R911268919 (MKD112B-073-KG0-BN)

MKD Synchronous Motors

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The Bosch Rexroth R911268919 (MKD112B-073-KG0-BN) is an industrial servo motor designed for integration with Rexroth drive control systems. It features a continuous torque output of 28.0 Nm at standstill and operates at a rated speed of 1500 RPM. The motor incorporates a plain shaft with shaft seal, does not include a holding brake, and uses resolver feedback with integrated absolute position detection exceeding 4096 revolutions. Electrical specifications include a voltage constant of 64.3 V/1000 RPM and insulation suitable for 0 to 50 volts, while thermal monitoring is provided by an integrated PTC. The unit's housing, finished in RAL 9005, offers IP65 protection and resistance to diluted acids. With a centering diameter of 130 mm, a length class B, and a motor inertia of 0.0084 kgm², it is compatible with planetary gears and auxiliary blower units for enhanced performance.

Technical Specifications

Continuous Torque at 60K Overtemperature
28 Nm

Continuous Torque at 100K Overtemperature
33 Nm

Voltage Compliance
0 to 50 Volts

Extra Feature
Can be used with additional blower units

Temperature Monitoring
Yes, with a PTC device

Power Connector
Yes, as a plug-in connector

Motor Housing Coating
Prime coat black (RAL 9005)

Compatibility
Planetary gears

Lubrication
Life-time lubrication

Availability
Global Shipping.

Frequently Asked Questions

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Internal Product Review

The MKD112B-073-KG0-BN offers functional performance with an extensive speed range. Its flange installation technique is easy to integrate, but some users may find the fixed power connection direction incompatible with their setups.