R911298339 (MKD112C-058-KP0-AN)

MKD Synchronous Motors

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The R911298339 (MKD112C-058-KP0-AN) is a Bosch synchronous AC servo motor with a flange diameter of 192 mm and a motor length designated as size C. The motor provides continuous torque at standstill of 38.0 Nm and a peak torque of 67 Nm. It operates with a rated speed of 3500 RPM and features resolver feedback combined with an integrated multiturn absolute encoder for position detection exceeding 4096 revolutions. Shaft design includes a keyway per DIN 6885-1 standard with a sealing ring; the unit does not include a holding brake. The motor weighs 30 kg and utilizes an output connector as its connection type. Mounting is B3 orientation.

Technical Specifications

Overtemperature
60K and 100K

Rated RPM
2000

Rated Torque 60K
15.3 Nm

Rated Current 60K
15.2 Amps

Rated Power 60K
3.9 kW

Rated Voltage 60K
148 Volts

Rated Frequency 60K
133 Hz

Rated Torque 100K
16.9 Nm

Rated Current 100K
17.9 Amps

Rated Power 100K
8 kW

Rated Voltage 100K
260 Volts

Rated Frequency 100K
233 Hz

Flange Size
192 mm

Centering Diameter
192 mm

Motor Shaft Key
DI 6885-1

Sealing Ring Included
Yes

Power Connection Location
Side A

Holding Brake
Optional, not standard

Brake Holding Torque
70 Nm (optional)

Brake Current
1.29 Amps (optional)

Brake Weight
3.8 kg (optional)

Motor Weight
45 kg

Recommended Altitude
3300 feet

Ambient Temperature Range
0-40 degrees Celsius

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.

1620 Old Apex Road
Cary, NC 27513, USA

Toll Free: 1-888-551-3082
International: 1-919-443-0207

Fax: 1-919-867-6204

[email protected]

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Indramat USA 1 Year Warranty

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North Carolina Office

Indramat USA
1620 Old Apex Road
Cary, NC 27513
USA

Phone

Toll Free: 1-888-551-3082
International: 1-919-443-0207

Indramat USA sells factory new and pre-owned surplus products and maintains channels to procure supply. Indramat USA is not affiliated with nor an authorized distributor or representative of any manufacturers, brands or products listed. Designated trademarks, brand names, and brands appearing herein are the property of their respective owners.