R911287043 (MHD112B-048-NG1-BN)

Name: R911287043 (MHD112B-048-NG1-BN)
Brand: Indramat Motors
SKU: MHD112B-048-NG1-BN
Price: 302.00 USD
Availability: InStock

MHD Synchronous Motors

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Email:
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The R911287043 (MHD112B-048-NG1-BN) is a Bosch Rexroth synchronous MHD servo motor engineered for integration in industrial automation environments such as machine tools, packaging, and food processing equipment. It features a motor frame size of 112, winding code 048, and a flange-mounted design with a centering diameter of 130 mm and flange size of 192 mm. The shaft diameter is 32 mm, with a plain shaft and sealing ring, and the overall motor length is 375 mm. The motor mass is approximately 34 kg. Continuous torque output at standstill reaches 28 Nm with a corresponding current of 35.6 A for natural convection, and 42 Nm with 53.4 A under surface cooling. Maximum speed is 4500 RPM, rated speed is 2800 RPM, and rotor moment of inertia is 0.0192 kg·m². The unit incorporates an IP65 housing, liquid cooling capability, and a 22 Nm holding brake actuated by 24V DC. It employs digital servo feedback (HSF) for relative position detection, with the power connection oriented to side B. Operating temperature range is 0 to 40°C, and storage is permissible between -20 and 80°C.

Technical Specifications

Motor Frame Size
112

Winding Code
048

Motor Centering Diameter
130mm

Shaft Diameter
32mm

Mounting Type
Flange-Mounted

Motor Flange Size
192mm

Flange Hole Diameter
14mm

Motor Length
375mm

Motor Mass
34kg

Maximum Speed
4500 RPM

Rated Speed
2800 RPM

Housing Rating
IP65

Cooling Method
Natural Convection or Surface

Continuous Torque with Natural Convection
28 Nm

Continuous Current with Natural Convection
35.6 Amps

Continuous Torque with Surface Cooling
42 Nm

Continuous Current with Surface Cooling
53.4 Amps

Rotor Inertia
0.0192 kg m2

Holding Brake
22Nm

Brake Release Voltage
24 Volts DC

Storage Temperature
-20 to 80 degrees Celsius

Working Temperature
0 to 40 degrees Celsius

Digital Servo Feedback
Yes

Power Connection Position
Side B

Shaft Type
Plain with Sealing Ring.

Frequently Asked Questions

How does the MHD112B-048-NG1-BN support load retention in vertical or suspended configurations?

It includes a 22.0 Nm holding brake for secure shaft locking under static load. This ensures position stability when the drive system is powered down.

What cooling strategy is used to maintain performance during continuous torque demand?

The motor employs a liquid-cooled housing for active thermal management. This allows full-duty operation without overheating in closed or insulated environments.

Does the shaft configuration support accurate mechanical interfacing under constant cycling?

The plain shaft provides a smooth coupling surface for low-backlash integration. It performs well in high-frequency torque reversal conditions.

Can this motor be mounted precisely in modular automation systems?

Its 130 mm centering diameter ensures concentric alignment with standard servo fixtures. This improves stability during installation and high-speed operation.

Is this motor suited for torque-intensive processes with zero-speed dwell phases?

It delivers 28.0 Nm continuous torque at standstill, maintaining force without rotation. This benefits indexing systems or motion profiles with frequent holds.

Common Misspellings

MHD112B048NG1BN

MHD112B 048 NG1 BN

mhd112b-048-ng1-bn

Internal Product Review

The MHD112B-048-NG1-BN from Bosch Rexroth Indramat is a powerful servo motor with a 130 mm centering diameter for stable mounting. It includes liquid cooling, a plain shaft design, and provides 28.0 Nm continuous torque at standstill. The integrated 22.0 Nm holding brake ensures secure, load-holding performance during idle periods.