R911299038 (MHD071B-061-NP3-UN)

Name: R911299038 (MHD071B-061-NP3-UN)
Brand: Indramat Motors
SKU: MHD071B-061-NP3-UN
Price: 468.00 USD
Availability: InStock
Rating: 4.1 (8 reviews)

MHD Synchronous Motors

Rated 4.1 stars (8 total reviews)

Front Right

In-Stock, Ships 1-2 Days

Expedited Lead Times on Select Parts
1 Year Warranty Included
Free Ground Shipping

Phone

Part Number

+Add a message

Message

Request a Replacement

Request a Repair

Quote Both

Expedited Lead Times on Select Parts
1 Year Warranty Included
Free Ground Shipping

Current response time:

6 Minutes 21 Seconds

Phone:
1-888-551-3082

Email:
sales@indramat-usa.com

The Bosch Rexroth MPN R911299038 (MHD071B-061-NP3-UN) is a synchronous servo motor from the MHD series, with a motor size of 071, flange size of 115 mm, and centering diameter of 95 mm. It features a B length housing, is equipped with a keyed shaft and shaft sealing ring, and provides continuous torque at standstill of 8.0 Nm. This unit includes a 10.0 Nm holding brake operating at 24 VDC, 0.65 Amps, and supports liquid cooling. The integrated encoder is a digital servo feedback type supporting relative position detection. Power and feedback connectors are turnable over 270°. The motor complies with insulation class F and IP65 rating. Storage temperature is -20°C to 80°C, while allowable operational temperature (under load) is 0°C to 40°C at installation altitudes below 1000 m.

Technical Specifications

Frame Size
71

Flange Size
115 millimeters

Centering Diameter
95 millimeters

Frame Length
B

Continuous Torque at Standstill
8.0 Nm

Integrated Encoder System
Yes

Position Detection
Relative

Motor Shaft
With keyway and shaft sealing ring

Holding Brake
Yes

Brake Holding Torque
10 Nm

Brake Voltage
24 Volts DC

Brake Current
0.65 Amps

Moment of Inertia
10.7 x 10-4 kg m2

Brake Connection Time
26 milliseconds

Brake Disconnection Time
43 milliseconds

Brake Weight
0.7 kilograms

Electrical Power Connector Rotation
270 degrees

Recommended Ambient Temperature for Storage
-20 to 80 degrees Celsius

Recommended Ambient Temperature for Operation
0 to 40 degrees Celsius

Cooling Method
Surface cooling and natural convection

Environmental Protection Rating
IP65

Insulation Class
F

Recommended Installation Altitude
Less than or equal to 3280 feet

Shipping
Global

Frequently Asked Questions

How does the liquid cooling in MHD071B-061-NP3-UN affect its duty cycle in dense machinery setups?

Liquid cooling allows higher thermal dissipation, enabling longer continuous operation without derating. This makes it suitable for compact systems with limited airflow.

How does the holding brake torque impact vertical axis applications?

A 10.0 Nm holding brake can securely maintain load position on vertical axes during power-off. It helps prevent mechanical back-driving in gravity-loaded systems.

Can the keyed shaft design of the MHD071B-061-NP3-UN handle reversing loads?

Yes, the keyed shaft prevents slippage under bi-directional torque. It's ideal for precision motion applications involving frequent direction changes.

Can this motor be used in washdown or contaminant-prone environments?

The shaft seal offers protection against ingress, but full IP-rated enclosure and cable sealing must be ensured externally. It's not designed for direct washdown without additional housing.

What factors should be considered when matching a servo drive to the MHD071B-061-NP3-UN?

Ensure compatibility with winding code 061 and digital HSF encoder. The drive must support required peak and continuous current ratings under liquid-cooled conditions.

Common Misspellings

MHD 071B 061 NP3 UN

MHD 071B-061-NP3-UN

MHD-071B-061-NP3-UN

MHD071B061NP3UN

MHD07IB-06I-NP3-UN

MHDO71B-O61-NP3-UN

MHD071B 061 NP3 UN

mhd071b-061-np3-un

MHD71B-061-NP3-UN

Internal Product Review

The MHD071B‑061‑NP3‑UN is a synchronous servo motor from Bosch Rexroth Indramat. It features 95 mm centering, keyed shaft, liquid‑cooled housing, and HSF digital feedback. It is commonly used in industrial automation systems, CNC machines and precision robotics where locked‑axis holding and high positional control are required.