MSK070E-0300-NN-S2-UP0-RNNN Bosch Rexroth Indramat
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MPN: R911324309
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The Bosch Rexroth Indramat MSK070E-0300-NN-S2-UP0-RNNN is a synchronous servomotor from the MSK IndraDyn S Synchronous Motors series. It uses natural convection cooling and features an increased concentricity design. This motor is equipped with an optical EnDat2.1 singleturn encoder with 2048 signal periods and a rotatable connector. It has a shaft with keyway and does not include a holding brake.
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Product Description:
The MSK070E-0300-NN-S2-UP0-RNNN is a synchronous servomotor produced by Bosch Rexroth Indramat and supplied as part of the MSK IndraDyn S Synchronous Motors series. The motor functions as a compact drive element that converts electrical energy from an IndraDrive amplifier into regulated rotary motion for automated machinery. Its 070 frame size and E length allow it to deliver medium continuous torque in confined mounting spaces common on multi-axis systems.
A passive cooling scheme based on natural convection dissipates winding heat through the housing surface, so no external fan or liquid circuit is required. The rotor is machined for increased concentricity, minimizing radial runout and supporting precise coupling alignment. Position feedback is transmitted through the EnDat2.1 digital interface, giving the drive absolute position data and electronic nameplate information over a bidirectional serial channel. The integrated optical encoder resolves motion into 2048 signal periods per revolution; with interpolation in the drive, this equates to sub-arcminute command resolution. The sensing principle uses an optical grating and LED assembly, providing low-jitter signals suitable for high-bandwidth servo loops.
The feedback connector is a 240° rotatable connector that permits cable exit to be oriented without twisting conductors during installation. Absolute angle information is delivered as a single-turn value, which is sufficient for axes that home at power-up rather than track multi-revolution travel. Mechanical power is transferred through a shaft with a keyway, which simplifies coupling to pulleys or gearboxes while preventing slip under cyclic torque. The electromagnetic system follows winding code 0300, a designation that links resistance and inductance values to the matching IndraDrive current ratings. The motor is supplied without a holding brake, so static load retention must be provided by the drive or external mechanics.
Frequently Asked Questions about MSK070E-0300-NN-S2-UP0-RNNN:
Q: How is the MSK070E-0300-NN-S2-UP0-RNNN motor cooled?
A: This model uses natural convection cooling, operating without forced air or water-cooling systems.
Q: What type of shaft does the MSK070E-0300-NN-S2-UP0-RNNN include?
A: The shaft on this motor is equipped with a keyway for secure mechanical coupling.
Q: Does the MSK070E-0300-NN-S2-UP0-RNNN motor come with a holding brake?
A: It is built without a holding brake, so it does not provide static holding functionality.
Q: What encoder interface and technology are used in the MSK070E-0300-NN-S2-UP0-RNNN?
A: The encoder interface is EnDat2.1, paired with optical singleturn encoder technology.
Q: What is the encoder resolution of the MSK070E-0300-NN-S2-UP0-RNNN motor?
A: The encoder resolution is specified at 2048 signal periods, enabling high-precision feedback.
