R911288473 (MKD112C-058-KP0-BN)
MKD Synchronous Motors
Technical Specifications
Speed Rating
4000 RPM
Torque Rating
38 Nm
Cooling Type
Surface cooled and convection cooled
Flange Size
192 millimeters
Centering Diameter
130 millimeters
Shaft Type
Shaft with key and sealing ring
Motor Power Connector Location
Side B
Pole Pairs
4
Winding Inductance
5.65 millihenry
Winding Resistance
0.35 Ohms
Peak Current Rating
142.2 Amps
Torque Constant
1.7 Nm/A
Voltage Constant
154.5 Volts / 1000 RPM at 20 degrees Celsius
Theoretical Maximum Torque
187 Nm
Thermal Time Constant
90 minutes
Protection Rating
IP 65
Frequently Asked Questions
How do the 192 mm flange and 130 mm centering diameter influence alignment tolerance and dynamic accuracy in gantry or spindle applications?
The pilot (centering) diameter defines concentricity, its accurate fit reduces eccentricity-induced runout that stabilizes servo gains. Its larger flange improves joint stiffness to help reject bending moments from belt or pinion overhang.
Which drives and interfaces typically pair with MKD112C-058-KP0-BN, and what encoder-interface requirements exist?
The MKD motors are used with DDS/DKS/DKC/HDS/HDD drives, its resolver electronics supply position plus motor data memory to simplify commissioning. It supports drives with resolver/absolute transfer and the correct DC-bus for the 058 winding.
How should motion profiles exploit the 38 Nm standstill continuous torque on MKD112C-058-KP0-BN without exceeding thermal or current limits?
The shape S-curve profiles of peak current windows follws drive limits by using velocity feed-forward and jerk constraints. It monitors I²t and its housing temperature models avoid prolonged stall beyond continuous torque.
What does connector orientation code (e.g., “BN”) mean for MKD112C-058-KP0-BN and how does it impact EMC and routing?
The orientation of side B affects cable bend-radius planning, shielding continuity and strain relief in dense cabinets. It maintains short and segregates motor/encoder runs.
How does the resolver with integrated multi-turn absolute measurement (>4096 revolutions) on MKD112C-058-KP0-BN improve loop stiffness and disturbance rejection versus incremental encoders?
It eliminates homing, supplies absolute multi-turn position on power-up and preserves deterministic phasing for current control. Its integrated electronics present high-resolution position to the drive to improve velocity/position loop bandwidth under load transients.
Common Misspellings
MKD 112C-058-KP0-BN
MKD-112C-058-KP0-BN
MKD112C-O58-KPO-BN
MKD112C058KP0BN
MKD112C 058 KP0 BN
mkd112c-058-kp0-bn
Internal Product Review
The Bosch’s MKD112C-058-KP0-BN servo motor features a 192 mm flange and 130 mm pilot with a keyed, sealed shaft and standard cooling. Its resolver feedback with integrated multi-turn absolute revolutions of 4096 aids in precise positioning. This motor has a stanstill torque rating of 38 Nm and it comes without a brake. It is widely used in systems such as packaging, printing and handling.
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