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R911317142 (MHD115C-035-NG1-AN)

MHD Synchronous Motors

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The R911317142 (MHD115C-035-NG1-AN) is a Bosch Rexroth synchronous servo motor engineered for dynamic motion control applications. It weighs 55.8 kg and employs a digital servo feedback (HSF) encoder for relative position detection. The motor has a torque constant of 1.31 Nm/A, winding resistance of 0.12 ohms, and supports a maximum speed of 4500 rpm, with theoretical torque output of 231 Nm. Rated at 4.3 kW (natural cooling, 60 K), it delivers 35.6 Nm at 67 Hz. Under liquid cooling (60–100 K), the rated power increases, sustaining 133 Nm at 2000 rpm. It includes a holding brake with 70 Nm torque, has a plain shaft with a sealing system, housing for liquid cooling, and side A output connector. The unit features a centering diameter of 180 mm, flange size 192 mm, and operates optimally within 0 to +40°C, with transport permissible from -20 to +80°C.

Technical Specifications

Net Weight
55.8 kg

Torque Constant
1.31 Nm/A

Winding Resistance
0.12 ohms

Digital Servo Feedback Encoder
Yes

Winding Inductivity
1.96 mH

Theoretical Torque
231 Nm

Maximum Speed
4500 rpm

Thermal Time Constant
30-100 mins

Continuous Torque
133 Nm

Rated Rotational Speed
2000 rpm

Cooling
Natural and Liquid

Sealing Ring
Yes

Rated Power (60-K)
4.3 kW

Rated Torque (60-K)
35.6 Nm

Rated Frequency (60-K)
67 Hz

Operating Temperature
0 to +40 degrees Celsius

Transport Temperature
-20 to +80 degrees Celsius

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1620 Old Apex Road
Cary, NC 27513, USA

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Indramat USA
1620 Old Apex Road
Cary, NC 27513
USA

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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.