MKD112A-058-GP0-AN Bosch Rexroth Indramat
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MPN: R911308212
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The Bosch Rexroth Indramat MKD112A-058-GP0-AN is a servo motor from the MKD Synchronous Motors series with a continuous torque at standstill of 15.0 Nm and a resolver feedback encoder. It features a flange size of 192 mm, a centering diameter of 130 mm, and a shaft with keyway design with shaft seal. The motor has an output connector on Side A and does not include a holding brake.
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Product Description:
The MKD112A-058-GP0-AN is a rotary servo unit produced by Bosch Rexroth Indramat within the MKD Synchronous Motors series. It converts commanded current from a compatible drive into controlled shaft rotation for indexing tables, pick-and-place modules, and other motion axes that require accurate torque delivery and stable speed regulation during repeated cycles. This operating role makes it suitable for packaging, handling, and assembly equipment where the axis must respond quickly to changing commands. Integrated sensors relay rotor position to the associated drive, allowing tight feedback loops that reduce positional error, improve cycle repeatability, and support smooth response when the load changes during automated operation.
The stator winding code 058 gives the motor the electrical impedance and thermal characteristics needed to produce a continuous standstill torque of 15.0 Nm without exceeding rated temperature during normal duty. A rear-mounted resolver with Resolver feedback (RSF) supplies analog sine-cosine signals to the controller, providing rotor position information that supports closed-loop regulation from startup through low-speed operation. Mounting is based on a 192 mm square flange and a 130 mm centering pilot, which help align the housing with machine plates or gearboxes and keep the shaft centered under load. That mounting arrangement supports direct face mounting where concentricity between the motor and the driven element affects vibration and coupling life.
All service leads exit on Side A through an output connector, which keeps wiring on one side of the housing and simplifies routing in compact machine layouts. The motor uses a shaft seal to protect the mechanical interface, and torque is transmitted through a shaft with keyway so couplings, pulleys, or hubs can be secured against slip. This variant is supplied without a holding brake, so static load retention must be handled by the drive or by an external brake when the axis is stopped. The motor size of 112 with length class A places the unit in a medium-inertia format used on compact servo axes.
