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R911291708 (MKD112D-027-KP3-LN)

MKD Synchronous Motors

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The R911291708 (MKD112D-027-KP3-LN) is a Bosch Rexroth synchronous servo motor designed for industrial automation, machine tools, printing, packaging, and food processing applications. It features a shaft with keyway and shaft seal, resolver feedback with integrated encoder for absolute position detection exceeding 4096 revolutions, and a 70 Nm electrically released holding brake. The motor operates at a rated current of 20.7 A, rated voltage of 331 V, and delivers a rated power of 11.3 kW with 48.0 Nm continuous torque at standstill. It conforms to DIN 42950 design B5, has a flange size of 192 mm, centering diameter of 130 mm, and requires compatible drive controllers. Proper alignment and the use of screw-locking adhesive in high vibration environments are recommended. The bearing lifetime is 30,000 hours when specified load limits are observed.

Technical Specifications

Housing Screws
M4

Starting Torque
1.4Nm

Holding Brake
70Nm

Bearings Lifespan
30,000 hours

Moment of Rotor Inertia
350 x 10-4

Length Code
D

Current Rated
20.7A

Voltage Rated
331V

Power Rated
11.3kW

Flange Fixing Screws
M12

Screw Tightening Torque
87Nm

Design Compliance
DIN 42950 specifications

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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
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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.