MKD112C-058-KP0-AN

MKD Synchronous Motors

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The Bosch Rexroth Indramat MKD112C-058-KP0-AN is a synchronous motor in the MKD Synchronous Motors series, delivering 12.5 kW at 300 V with 38.0 Nm continuous torque and featuring resolver feedback w/ integrated encoder for absolute (>4096 revs) detection, a shaft with keyway, a 192 mm flange and a 20,000 h service life.

Technical Specifications

Shaft Design
Shaft with keyway

Shaft Seal
Yes

Holding Brake
Without holding brake

Other Designs
None

Encoder Type
Resolver feedback w/ integrated encoder

Position Detection
Absolute (>4096 revs)

Continuous Torque at Standstill
38.0 Nm

Motor Length
C

Flange size
192 mm

Motor Size
112

Connection Direction
Side A

Product type
Servo Motor

Winding Code
058

Cooling Type
Natural Cooling

Rated Power
12.5 kW

Service Life
20,000 hours

Rated Voltage
300 V

Motor Type
Synchronous Motor

Frequently Asked Questions

What integration advantages arise from the shaft-with-keyway and shaft seal on MKD112C-058-KP0-AN?

The keyed interface simplifies positive-drive couplings and repeatable phasing of timing pulleys or rigid hubs. Its dedicated seal mitigates ingress of lubricants and particulates to preserve bearing preload and encoder signal fidelity during aggressive washdown or dusty duty.

How does the MKD112C-058-KP0-AN’s 192 mm flange geometry aid precision mechanics and alignment?

The 192 mm square flange and centering pilot provide repeatable datum references for reducing stack-up errors with gearheads or belt stages. Its geometry supports high bolt-circle stiffness for low-settling-time motion profiles in synchronized axes.

What coupling considerations reduce micro-misalignment–induced bearing loads on the MKD112C-058-KP0-AN keyed shaft?

The use of a zero-backlash beam or bellows coupling sized for 38 Nm continuous torque with axial and angular compliance. It maintains precise concentricity at the 192 mm flange pilot to limit parasitic radial forces that elevate bearing temperature.

Why can connection “Side A” orientation matter for EMC and encoder signal fidelity?

The shorter motor-lead and feedback routing on the drive-facing side reduces loop area and common-mode coupling. Its segregating power and resolver cables with proper shield termination preserves sine/cosine integrity and mitigates phase jitter in absolute position.

What approach validates the 38.0 Nm standstill rating in intermittent packaging cycles without overheating?

The copper and iron losses at commanded torque are important to consider, then apply thermal time constants to evaluate transient temperature rise. It correlates the model with drive thermal estimators and checks that steady-state remains below insulation and bearing limits.

Common Misspellings

Internal Product Review

The Rexroth Indramat’s MKD112C-058-KP0-AN servo motor is rated for a power consumption of 12.5 kW and it operates from a 300 V supply source. It generates 38 Nm of stationary torque and it depends on natural cooling for thermal management. This unit uses resolver feedback with absolute detection to supports precision in machine tools, printing, packaging and food processing environments. It possesses a keyed shaft and 192 mm flange size.