R911293671 (MHD112A-058-NP0-BN)
MHD Synchronous Motors
Technical Specifications
Functionality
Extended Scope
Performance
Scalable
Constant Torque at 20C
1.28 Nm/A
Voltage Constant
116.4 V/1000 min-1
Weight of Motor
23 kg
Protection Rating
IP65
Design
Brush-less, 4 pole pairs
Lubrication
Grease
Insulation Class
F
Color
Black
Ambient Temperature Requirement at 60K
314V
Ambient Temperature Requirement at 100K
332V
Cooling Type
Natural
Power Connection Location
B Side
Holding Brakes
No
Output Shaft Type
Key-way.
Frequently Asked Questions
How does liquid cooling in the MHD112A-058-NP0-BN improve motor performance?
Liquid cooling maintains stable operating temperatures under high loads, allowing continuous torque delivery without thermal derating. It also extends bearing and winding life by minimizing thermal cycling.
How does relative position detection affect system startup behavior?
Relative detection requires homing at startup to establish an absolute reference. This ensures repeatable positioning accuracy after power loss or shutdown.
How does a centering diameter of 130 mm influence mounting precision?
The centering diameter defines the alignment reference between motor and machine flange. Tight tolerances ensure low vibration and accurate shaft alignment during operation.
What maintenance advantages come from using liquid-cooled housing over air-cooled types?
Liquid systems require less airflow management and reduce contamination from dust or oil mist. They’re ideal in sealed environments where air cooling would be inefficient.
How does motor length “A” affect integration into automation equipment?
A shorter motor length allows tighter machine designs without sacrificing torque. It enables installation in linear actuators or compact mechanical frames.
Common Misspellings
MHD112A058NP0BN
MHD112A 058 NP0 BN
mhd112a-058-np0-bn
Internal Product Review
The Bosch Rexroth Indramat MHD112A-058-NP0-BN is a synchronous servo motor from the MHD series. It features liquid cooling, a keyed shaft, and digital servo feedback, and it delivers 15.0 Nm continuous standstill torque. It is used in CNC machinery, robotics, and printing automation systems for high-precision, continuous-duty motion control.
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