MKD090B-047-6P6-KN

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The Bosch Rexroth Indramat MKD090B-047-6P6-KN is a servo motor from the MKD Synchronous Motors series. It features a flange size of 140 mm, a centering diameter of 110 mm, and provides 12.0 Nm continuous torque at standstill. The motor includes a shaft with keyway and a connection box positioned at Side B.

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Product Description:

The MKD090B-047-6P6-KN is a servo motor manufactured by Bosch Rexroth Indramat for the MKD Synchronous Motors series. It is intended for use in industrial automation where rapid, repeatable rotary motion is required, such as coordinated axes on machine tools or material-handling cells. Coupled to a compatible drive, the motor converts commanded current into mechanical torque and speed while its stator windings, rotor magnets, and feedback elements maintain synchronous operation across the full working range.

The motor is machined to seat in a housing with a centering diameter of 110 mm, providing positional accuracy when aligned to adjoining equipment. A square flange measuring 140 mm carries the mounting holes and transfers reaction forces to the machine frame. At standstill it can deliver 12.0 Nm of continuous torque, allowing the axis to hold or slowly index moderate loads without overheating. All power and feedback leads exit on Side B, a layout that simplifies cable routing in cabinets laid out for right-hand service access. Terminations are made inside a sealed connection box, protecting joints from dust and coolant splash while enabling quick field replacement of pre-wired harnesses. The design length is coded as B, balancing thermal surface area against overall mass for medium-duty cycles.

The mechanical configuration is defined by motor size 090, giving a rotor diameter that supports higher inertia loads without overshoot. A keyed output, specified as a shaft with keyway, permits positive drive to pulleys or couplings. A dedicated shaft seal is fitted to restrict lubricant migration and block airborne contaminants, extending bearing life in harsh plant environments. Electrical characteristics align with winding code 047, so the associated drive must supply the designated voltage and current profile to reach peak performance while remaining within the thermal limits outlined earlier.

Brake Option
No Brake
Centering diameter
110 mm
Connection Direction
Side B
Connection Type
Connection box
Continuous Torque at Standstill
12.0 Nm
Cooling Method
Natural Convection
Feedback Type
Resolver Feedback
Flange size
140 mm
Housing Design
Standard
Motor Feedback
Resolver Feedback with integrated multiturn absolute encoder
Motor Length
B
Motor Size
090
Operating Voltage
340 V
Other Design
none
Power Connection
Right Connector
Product type
Servo Motor
Protection Class
IP65
Rated Speed
6000 RPM
Shaft Design
Shaft with keyway
Shaft Seal
Yes
Synchronous Servo Motor
MKD
Torque (peak)
18.0 Nm
Winding Code
047
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  • mkd090b0476p6kn
  • MKDO90B-047-6P6-KN
  • MKD09OB-047-6P6-KN
  • MKD0908-047-6P6-KN
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  • MKD090B-047-GP6-KN
  • MKD090B-047-6PG-KN
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  • MKD090B-47-6P6-KN
  • MKD090B047-6P6-KN
  • MKD090B-0476P6-KN
  • MKD090B0476P6-KN
  • MKD090B-047-6P6KN
  • MKD090B047-6P6KN
  • MKD090B-0476P6KN

Internal Product Review

  • ‘‘The MKD090B-047-6P6-KN is a Bosch Rexroth Indramat servo motor from the MKD Synchronous Motors series, featuring a robust 12.0 Nm continuous torque at standstill and a reliable shaft with keyway design. Its connection box on Side B and integrated shaft seal provide added versatility and protection. This motor is well-suited for demanding industrial automation applications.’’

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