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R911276305 (MHD093C-058-NG0-BN)

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
The R911276305 (MHD093C-058-NG0-BN) is a servo motor from Bosch Rexroth, engineered for industrial applications. This unit features a 093 frame size, C motor length, and a flange measuring 140/150 mm with a centering diameter of 130 mm. It is equipped with winding code 058 and has a plain shaft (32 mm diameter, 58 mm protrusion) with a shaft seal. The power connector is oriented toward side B. The motor supports both natural convection and liquid cooling, providing a peak current rating of 83.5 A and achieving rotational speeds between 2500 and 4500 RPM. Digital servo feedback (HSF) enables relative position detection. The unit does not include a holding brake, delivers a continuous standstill torque of 23.0 Nm, weighs 23.5 kg, and meets DIN VDE 0530 insulation class F. The approved ambient operating temperature range is 0 to 40°C.

Technical Specifications

Frame Size
093

Frame Length
C

Winding Code
05

Motor Length
396 millimeters

Centering Diameter
130 millimeters

Flange Size
140 millimeters

Mounting Holes
Four 11-millimeter

Shaft Style
Plain with sealing ring

Flange Diameter
32 millimeters

Shaft Outside Motor Housing
58 millimeters

Power Connector Output Direction
Side B

Cooling Type
Natural convection or liquid cooling

Standstill Continuous Torque (60K)
23 Nm

Standstill Continuous Current (60K)
18.5 Amps

Standstill Continuous Torque (100K)
28 Nm

Standstill Continuous Current (100K)
24.5 Amps

Standstill Continuous Torque (60/100 K, liquid cooling)
43.7 Nm

Standstill Continuous Current (60/100 K, liquid cooling)
35.2 Amps

Peak Current
83.5 Amps

Rated Motor Speed
2500 RPM

Peak Motor Speed
4500 RPM

Feedback
Digital servo feedback

Holding Brake
Not included

Shipping Weight
23.5 kilograms

Ambient Temperature Range
0 to 40 degrees Celsius

Insulation Class
F.

Why is a digital servo feedback (HSF) encoder used in the MHD093C-058-NG0-BN?

The HSF encoder provides precise and fast position feedback, ensuring smoother motion control. It helps reduce position errors and improves synchronization with the drive controller.

What are the benefits of having relative position detection in the MHD093C-058-NG0-BN encoder system?

Relative position detection allows the encoder to track motion changes efficiently during runtime. It simplifies setup and reduces initialization time in repetitive tasks.

Why is winding code 058 used in the MHD093C-058-NG0-BN?

Winding code 058 is optimized for high torque performance at medium speeds. It ensures efficient current utilization and stable torque output under continuous operation.

How does the liquid cooling system in the MHD093C-058-NG0-BN improve motor efficiency?

The liquid cooling system enhances heat dissipation, allowing the motor to maintain optimal temperature during high-load operations. This results in higher continuous torque and longer component lifespan.

What is the advantage of using a plain shaft with a shaft seal in the MHD093C-058-NG0-BN?

The plain shaft design offers simple coupling with load systems, while the shaft seal protects against liquid or dust ingress. This combination increases reliability in demanding environments.

MHD093C058NG0BN

MHD093C 058 NG0 BN

mhd093c-058-ng0-bn

MHD93C-058-NG0-BN

Internal Product Review

The MHD093C-058-NG0-BN servo motor by Bosch Rexroth delivers 23.0 Nm continuous torque with liquid cooling and a plain shaft design. It uses digital servo feedback (HSF) with relative position detection and no holding brake. This motor suits applications in CNC machining, packaging lines, and printing automation systems.

Warranty

1-year-warranty
Indramat USA 1 Year Warranty

Repair

product repair We offer a repair service for the MHD093C-058-NG0-BN.
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