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R911272397 (MKD112B-048-KG1-AN)

MKD Synchronous Motors

Rated 4.1 stars (9 total reviews)
  In-Stock, Ships 3-5 Days
Expedited Lead Times on Select Parts
1 Year Warranty Included
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Expedited Lead Times on Select Parts
1 Year Warranty Included
Free Ground Shipping

Current response time:

6 Minutes 20 Seconds

The Bosch Rexroth synchronous motor R911272397 (MKD112B-048-KG1-AN) is a servo motor featuring a plain shaft with shaft seal and a holding brake providing 22 Nm of holding torque. This model utilizes resolver feedback with an integrated multiturn absolute encoder capable of position detection exceeding 4096 revolutions. It supports a continuous torque at standstill of 28.0 Nm and operates at a rated speed of 2,800 RPM. The motor has a rotor inertia of 0.038 kg·m², is sized at 112 with a motor length 'B,' and employs a mounting flange according to IEC standards. The centering diameter is 130 mm, total mass is 67 kg, and the motor meets IP65 protection class, suitable for 0–40°C operating temperatures.

Technical Specifications

Product Type
Bosch Rexroth Indramat Synchronous Motor

Variants Available
3

Rated Torque 60K Version
7.7 Nm

Rated Torque 100K Version
18.1 Nm

60K Model Additional Feature
Packing insulation

Rated Torque (High Performance)
30.6 Nm

Cooling Mechanism (High Performance)
Special surface cooling

Rated Speed
2800 RPM

Total Mass
34 kg

Operational Temperature Range
0-40 oC

Integrated add-on
22 Nm holding brake

Additional Feature
Integrated multiturn absolute encode

What secures the axis on MKD112B-048-KG1-AN during shutdowns or e-stops?

It includes a 22 Nm holding brake. The spring-applied mechanism locks the shaft when de-energized, preventing unintended motion on vertical or inclined axes and preserving tooling or part alignment during service intervals.

How much current capacity frames the inverter choice for MKD112B-048-KG1-AN?

It draws 29.5 A rated current. That figure sets continuous drive sizing and cable gauge, ensuring thermal limits and voltage drop remain in spec while preserving dynamic response during frequent accelerate-decelerate profiles.

How does MKD112B-048-KG1-AN perform in challenging environments?

It meets IP65 protection class. Dust and water jets remain outside, protecting encoder electronics, terminals, and bearings so accuracy and dielectric integrity persist through washdown and abrasive airborne exposure.

Which interface keeps MKD112B-048-KG1-AN structurally stable?

It uses a 192 mm flange size. The wide, machined face maintains squareness and distributes loads, reducing micro-movement that can degrade coupling alignment during reversing duty.

How does mass influence dynamics on MKD112B-048-KG1-AN?

It weighs 67 kg. The higher mass damps vibration and lowers resonance amplitude, improving surface finish, path accuracy, and tool life in large frames or rigid automation cells.

MKD 112B-048-KG1-AN

MKD-112B-048-KG1-AN

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mkd112b-048-kg1-an

Internal Product Review

Indramat's MKD112B-048-KG1-AN targets safe retention and high-duty repeatability. A holding brake option adds secure stop behavior for vertical axes without auxiliary clamps. With robust sealing, standardized interfaces, and strong electrical headroom, the motor supports rapid indexing and precise alignment.

Warranty

1-year-warranty
Indramat USA 1 Year Warranty

Repair

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