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R911320786 (MHD112B-058-NG0-RN)

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

Current response time:

4 Minutes 23 Seconds

The Bosch Rexroth MPN R911320786 (MHD112B-058-NG0-RN) is a synchronous servo motor engineered for industrial environments. It features a 192 mm flange, 130 mm centering diameter, and plain shaft with an integrated shaft seal. The unit operates with liquid-cooled housing and employs digital servo feedback (HSF) for relative position detection. The motor delivers a continuous standstill torque of 28.0 Nm, has a motor length B, and winding code 058. With four pole pairs, special magnet materials result in low inertia. The power connection is directed to the right via power connector. It is rated IP65 and specified for installation heights up to 1,000 m with protection against fluid accumulation around the vertical shaft. The motor is supplied without a holding brake.

Technical Specifications

Type Code
058-NG0-RN

Flange Size
260mm

Centering Diameter
250mm

Design
Brushless

Maintenance
Maintenance-free operation

Bearing Type
Grease-lubricated

Encoder System
Integrated digital servo feedback

Maximum Setup Height
1,000m over sea level

Pole Pairs
4

Installation Orientation
Any orientation

Material Used For Magnets
Special magnet materials

Inertia Mass
Low

Radial and Axial Forces
Subjected during operation

Length Code
B

Degree of Protection
IP 65

Theoretical Maximum Torque
102Nm

Peak Current Rating
183A

Shipping
Available worldwide.

How does the MHD112B-058-NG0-RN maintain torque delivery under static or dwell-phase conditions?

It provides 28.0 Nm continuous torque at standstill for stable load handling. This ensures consistent force output in positioning or hold operations.

What considerations apply when using this model in safety-critical vertical load applications?

This version is designed without a holding brake. External braking or clamping systems are required to secure loads during power-off states.

How is the shaft protected against ingress in industrial automation environments?

The sealed plain shaft prevents fluid and particulate contamination. It improves reliability in semi-exposed or high-debris zones.

What type of position feedback does the motor provide for motion tracking?

It uses a digital HSF encoder with relative position detection. Homing routines are needed at startup to establish position reference.

Will this model fit precisely into existing modular mounting systems?

A 192 mm flange and 130 mm centering diameter follow standard servo geometry. This enables quick mechanical integration with minimal alignment adjustment.

MHD112B058NG0RN

MHD112B 058 NG0 RN

mhd112b-058-ng0-rn

Internal Product Review

The MHD112B-058-NG0-RN servo motor from Bosch Rexroth is designed with a sealed shaft for enhanced durability. It incorporates liquid cooling, 28.0 Nm standstill torque, a 192 mm flange, and lacks a holding brake for simplified configurations. Its HSF encoder supports relative position detection for responsive motion feedback.

Warranty

1-year-warranty
Indramat USA 1 Year Warranty

Repair

product repair We offer a repair service for the MHD112B-058-NG0-RN.
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