MKD090B-058-GP0-KN Bosch Rexroth Indramat
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MPN: R911278627
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The Bosch Rexroth Indramat MKD090B-058-GP0-KN is a servo motor from the MKD Synchronous Motors series with a flange size of 140 mm and a centering diameter of 110 mm. It provides a continuous torque at standstill of 12.0 Nm and features a shaft with keyway, shaft seal, and resolver feedback for position detection. The connection is made through a connection box on Side B, and the motor comes without a holding brake.
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Product Description:
The MKD090B-058-GP0-KN servo motor is manufactured by Bosch Rexroth Indramat and belongs to the MKD Synchronous Motors series. It provides electromechanical conversion for positioning and velocity regulation in industrial automation lines. The unit integrates resolver feedback and a keyed output shaft so that drive controllers can close motion loops with low latency. Its square mounting flange allows direct coupling to gearboxes or machine frames without additional adapter plates. This arrangement supports compact axis layouts in machinery that requires accurate rotary motion and stable mechanical alignment.
During installation, the motor seats into a centering recess that measures 110 mm in diameter, a dimension that keeps the rotor axis aligned with driven equipment. Electrical and feedback conductors exit on side B, and the sealed connection box encloses the terminals against dust and oil mist. A square flange of 140 mm provides a consistent bolt pattern for direct mounting to machine structures. Under continuous stall conditions, the stator can sustain 12.0 Nm of torque, allowing the axis to support static loads without thermal derating. Heat generated in the copper windings is transferred through the aluminum housing, permitting continuous operation within the permitted temperature range.
The internal stator is wound to code 058, which matches the motor to compatible Indramat drive controllers in the 090 frame class. Rotor motion is monitored by resolver feedback (RSF), providing analog sine-cosine signals for the drive to generate relative position data. Because the assembly is supplied without a holding brake, any power-off load retention must be handled by external mechanics or drive torque. The output element is a shaft with a keyway protected by a shaft seal, so lubricants cannot migrate into the bearing cavity. Length designation B keeps the overall motor housing compact while still accommodating the magnetic stack needed for its rated stall torque.
Frequently Asked Questions about MKD090B-058-GP0-KN:
Q: What type of encoder does the MKD090B-058-GP0-KN servo motor use?
A: The MKD090B-058-GP0-KN utilizes resolver feedback (RSF) for position detection.
Q: What is the continuous torque at standstill for the MKD090B-058-GP0-KN?
A: This motor provides a continuous torque of 12.0 Nm at standstill.
Q: What type and direction of connection does the MKD090B-058-GP0-KN feature?
A: The connection for this motor uses a side B-mounted connection box.
Q: Does the MKD090B-058-GP0-KN servo motor include a holding brake?
A: This model is manufactured without a holding brake.
Q: What type of shaft design and protection does the MKD090B-058-GP0-KN offer?
A: The MKD090B-058-GP0-KN is equipped with a shaft with keyway and includes a shaft seal.
