R911284699 (MKD112C-058-GG3-BN)
MKD Synchronous Motors
Technical Specifications
Motor size
112
Flange size
192 mm
Centering diameter
130 mm
Motor length
C
Continuous torque at standstill
38 Nm
Winding code
058
Feedback
Integrated Resolver
Holding brake rated torque
70 Nm
Holding brake weight
3.8 kg
Holding brake release delay
97 ms
Holding brake rated current
1.29 Amps
Power connector location
Side B
Shaft type
Plain with sealing ring
Number of pole pairs
4
Characteristic speed
4000 RPM
Rated speed (60K overtemperature)
2000 RPM
Rated speed (100K overtemperature)
3500 RPM
Maximum speed
4000 RPM
Theoretical maximum torque
148 Nm
Rated torque (60K overtemperature)
15.3 Nm
Rated torque (100K overtemperature)
16.9 Nm
Rated current (60K overtemperature)
15.2 Amps
Rated current (100K overtemperature)
17.9 Amps
Rated voltage (60K overtemperature)
148 Volts
Rated voltage (100K overtemperature)
260 Volts
Rated frequency (60K overtemperature)
133 Hertz
Rated frequency (100K overtemperature)
233 Hertz
Weight
45 kg
Recommended ambient temperature for operation
0 to 40 degrees Celsius
Installation
By trained personnel
Global shipment
Available
Frequently Asked Questions
What is the effect of the 0.019 kg·m² rotor inertia on servo tuning, jerk-limited profiles, and disturbance rejection when MKD112C-058-GG3-BN is paired with a modern 3-phase digital drive?
Its moderate inertia damps torsional resonances yet allows swift acceleration to improve command tracking without exciting structural modes. It S-curve motion and peak torque utilization rises while bounded jerk reduces stress and settling.
Why is radial cooling on MKD112C-058-GG3-BN advantageous compared with liquid or forced-air schemes for IP65 installations, and what thermal behavior occurs at sustained RMS torque?
The radial conduction through the stator housing preserves the sealed envelope and removes auxiliary fans to eliminate ingress paths and service points. Its predictable thermal constants enable conservative torque derating under limited airflow.
How does the integrated 70 Nm holding brake in MKD112C-058-GG3-BN influence vertical-axis safety, static stiffness, and restart repeatability after e-stop or power-loss events?
The normally-closed 70 Nm brake sustains load when torque production ceases to prevent back-driving on Z-axes and hoists. Its torque margin supports consistent clamp-release behavior to enable precise re-indexing and prevent position drift.
How should a plain shaft with integral seal on MKD112C-058-GG3-BN be coupled to minimize micro-slip and bearing preload under bidirectional torque reversals?
The backlash-free clamping hub or shrink-disc with proper surface finish and runout control. It maintains axial float per coupling datasheet to avoid transmitting thermal growth or misalignment into radial bearings.
What mounting and alignment considerations follow from the 130 mm centering diameter and MKD interface when adapting MKD112C-058-GG3-BN to gearheads or belt transmissions?
The employment of 130 mm pilot is to control concentricity that let bolts provide retention, not centering.
Common Misspellings
MKD 112C-058-GG3-BN
MKD-112C-058-GG3-BN
MKD112C-O58-GG3-BN
MKD112C058GG3BN
MKD112C 058 GG3 BN
mkd112c-058-gg3-bn
Internal Product Review
The Bosch Rexroth Indramat’s MKD112C-058-GG3-BN servo motor is built to offer 38 Nm standstill torque. It has a built-in 70 Nm brake system and it relies on on RSF resolver feedback. This unit possess an IP65 housing and side-B power orientation. It has a sealed plain shaft and uses radial cooling to manage temperature. Its inertia value is specified as 0.019 kg·m² to support agile profiles in packaging, printing and food handling.
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