R911283001 (MHD093C-058-NG0-RN)

Name: R911283001 (MHD093C-058-NG0-RN)
Brand: Indramat Motors
SKU: MHD093C-058-NG0-RN
Price: 622.00 USD
Availability: InStock

MHD Synchronous Motors

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The Bosch Rexroth synchronous servo motor R911283001 (MHD093C-058-NG0-RN) features a liquid-cooled housing and is equipped with a digital servo feedback encoder for relative position detection. It has a rotor moment of inertia of 0.00030 kg·m², a maximum speed of 4500 RPM, and a rated speed of 2500 RPM. The flange size measures 140/150 mm, centering diameter is 130 mm, and the plain shaft is fitted with a seal. The assembly has a continuous stall torque of 23.0 Nm and a characteristic speed of 3000 RPM. The overall device weighs 23.5 kg and offers an IP65 protection rating. Power connection is via a connector oriented to the right. The motor does not include a holding brake.

Technical Specifications

Cooling Method
Liquid/Natural Convection

Rotor Moment of Inertia
0.00030 kg m2

Maximum Speed
4500 RPM

Weight
23.5 kilograms

Theoretical Maximum Torque
88 Nm

Time Constant (Natural Convection)
75 minutes

Time Constant (Liquid Cooling)
25 minutes

Motor Power Wires Cross-Section (Liquid Cooling)
4mm2

Motor Power Wires Cross-Section (Natural Convection, 100K Overtemperature)
2.5mm2

Motor Power Wires Cross-Section (Natural Convection, 60K Overtemperature)
1.5mm2

Rated Speed
2500 RPM

Characteristic Speed
3000 RPM

Continuous Stall Torque (Natural Convection, 60K Overtemperature)
23 Nm

Continuous Stall Current (Natural Convection, 60K Overtemperature)
18.5 Amps

Continuous Stall Torque (Natural Convection, 100K Overtemperature)
28 Nm

Continuous Stall Current (Natural Convection, 100K Overtemperature)
24.5 Amps

Digital Servo Feedback Support
Yes

Motor Connector
Right-Side

Holding Brake
Not available

Motor Shaft
Plain with Seal

Housing Rating
IP65 rated

Continuous Stall Torque (Liquid Cooling, 60/100K Overtemperature)
43.7 Nm

Continuous Stall Current (Liquid Cooling, 60/100K Overtemperature)
35.2 Amps

Frequently Asked Questions

Does the liquid cooling system in the MHD093C-058-NG0-RN improve its thermal efficiency?

Yes, the liquid cooling system maintains stable temperatures under heavy loads, allowing continuous torque output without overheating.

How does the plain shaft design of the MHD093C-058-NG0-RN enhance coupling performance?

The plain shaft ensures direct mechanical connection with driven elements, minimizing backlash and ensuring smoother torque transmission.

Do the digital servo feedback (HSF) encoders in the MHD093C-058-NG0-RN enhance control precision?

Yes, they provide high-resolution feedback that enables accurate synchronization and improved servo control accuracy in automation systems.

Does the shaft seal in the MHD093C-058-NG0-RN protect against external contamination?

Absolutely, it prevents liquid or dust ingress into the motor housing, ensuring reliable operation and longer service life.

Why does the MHD093C-058-NG0-RN use a relative position detection system instead of an absolute one?

It simplifies system setup and reduces cost while still providing accurate motion tracking for applications that perform homing routines.

Common Misspellings

MHD093C058NG0RN

MHD093C 058 NG0 RN

mhd093c-058-ng0-rn

MHD93C-058-NG0-RN

Internal Product Review

The Bosch Rexroth MHD093C-058-NG0-RN servo motor is used in packaging, robotics, and CNC machining for precise motion control. It delivers 23.0 Nm continuous torque with liquid cooling and digital servo feedback (HSF). Its plain shaft and right-side power connector allow smooth setup in automation systems.