R911298801 (MKD112B-048-KG2-BN)

MKD Synchronous Motors

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The R911298801 (MKD112B-048-KG2-BN) is a synchronous servo motor from the Bosch Rexroth MKD series, designed for operation within 0 to +40 °C and altitudes up to 1000 meters. It operates at a supply voltage of 227-251 V and a frequency of 187 Hz, with a torque constant of 1.21 Nm/A and winding resistance of 0.22 Ohm at 20 °C. The motor features winding code 048, winding inductance of 3.1 mH, and delivers continuous torque at standstill of 28.0 Nm with a maximum current of 35.6/43.5 A. It uses natural convection cooling and can be fitted with surface cooling for increased loads. The motor includes a plain shaft with shaft seal, IP65 protection, side-oriented output connector, 192 mm flange, and utilizes resolver feedback for absolute position detection over 4096 revolutions. Its rotor inertia is 0.012 kgm² and the rated speed is 3000 RPM.

Technical Specifications

Product Type
Automation Equipment

Application
Main Spindle/Servo Motor

Temperature Range
0 to +40 degree Celsius

Maximum Altitude
1000 meters above sea level

Supply Voltage
227 – 251 V

Rated Frequency
187 Hz

Winding Code
048

Winding Inductance
3.1 mH

Torque Constant
0.88 Nm/A

Motor Winding Resistance
0.22 Ohm

Pole Pairs
4

Cooling Mode
Natural Air

Continuous Torque (60K/100K Overtemperature)
28/33 Nm

Continuous Current (60K/100K Overtemperature)
35.6/43.5 A

Continuous Torque (With Surface Cooling)
42 Nm

Continuous Current (With Surface Cooling)
53.4 A

Shaft Type
Plain Shaft with a Radial Shaft Sealing Ring

Position Feedback
Digital Servo Feedback

Motor Brake
Yes

Protection Category
IP65

Frequently Asked Questions

Common Misspellings

Internal Product Review

The MKD112B-048-KG2-BN is robust enough for light to medium-duty applications. Its flange-mounted design makes installation straightforward. However, the ambient range for operation may limit usability in some environments.

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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We offer a repair service for the MKD112B-048-KG2-BN.

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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.