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R911288402 (MHD115A-058-NP1-BA)

MHD Synchronous Motors

  In-Stock, Ships 3-5 Days
Expedited Lead Times on Select Parts
1 Year Warranty Included
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Expedited Lead Times on Select Parts
1 Year Warranty Included
Free Ground Shipping

Current response time:

5 Minutes 50 Seconds

The Bosch Rexroth R911288402 (MHD115A-058-NP1-BA) is a synchronous servo motor with electric and electronic commutation, incorporating a permanent magnet rotor. Conforming to B05 design per DIN 42950, it features a housing with natural convection cooling, keyed shaft with shaft seal, and flange size of 192 mm (centering diameter 180 mm). The motor provides 32.0 Nm continuous torque at standstill, 7.1 Nm rated torque, and operates at 133 Hz rated frequency. Equipped with a digital servo feedback encoder (HSF) for relative position detection, it includes a holding brake rated at 70.0 Nm. Installation requires M12 screws tightened to 87 Nm.

Technical Specifications

Commutation Type
Electric and Electronic

Rotor Type
Permanent Magnets

Size Code
115

Compliance
B05 design (DIN 42950)

Flange Fitting
Four M12 size screws

Tightening Torque
87Nm

Operation
Maintenance-free

Design
Brushless

Bearings
Grease-lubricated

Rated Torque
7.1Nm

Rated Frequency
133Hz (at 60K with natural convection cooling)

Power Connector Type
Bayonet lock

Additional Features
Fitted O-ring between housing and flange socket

Regular Maintenance
Connection lines check and replacement if needed

Common Usage
Machine Tools

Why is digital servo feedback important for motion accuracy?

The feedback device measures rotor position in real time. The continuous monitoring allows precise synchronization between command and motion output.

How does the relative position feedback affect system startup calibration?

The motor must reference a home position at startup for accurate alignment. The calibration ensures consistent positioning with the external control system.

How does winding code selection influence current efficiency?

The winding configuration defines the motor’s electrical to mechanical conversion ratio. The optimized design improves torque consistency and reduces heat buildup.

Why is shaft sealing crucial in industrial environments?

The seal keeps dust and liquid away from internal bearings. The protection extends motor life and maintains reliability under harsh working conditions.

How does side B power connection assist in cabinet layout design?

The connector position allows direct cable routing along the mounting plane. The arrangement simplifies wiring and improves accessibility during maintenance.

MHD115A058NP1BA

MHD115A 058 NP1 BA

mhd115a-058-np1-ba

Internal Product Review

The Bosch Rexroth Indramat MHD115A-058-NP1-BA servo motor uses natural convection cooling with a keyed shaft and 70 Nm brake capacity. Offering reliable feedback through digital servo sensors, it supports accurate positioning in textile production, assembly machinery, and industrial conveyor operations requiring controlled motion sequences.

Warranty

1-year-warranty
Indramat USA 1 Year Warranty

Repair

product repair We offer a repair service for the MHD115A-058-NP1-BA.
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