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R911277757 (MHD090B-035-NG0-UN)

MHD Synchronous Motors

Rated 4.8 stars (8 total reviews)
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1 Year Warranty Included
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Expedited Lead Times on Select Parts
1 Year Warranty Included
Free Ground Shipping

Current response time:

4 Minutes 12 Seconds

The Bosch Rexroth R911277757 (MHD090B-035-NG0-UN) is a servo motor designed for precision automation tasks, supporting natural, surface, or liquid housing cooling types. The operating speed is 2500 min⁻¹. Continuous torque at standstill is 12.0 Nm with natural cooling and increases to 16.5 Nm with surface cooling. Peak current is 49.5 A. The motor supports four pole pairs and uses a digital servo feedback (HSF) encoder for relative position detection. It has a plain shaft with seal, motor size 090 with length B, centering diameter 110 mm, and flange size 140 mm. Power connections use turnable connectors within a 270° range.

Technical Specifications

Cooling System
Natural, Liquid, Surface

Over-Temperature (Natural Cooling)
60K to 100K

Over-Temperature (Liquid and Surface Cooling)
60K/100

Normal Motor Speed
2500 min-1

Continuous Torque (Natural Cooling)
12 -13.5 Nm

Continuous Torque (Surface Cooling)
16.5 Nm

Peak Current
49.5A

Continuous Current (Natural Cooling)
11A -12.5A

Continuous Current (Surface Cooling)
16.5 A

Torque Constant at 20°C
1.22Nm/A

Voltage Constant
111.0 V/1000min-1

Winding Resistance
1.88 Ohms

Winding Inductivity
15.5mH

Pole Pairs
4

Rated Torque (Natural Cooling)
7.2 Nm -10.2 Nm

Rated Torque (Surface Cooling)
15.0Nm

Rated Speed
3000 min-1

Rated Current (Natural Cooling)
4.7-6.7A

Rated Current (Surface Cooling)
9.7A.

Can the MHD090B-035-NG0-UN be installed in tight enclosures with limited wiring space?

Yes, its 270° turnable power connection simplifies routing in compact panels. This design reduces strain on cables and enhances maintenance access.

How does the liquid-cooled housing impact performance stability?

Liquid cooling enables the motor to maintain torque output during sustained high-load cycles. It also minimizes thermal stress, extending component life in heat-sensitive environments.

What makes this motor suitable for CNC machining and robotics?

Its precise servo feedback and relative position detection ensure smooth motion control. These features support accurate tool paths and repeatable positioning in multi-axis systems.

How does the winding code 035 influence motor behavior?

Winding code 035 is optimized for dynamic response and energy efficiency. It enhances torque rise time, making it suitable for rapid acceleration/deceleration cycles.

Can this motor be used in food packaging systems?

Yes, its sealed shaft and liquid cooling make it reliable for high-duty cycles often found in packaging lines. Ensure proper ingress protection depending on the hygiene level required.

MHD 090B 035 NG0 UN

MHD 090B-035-NG0-UN

MHD-090B-035-NG0-UN

MHD090B035NG0UN

MHDO9OB-O35-NGO-UN

MHD090B 035 NG0 UN

mhd090b-035-ng0-un

MHD90B-035-NG0-UN

Internal Product Review

The Bosch Rexroth Indramat MHD090B-035-NG0-UN from the MHD Synchronous Motors series is a servo motor engineered for precision automation and dynamic control. It employs a liquid-cooled housing and a turnable 270° power connector. Its 140 mm flange and integrated HSF digital feedback make it ideal for CNC machining, packaging lines, and robotic gantries.

Warranty

1-year-warranty
Indramat USA 1 Year Warranty

Repair

product repair We offer a repair service for the MHD090B-035-NG0-UN.
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