R911297173 (MHD115B-058-NG1-BA)

MHD Synchronous Motors

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The R911297173 (MHD115B-058-NG1-BA) is a Bosch Rexroth servo motor from the MHD series, equipped with four pole pairs and a plain shaft with shaft sealing. Designed for direct overhung mounting, it has bearings suitable for high radial loads and an expected bearing life of 30,000 hours. The motor operates with natural convection cooling and supports optional surface cooling. Key specifications include a maximum speed of 6,000 RPM, theoretical maximum torque of 160.0 Nm, continuous standstill torque of 50.0 Nm, holding brake torque of 70.0 Nm, flange size of 192 mm, centering diameter of 180 mm, and digital servo feedback encoder for relative position detection. Power is supplied via an output connector located at side B.

Technical Specifications

Motor Type
Servo Motors

Pole Pairs
4

Bearings Design
High radial loads

Maximum Speed
6000 revolutions per minute

Theoretical Maximum Torque
160.0Nm

Torque Constant at 20oC
0.9Nm/A

Voltage Constant at 20oC
81.8 V/1000 min-1

Cooling Design
Natural Convection and Surface cooling

Included Thermal Sensor
Yes

Integrated Encoder System
Digital Servo Feedback ±0.5 angular minutes

Nominal Speed
4,500 min-1

Nominal Voltage
380.0 Volts

Nominal Power
25.0 KW

Shaft Design
Plain shaft with shaft sealing ring

Shaft Sealing Ring Design
According to DIN 3760 - Design A

Frequently Asked Questions

Common Misspellings

Internal Product Review

The MHD115B-058-NG1-BA offers simplified integration with plug-and-play functionality. Its plain shaft design also keeps mechanical integration simple. However, some setups may be better off with a model that has a keyed shaft design.

1620 Old Apex Road
Cary, NC 27513, USA

Toll Free: 1-888-551-3082
International: 1-919-443-0207

Fax: 1-919-867-6204

[email protected]

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Indramat USA 1 Year Warranty

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We offer a repair service for the MHD115B-058-NG1-BA.

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North Carolina Office

Indramat USA
1620 Old Apex Road
Cary, NC 27513
USA

Phone

Toll Free: 1-888-551-3082
International: 1-919-443-0207

Indramat USA sells factory new and pre-owned surplus products and maintains channels to procure supply. Indramat USA is not affiliated with nor an authorized distributor or representative of any manufacturers, brands or products listed. Designated trademarks, brand names, and brands appearing herein are the property of their respective owners.