MSK070D-0300-NN-S1-UP0-NNNN Bosch Rexroth Indramat Keyed Shaft Optical Encoder Synchronous Motor
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MPN: R911315479
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The Bosch Rexroth Indramat MSK070D-0300-NN-S1-UP0-NNNN is a synchronous servomotor that is part of the MSK IndraDyn S Synchronous Motors series. This standard design motor has a motor size of 070 and length D, and uses natural convection for cooling. It features an optical singleturn encoder with Hiperface interface and a rotatable connector, and has a shaft with keyway.
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Product Description:
The MSK070D-0300-NN-S1-UP0-NNNN is an IndraDyn S synchronous servomotor in the MSK IndraDyn S Synchronous Motors series manufactured by Bosch Rexroth Indramat. It is an AC servo unit for closed-loop axis control in industrial automation, delivering precise torque and position feedback for packaging lines, pick-and-place gantries, and other coordinated motion tasks. As part of the modular MSK family, the MSK070D-0300-NN-S1-UP0-NNNN pairs with compatible IndraDrive converters to create responsive servo axes used in continuous-duty production cells.
The motor housing is cooled by natural convection, so heat leaves the frame without fans or liquid circuits, simplifying cabinet airflow calculations. Its feedback assembly relies on the Hiperface digital interface that transmits position and status data over two bidirectional conductors to the drive. Inside the encoder, an optical scanning system reads a disk divided into 128 signal periods, giving fine electrical commutation and medium-resolution positioning for most packaging and handling axes. The encoder connector is rotatable through 240°, allowing cable exits to be oriented within the machine envelope to clear guide rails or chain carriers.
Mechanical geometry follows the MSK frame code 070, while the D length class balances torque capacity against inertia for versatile mid-range drives. Winding code 0300 sets resistance and inductance so the motor pairs with standard 400 V IndraDrive inverters without derating. The feedback is a single-turn variant, supplying absolute position for one mechanical revolution, and multi-turn data must come from the drive counter if required. A hardened shaft with a keyway secures pulleys or couplings, and the motor is shipped without a holding brake, enabling external clamps where zero-power holding torque is necessary.
