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R911311248 (MHD112A-035-NG0-AN)

MHD Synchronous Motors

  In-Stock, Ships 3-5 Days
Expedited Lead Times on Select Parts
1 Year Warranty Included
Free Ground Shipping
Expedited Lead Times on Select Parts
1 Year Warranty Included
Free Ground Shipping
The R911311248 (MHD112A-035-NG0-AN) is a Bosch Rexroth MHD series servo motor featuring a plain shaft design with a sealing ring to prevent oil leakage and protect the bearings. Its housing achieves an IP65 protection rating, enabling use in demanding environments. The motor can be mounted via a 192 mm flange with four 14 mm diameter holes and a 130 mm centering diameter. Weighing 23 kg, it has a 40 mm main shaft extending 60 mm. The MPN supports natural convection or surface cooling, operates optimally at 0–40°C and up to 1000 meters altitude, and should be stored horizontally between -20°C and 80°C. Key specifications include a continuous torque at standstill of 15.0 Nm, liquid cooling, digital servo feedback (HSF) for relative position detection, side A power connection with an output connector, size 112, winding code 035, and motor length A.

Technical Specifications

Holding Brake
Not Included

Shaft Type
Plain with Sealing Ring

Housing
Fully Sealed

Protection Rating
IP65

Flange Size
192mm

Mounting Hole Diameter
14mm

Motor Centering Diameter
130mm

Shaft Diameter
40mm

Outside Shaft
60mm

Weight=
23kg

Cooling
Natural Convection and Surface Cooling

Feedback System
Digital Servo

Power Connector Position
Side A

Operational Conditions
0 to 40 degrees Celsius, up to 1000 meters height

Storage Temperature
-20 to 80 degrees Celsius

Storage Position
Horizontal

What type of cooling efficiency can be expected from the liquid-cooled MHD112A-035-NG0-AN servo motor?

Liquid cooling enables consistent temperature regulation, allowing continuous high-torque operation without thermal derating. It’s especially beneficial in enclosed systems where air circulation is limited.

How does the digital HSF encoder improve feedback accuracy in this servo motor?

The HSF encoder provides precise digital signal output, minimizing drift and improving repeatability. It enhances position tracking, crucial for multi-axis synchronization and tight motion profiles.

Does the MHD112A-035-NG0-AN support absolute position feedback?

No, it uses relative position detection, requiring homing at power-up. This setup simplifies encoder configuration but may increase start-up calibration time.

How does the centering diameter of 130 mm affect installation alignment?

The centering diameter ensures mechanical concentricity between motor and driven equipment. Precise alignment reduces vibration, extending bearing and coupling life.

In what environments is liquid-cooled servo operation most advantageous?

Liquid-cooled motors excel in high-duty-cycle or thermally constrained applications. They maintain torque output even in compact or sealed machine enclosures.

MHD112A035NG0AN

MHD112A 035 NG0 AN

mhd112a-035-ng0-an

Internal Product Review

The MHD112A-035-NG0-AN is a Bosch Rexroth Indramat servo motor designed for demanding automation systems. It offers liquid cooling, digital HSF feedback, and a plain shaft with a seal that ensures stable 15.0 Nm torque. It’s typically used in CNC machinery, robotics, and printing automation.

Warranty

1-year-warranty
Indramat USA 1 Year Warranty

Repair

product repair We offer a repair service for the MHD112A-035-NG0-AN.
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