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MHD041B-144-PG0-UP Bosch Rexroth Indramat

MPN: R911297846

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The Bosch Rexroth Indramat MHD041B-144-PG0-UP is a servo motor from the MHD Synchronous Motors series. It features a continuous torque at standstill of 2.7 Nm, an 82 mm flange size, and a plain shaft with seal. The motor uses natural convection cooling, offers IP65 degree of protection, and provides absolute position detection for over 4096 revolutions.

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Product Description:

The MHD041B-144-PG0-UP is a servo motor produced by Bosch Rexroth Indramat within the MHD Synchronous Motors series. It serves as a compact rotary actuator that converts inverter output into precise mechanical motion for conveyors, gantries, and assembly equipment in industrial automation. By combining a permanent-magnet rotor with high-resolution feedback, the unit supports tightly synchronized position, velocity, and torque control routines required on multi-axis production lines.

Mechanically, the motor uses a plain shaft coupled to a 82 mm square mounting flange, and the 50 mm centering diameter keeps the housing aligned with gearboxes. This mounting format helps maintain shaft alignment and reduces stress on couplings during repeated starts and reversals. Its continuous torque at standstill is 2.7 Nm, allowing the axis to hold moderate loads without overheating. Winding code 144 matches the electrical characteristics expected by compatible Indramat drives, and the motor uses size 041 with length B and insulation class F for a 155 °C winding limit. Digital servo feedback with an integrated optical encoder supplies absolute position data beyond 4096 revolutions, using a wear-free optical measurement method. Power and feedback exit through turnable connectors so cables can be placed within a 270° sector, which helps when clearance is limited, and the motor comes without a holding brake.

The enclosure is sealed to IP65, which blocks dust and low-pressure water jets during operation. Heat is removed by natural convection cooling, so the motor works without a fan or external blower. The motor runs between 0 to 40 °C ambient and may be stored from -20 to +80 °C without damage. Installation is permitted up to 1000 m above mean sea level, and a factory shaft seal helps keep fluids away from the bearings. System accuracy is ± 0.5 angular minutes, which supports precise positioning on axes that require repeatable motion. The sealed housing and connector arrangement are suitable for indoor industrial areas where dust, splash, and limited mounting space are common.

Ambient Storage Temperature Range
-20 to +80 °C
Centering diameter
50 mm
Continuous Torque at Standstill
2.7 Nm
Degree of protection
IP65
Encoder Type
Digital servo feedback w/ integrated encoder
Flange size
82 mm
Holding Brake
Without holding brake
Housing Cooling Type
Natural convection with IP68 Protections
Insulation Class
F
Maximum setup height
1000 above MSL
Measurement method
Optically
Motor Length
B
Motor Size
041
Operating Ambient Temperature Range
0 to 40 °C
Power Connection Direction
turnable within a range of 270°
Power Connection Type
Power and feedback connectors
Product Type
Servo Motor
Shaft Design
Plain shaft
Shaft Seal
Yes
System accuracy
± 0.5 angular minutes
Type of Position Detection
Absolute (>4096 revolutions)
Winding Code
144
  • MHD041B144PG0UP
  • MHD041B 144 PG0 UP
  • mhd041b-144-pg0-up
  • MHD41B-144-PG0-UP

Frequently Asked Questions about MHD041B-144-PG0-UP:

Q: What type of position detection does the MHD041B-144-PG0-UP servo motor offer?

A: The MHD041B-144-PG0-UP provides absolute position detection for over 4096 revolutions.

Q: What shaft design does the MHD041B-144-PG0-UP motor feature?

A: This motor is designed with a plain shaft that is equipped with a shaft seal.

Q: What is the continuous standstill torque for the MHD041B-144-PG0-UP model?

A: The MHD041B-144-PG0-UP achieves a continuous torque of 2.7 Nm at standstill.

Q: What measurement method and system accuracy does the encoder provide on the MHD041B-144-PG0-UP?

A: The encoder uses optical measurement and offers ±0.5 angular minutes of system accuracy.

Q: What is the range of adjustability for the power connection on the MHD041B-144-PG0-UP motor?

A: The power connection direction on this motor is turnable within a range of 270°.


Internal Product Review

  • ‘‘The MHD041B-144-PG0-UP is a well-engineered servo motor with IP65 protection. Digital servo feedback with an integrated encoder and absolute position detection beyond 4096 revolutions support precise closed-loop motion. A turnable 270° power connection adds welcome installation flexibility, and ±0.5 angular minute system accuracy stands out.’’

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