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R911307973 (MKD112B-058-GG2-BN)

MKD Synchronous Motors

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The Bosch Rexroth R911307973 (MKD112B-058-GG2-BN) is a synchronous AC servo motor designed for industrial automation. It operates at a nominal speed of 4000 min⁻¹ and delivers a continuous standstill torque of 28.0 Nm. The motor is rated for a standing current of 40.7 A and a peak current of 183 A, with a moment of inertia of 192 × 10⁻⁴ kg·m². The unit features a plain shaft with shaft seal, resolver feedback for relative position detection, and utilizes natural convection cooling with a thermal time constant of 1.5 hours. The motor housing meets RAL 9005 (black) and IP65 protection standards. Suitable for installation at a maximum height of 1000 m and operational ambient temperatures from 0 to 40°C. Electrical connections are implemented via output connectors; centering diameter is 130 mm and winding code is 058.

Technical Specifications

Type
AC Servo Motor

Nominal Speed
4000 min-1

Current Rating at Standstill
40.7 Amps

Peak Torque
102 Nm

Peak Current
183A

Moment of Inertia
192 x 10-4 kgm2

Winding Resistance at 20 C
0.17 Ohm

Torque Constant
0.77 Nm/A

Voltage Constant
70V per 1000 rpm

Cooling Method
Natural Convection

Thermal Time Constant
1.5 hours

Housing Finish
Black (RAL 9005)

Transport/Storage Temperature Range
-20 to 80 degrees Celsius

Operating Temperature Range
0 to 45 degrees Celsius

Maximum Installation Elevation
1000m above sea level

Winding Inductance (LA)
2.5 mH

Holding Torque
32 Nm

Nominal Voltage
24 V DC

Shipping Position
Horizontal

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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.