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R911285991 (MHD112B-058-NP1-BN)

MHD Synchronous Motors

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The synchronous motor R911285991 (MHD112B-058-NP1-BN) by Bosch Rexroth is designed with a keyed shaft conforming to DIN 6885-1 and features a liquid-cooled housing. This motor outputs 3.2 kW at 60K, delivers 28.0 Nm of continuous standstill torque, and integrates thermal monitoring for overload protection. It includes a holding brake rated at 22.0 Nm and relies on digital servo feedback (HSF) for relative position detection. The motor supports both vertical and horizontal installation orientations and employs electronic commutation, allowing for continuous start-stop operation. Mounting requires 4 x M12 screws torqued to 87 Nm on a 192 mm flange with a 130 mm centering diameter. Power is connected via an output connector oriented to side B.

Technical Specifications

Keyway Shaft Design
Compliant with DIN 6885-1

Rated Power
3.2kW at 60K

Torque to Inertia Mass Ratio
High

Storage and Transport Temperature
-20°C to 80°C

Storage and Transportation Requirements
Keep Dry, No Dropping or Tipping

Installation
Vertical and Horizontal Installations

Voltage Constant
89V/1000min-1

Winding Resistance
0.86 Ohms

Torque Constant
0.98Nm/A at 20°C

Brake
Functioning must be checked prior to installation

Delivery
Available Worldwide

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1620 Old Apex Road
Cary, NC 27513, USA

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International: 1-919-443-0207

Fax: 1-919-867-6204

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Indramat USA 1 Year Warranty

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We offer a repair service for the MHD112B-058-NP1-BN.

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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.