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R911283309 (MHD090B-058-PG1-UN)

MHD Synchronous Motors

Rated 4.1 stars (8 total reviews)

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The Bosch Rexroth R911283309 (MHD090B-058-PG1-UN) is a synchronous servo motor with a permanent magnet core and a 4-pole electrical design. It supports both naturally cooled and surface-cooled configurations, with rated torque up to 13.4 Nm and power output up to 7.0 kW, depending on the cooling method. The motor operates at a rated speed of 4,000 RPM and 267 Hz. Key features include a plain shaft with shaft seal, absolute position detection (over 4096 revolutions) via a digital multiturn encoder, and an 11.0 Nm holding brake. The housing features a liquid cooling system and a 140 mm flange size, 110 mm centering diameter, and 14 kg weight. Power and feedback connections are provided by turnable connectors within a 270° range.

Technical Specifications

Product Range
MHD Synchronous Motors

Design
Maintenance-Free Brushless

Core
Permanent Magnet

Cooling Options
Naturally Cooled; Surface Cooled

Rated Torque (Naturally Cooled 60K)
4.2Nm

Rated Performance (Naturally Cooled 60K)
2.1kW

Rated Torque (Naturally Cooled 100K)
8.9Nm

Rated Performance (Naturally Cooled 100K)
4.9kW

Rated Torque (Surface Cooled)
13.4Nm

Rated Performance (Surface Cooled)
7.0kW

Nominal Speed
4,000 RPM

Rated Frequency
267 Hz

Number of Poles
4 poles

Weight
14 kg

Encoder Type
High Accuracy Multiturn Absolute Encoder

Holding Brake
11.0Nm

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1620 Old Apex Road
Cary, NC 27513, USA

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Indramat USA 1 Year Warranty

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North Carolina Office

Indramat USA
1620 Old Apex Road
Cary, NC 27513
USA

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Toll Free: 1-888-551-3082
International: 1-919-443-0207

Indramat USA sells factory new and pre-owned surplus products and maintains channels to procure supply. Indramat USA is not affiliated with nor an authorized distributor or representative of any manufacturers, brands or products listed. Designated trademarks, brand names, and brands appearing herein are the property of their respective owners.