R911307899 (MHD112D-027-PG0-LN)

MHD Synchronous Motors

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The MHD112D synchronous servo motor, Bosch Rexroth MPN: R911307899 (MHD112D-027-PG0-LN), is designed for precision automation tasks. This unit weighs 56 kg and incorporates a plain shaft with a sealing ring for lubricant retention. It operates with a voltage constant of 154.5 V/1000min-1 and a torque constant of 1.7 Nm/A at 20°C. The motor achieves continuous torque output of 48 Nm (natural cooling, ΔT=60 K) and withstands continuous currents up to 31.6 A. Peak torque output is 187 Nm at up to 3000 RPM. The motor features left-side power connection via connector, encoder for absolute position detection (digital, multiturn, >4096 revolutions), center diameter 130 mm, flange size 192 mm, and insulation class F. Protection is rated IP68 and the housing, finished in a maximum 40 μm black paint, supports both natural and surface cooling. There is no holding brake and liquid cooling is implemented.

Technical Specifications

Voltage Constant
154.5 V/1000min-1

Torque Constant
1.7 Nm/A at 20°C

Power Connection
Left Side

Output Shaft
Plain with Sealing Ring

Continuous Torque (Natural Cooling)
48Nm at 60 K

Continuous Current
31.6 A at 60 K

Weight
56 kg

Winding Resistance
0.35 Ohms

Winding Inductivity
5.65 mH

Max Speed
3000 RPM

Max Torque
187 Nm

Protection Class
IP68

Insulation Class
F

Rated Current (Surface Cooling)
27.6 A

Rated Torque (Surface Cooling)
59.2 Nm

Thermal Time Constant
40 or 90 depending on Cooling Method.

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The Bosch Rexroth Indramat MHD112D-027-PG0-LN Servo Motor incorporates a plain shaft with an integrated shaft seal for secure motion transfer and long-term durability. Equipped with digital servo feedback for accurate positioning, it supports liquid cooling for consistent operation. It is ideal for robotics, automated production lines, and multi-axis motion systems.

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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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.