R911309374 (MKD025B-144-GP1-UN)

MKD Synchronous Motors

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The Bosch Rexroth R911309374 (MKD025B-144-GP1-UN) is a servo motor designed for precise industrial applications requiring dynamic motion at high speeds. It features a 54 mm DIN 42948-compliant flange, 40 mm centering diameter, and a shaft with keyway, along with a shaft seal and a holding brake capable of 1 Nm torque. The resolver feedback (RSF) system provides relative position detection. This motor has four pole pairs, winding inductance of 3.7 mH per winding, continuous standstill torque of 0.9 Nm, and a minimum rotor inertia for rapid acceleration and deceleration. The maximum speed is 9000 rpm, nominal speed up to 4500 rpm, peak current 23 A, and torque constant approximately 1.39 Nm/A. Motor length is designated as B, weight is 2 kg, and connection is turnable within 270°. Rated power ranges from 0.4 to 0.8 kW. Operating temperature range is 0–40°C. No additional design variants are specified.

Technical Specifications

Company
Bosch Rexroth

Used For
Automation Applications

Control Capability
Speed, Torque, Position

Flange Design
In accordance with DIN 42948 standards

Maximum Speed
9000 rpm

Peak Current
23 A

Pole Pairs
4

Winding Inductance
3.7 mH per winding

Weight
2 kg

Torque at Standstill
1 Nm

Operating Temperature Range
0-40ᵒC.

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Internal Product Review

The MKD025B-144-GP1-UN is a dynamic performance motor. Its versatile speed range allows fast and slow speed cycles without compromising torque delivery. However, the integration of a holding brake may add bulk to the unit, complicating tight installations.

1620 Old Apex Road
Cary, NC 27513, USA

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

Fax: 1-919-867-6204

[email protected]

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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

Phone

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.