R911262530 (MDD090B-N-040-N2M-110PB0)

MDD Synchronous Motors

Rated 4.1 stars (14 total reviews)

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The R911262530 (MDD090B-N-040-N2M-110PB0) is a Bosch Rexroth digital AC motor designed for integration with drive controllers. It features permanent magnet excitation, a keyway output shaft conforming to DIN 6885-1, and separate power and feedback connectors. The motor includes fixed and floating bearings, a B5 flange for horizontal or vertical mounting, and a 110 mm centering diameter. It operates within a 0°C to 45°C temperature range and meets DIN 40 050 specifications. Additional features are an integrated multiturn absolute encoder, digital servo feedback, a temperature sensor in the windings, and data storage for motor parameters. The motor provides continuous stall torque of 7.2 Nm, a nominal speed of 4000 min⁻¹, and includes a shaft seal. The shaft does not extend on side B and the unit is supplied without a holding brake.

Technical Specifications

Bearing Type
Fixed and floating

Output Shaft
With keyway as per DIN 6885-1

Excitation
Permanent magnets

Brake
None

Feedback
Position detecting rotor

Connectors
Power and feedback cables separate

Operating Temperature
0°C to 45°C

Manufacturing Standards
DIN 40 050

Excursion Amplitude
Maximum 0.3mm sinusoidal oscillations

Flange Design
Design B5

Mounting
Can be horizontal or vertical

Torque Transmission
Form-fitting

Load
Affected by external forces

Attachment
Blower needed for frequent start-stop operations

Speed
Approximately 100rpm for reseating process

Balance Class
Reduced

Electrical Connector Direction
To the A-side

Temperature Sensor
In windings

Encoder
For absolute indirect position detection

Data Storage
In motor feedback

Feedback Connector
Angle-style towards B side

Packaging
Rugged for transit

Frequently Asked Questions

Common Misspellings

Internal Product Review

The MDD090B-N-040-N2M-110PB0 is a highly precise motor designed for industrial applications like packaging, assembly and machine tools. It offers a 4000 min⁻¹ nominal speed and 7.2 Nm continuous torque at standstill to ensure high precision and reliability. It integrates a multiturn absolute encoder and digital servo feedback for advanced control. The motor’s standard housing and keyway shaft eases installation and couplings.