-purpose servo axes where moderate torque density and reliable position retention are essential.

Centering diameter
50 mm
Connection Direction
Side B
Connection Type
Connection box
Continuous Torque at Standstill
2.7 Nm
Encoder Type
Resolver feedback w/ integrated encoder
Flange size
82 mm
Holding Brake
With holding brake
Holding Brake Torque
2.2 Nm
Motor Length
B
Motor Size
041
Other Design
SA001
Position Detection
Absolute (>4096 revs)
Product type
Servo Motor
Shaft Design
Shaft with keyway
Shaft Seal
Yes
Synchronous Servo Motor
MKD
Winding Code
144
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Internal Product Review

  • ‘‘The MKD041B-144-KP1-KN-SA001 is a Bosch Rexroth Indramat MKD Synchronous Motor featuring a resolver feedback with integrated encoder for absolute position detection above 4096 revolutions. With a continuous torque at standstill of 2.7 Nm and a robust holding brake rated at 2.2 Nm, this servo motor is well suited for high-precision automation tasks. The design incorporates a shaft with keyway and shaft seal, making it a reliable choice for demanding industrial environments.’’

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