MKD112D-027-GG3-AN
MKD Synchronous Motors
The MKD112D-027-GG3-AN is a synchronous servo motor by Bosch Rexroth Indramat in the MKD Synchronous Motors. It features a plain shaft with shaft seal, lubricated for life, and delivers 48.0 Nm continuous torque at standstill. A holding brake provides 70 Nm torque, while resolver feedback (RSF) ensures relative position detection. With a voltage constant of 150 V/krpm, 105 A peak current, and weighing 80 kg, it connects via an output connector.
Technical Specifications
Shaft Design
Plain shaft
Shaft Seal
Yes
Holding Brake
With holding brake
Holding Brake Torque
70 Nm
Other Designs
None
Encoder Type
Resolver feedback (RSF)
Position Detection
Relative
Continuous Torque at Standstill
48.0 Nm
Motor Length
D
Centering diameter
130 mm
Motor Size
112
Connection Type
Output connector
Product type
Servo Motor
Winding Code
027
Voltage Constant
150 V/krpm
Lubrication
Lubricated for life
Peak Current
105 A
Motor Type
Synchronous servo motor
Weight
80 kg
Frequently Asked Questions
What implications do the 48.0 Nm standstill torque and 70 Nm holding brake of MKD112D-027-GG3-AN have for vertical axes or intermittent clamp duties?
The continuous standstill torque supports static load sharing without thermal creep in Z-axes, while the 70 Nm brake supplies fail-safe holding during power loss. It mitigates back-driving risks in hoists, presses and elevator-style mechanisms.
Why is a plain shaft with shaft seal advantageous for MKD112D-027-GG3-AN in washdown-adjacent packaging zones?
The sealed plain shaft reduces ingress of moisture or particulates into bearing cavities and maintains lubricant integrity for aligning with IP-rated MKD configurations for harsher industrial environments. It diminishes maintenance intervals and helps preserve bearing preload and runout characteristics.
How do the 150 V/krpm voltage constant and 105 A peak current of MKD112D-027-GG3-AN map to drive-sizing in Diax04/Ecodrive systems?
The back-EMF constant sets DC-bus and PWM voltage utilization; 150 V/krpm demands adequate DC-link headroom at rated/characteristic speeds. Its 105 A peak defines current-loop saturation limits for drive selection and cable thermal ratings in Indramat Diax04/Ecodrive pairings.
How does lifetime lubrication in MKD112D-027-GG3-AN influence bearing L10 calculations and service planning?
The pre-filled, sealed bearings eliminate relubrication intervals, so endurance planning centers on L10 life from equivalent dynamic loads and duty cycles.
What is the significance of frame size 112, length D, and 130 mm centering diameter on MKD112D-027-GG3-AN for retrofit alignment?
Its size 112, with 192 mm flange and 130 mm pilot conforms to MKD mechanical standards for simplifying drop-in replacement and coupling alignment. Its length D correlates with higher continuous torque variants within the frame.
Common Misspellings
MKD 112D-027-GG3-AN
MKD-112D-027-GG3-AN
MKD112D-O27-GG3-AN
MKD112D027GG3AN
MKD112D 027 GG3 AN
mkd112d-027-gg3-an
Internal Product Review
The Bosch Rexroth Indramat’s MKD112D-027-GG3-AN servo motor pairs a plain-shaft that has a sealing ring with a resolver (RSF) feedback for reliable relative positioning. It supplies 48 Nm at standstill and it is equipped with a 70 Nm brake system. Its torque constant is specified as 150 V/krpm and its peak current usage reached up to 105 A in overload conditions. This unit is suitable for machine tools, packaging, printing and automated handling lines.
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