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R911284553 (MKD112B-048-KG1-RN)

MKD Synchronous Motors

Rated 4.7 stars (9 total reviews)
  In-Stock, Ships 3-5 Days
Expedited Lead Times on Select Parts
1 Year Warranty Included
Free Ground Shipping
Expedited Lead Times on Select Parts
1 Year Warranty Included
Free Ground Shipping
The Bosch Rexroth R911284553 (MKD112B-048-KG1-RN) is an industrial synchronous servo motor designed for precise automation tasks. This model features a plain shaft with seal, natural convection cooling, and an optional blower unit for enhanced heat dissipation. It provides a continuous torque of 28.0 Nm at standstill and reaches a maximum torque output of 150 Nm. The motor operates at rated voltage of 650 V and current of 20.3 A, achieving speeds up to 4500 rpm. Integrated resolver feedback with a multi-turn absolute encoder enables position detection beyond 4096 revolutions. Additional specifications include a 22 Nm holding brake, a flange size of 192 mm, right-side connection, B-length housing, IP65 protection, and a total weight of 27 kg.

Technical Specifications

Used For
Industrial Automation

Maximum Speed
4500 rpm

Theoretical Maximum Torque
102 Nm

Peak Current
160.2 A

Mounted Sensor
PTC (Temperature)

Compatible Controller
Digital Intelligent Drive Controller

Blower Unit Voltage
115 - 230 V with ±10/15 % tolerance

Natural Cooling Mode Voltage
227/236 V

Natural Cooling Mode Torque
7.7 - 18.1 Nm

Natural Cooling Mode Nominal Speed
2800 rpm

Blower Unit Torque
30.6 Nm

Brake
22 Nm Holding Brake

Encoder
Multi-turn Absolute Encoder

Shaft Type
Plain with Sealing Ring

Continuous Power Output
2.7 - 11 kW

Housing Protection Standard
IP65

What overload margin supports demanding cycles on MKD112B-048-KG1-RN?

It reaches 150 Nm maximum torque. That ceiling absorbs short, high-inertia events during acceleration or disturbance rejection, preserving loop stability and commanded path under aggressive motion profiles.

Which supply pairing optimizes modulation for MKD112B-048-KG1-RN drives?

It runs at 650 V rated voltage. Matching the inverter and DC link to this level maintains switching efficiency and current headroom for crisp torque production during rapid changes.

How is continuous electrical loading defined on MKD112B-048-KG1-RN?

It draws 20.3 A rated current. Cable gauge, protective devices, and drive thermal design are selected to support this value, ensuring reliable operation through extended duty cycles.

What assures safe holding on power-off for MKD112B-048-KG1-RN?

It includes a 22 Nm holding brake. The brake locks the shaft when de-energized, preventing gravity-induced drift and safeguarding tooling and parts during maintenance or outages.

Which mounting datum maintains concentricity on MKD112B-048-KG1-RN?

It uses a 130 mm centering diameter. The pilot provides coaxial alignment, reducing vibration and extending coupling life in long-run production.

MKD 112B-048-KG1-RN

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mkd112b-048-kg1-rn

Internal Product Review

Bosch Rexroth's MKD112B-048-KG1-RN with a right side connection streamlines cable routing in dense cabinets. Its strong torque ceiling, efficient voltage pairing and precise mounting maintains synchronized timing and durable performance in robotics, CNC axes and automated handling systems.

Warranty

1-year-warranty
Indramat USA 1 Year Warranty

Repair

product repair We offer a repair service for the MKD112B-048-KG1-RN.
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