MKD041B-143-KG1-KN Bosch Rexroth Indramat
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MPN: R911295463
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The Bosch Rexroth Indramat MKD041B-143-KG1-KN is a servo motor from the MKD Synchronous Motors series featuring a flange size of 82 mm and a centering diameter of 50 mm. It provides continuous torque at standstill of 2.7 Nm and includes a resolver feedback with integrated encoder and an absolute position detection of greater than 4096 revolutions. The motor is equipped with a holding brake that delivers 2.2 Nm of torque and is rated for the IP65 protection category.
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Product Description:
The MKD041B-143-KG1-KN is a servo motor produced by Bosch Rexroth Indramat as part of the MKD Synchronous Motors series. In automated machinery, it serves as an electromechanical actuator that delivers controlled torque and speed under drive command, enabling coordinated motion in packaging lines, gantry stages, and robotics. Size code 041 and length code B give the motor a compact form that fits multi-axis layouts where installation space is limited. That footprint is useful where several servo axes are mounted close together on transfer systems or small machine modules.
Its mounting interface uses a 82 mm flange size and a 50 mm centering diameter, allowing straightforward alignment against gearboxes or machine frames. Power and feedback conductors are routed on Side B through a connection box, which helps keep cable routing organized when cabinets are located behind the motor. A plain shaft with a fitted seal helps block dust and spray, while the housing meets IP65 for use in washdown or particulate areas. The stator winding identified by 143 sets resistance and inductance values that match MKD drives. Continuous stall output reaches 2.7 Nm, so the axis can hold static loads without external gearing. Insulation class F supports winding temperatures up to 155 °C during normal operation.
For static safety, the motor includes a holding brake that provides 2.2 Nm of holding torque when the drive is disabled. Rotor position is measured with a resolver feedback package, and the feedback system reports absolute data over more than 4,096 revolutions, enabling homing-free startup. The internal mechanics achieve ±8 angular minutes of system precision, which supports mid-level positioning accuracy in pick units or index tables. Thermal and component limits are respected when the surrounding air is maintained between 0–40 °C.
Frequently Asked Questions about MKD041B-143-KG1-KN:
Q: What shaft configuration does the MKD041B-143-KG1-KN motor use?
A: This model offers a plain shaft design and includes a shaft seal for added protection against contaminants.
Q: What type of encoder is used in the MKD041B-143-KG1-KN motor?
A: The MKD041B-143-KG1-KN features resolver feedback with an integrated encoder for precise position detection.
Q: Does the MKD041B-143-KG1-KN motor include a holding brake, and what is its holding torque?
A: A holding brake with a torque of 2.2 Nm is included on this motor to support secure load holding when stationary.
Q: What is the continuous standstill torque for the MKD041B-143-KG1-KN motor?
A: The MKD041B-143-KG1-KN is rated for a continuous torque of 2.7 Nm at standstill, allowing for consistent performance during stationary operation.
Q: What is the permissible ambient temperature range for the MKD041B-143-KG1-KN?
A: This motor is rated for operation in ambient temperatures between 0 and 40°C, ensuring reliable use within these thermal limits.
