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R911281729 (MHD112C-058-PP0-BN)

MHD Synchronous Motors

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The R911281729 (MHD112C-058-PP0-BN) is a synchronous servo motor from the Rexroth MHD series featuring a frame size of 112 and length C. It utilizes winding code 058 and includes a keyed shaft conforming to DIN 6885-1, a shaft seal, and is designed without a holding brake. The motor uses digital servo feedback with an integrated multiturn absolute encoder capable of detecting positions over 4096 revolutions. It operates at a maximum speed of 4500 RPM, with peak torque at 148 Nm and peak current at 239 A. The motor achieves continuous standstill torque of 38 Nm, supports liquid cooling, and is rated for insulation class F and protection class IP65. Mounting requires four M12 screws (tightening torque 87 Nm, strength 8.8). Power is connected via an output connector to side B. Centering diameter is 130 mm and flange size is 192 mm.

Technical Specifications

Frame size
112

Frame length
C

Winding code
058

Flange recommended screws
4 x M12

Flange recommended tightening torque
87 Nm

Flange recommended strength
8.8

Shaft Details
Keyway according to DIN 6885-1

Shaft Sealing Ring
Yes

Integrated Holding Brake
No

Feedback
Digital Servo Feedback

Feedback Type
Integrated Multiturn Absolute Encoder

Maximum Speed
4500 RPM

Maximum Torque
148 Nm

Maximum Current
239 Amps

Torque Constant at 20 degrees Celsius
0.8 Nm/A

Voltage Constant at 20 degrees Celsius
72.7 V/1000 RPM

Electrical Power Connector Position
B

Insulation Class
F

Protection Class
IP65

Cooling Type
Natural Convection

Recommended Ambient Temperature
32 and 104 degrees Fahrenheit

Shipping
Global

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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.