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R911299968 (MSK070E-0450-NN-S2-UG1-RNNN)

MSK IndraDyn S Synchronous Motors

MSK070E-0450-NN-S2-UG1-RNNN Series Image

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The Bosch Rexroth R911299968 (MSK070E-0450-NN-S2-UG1-RNNN) is an IndraDyn S synchronous servomotor designed for demanding automation applications. It features natural convection cooling and a plain shaft with increased concentricity. The motor provides continuous torque at standstill of 25.0 Nm (100 K) and a standstill current of 21.0 A (100 K), with maximum torque reaching 60.0 Nm and a maximum current of 57.9 A. Integrated with a 1.6 kg electrically-released holding brake rated at 23 Nm, the unit is equipped with an optical EnDat2.1 encoder (singleturn, 2048 signal periods, rotatable connector 240°) for precise position feedback. The winding code is 0450, and the design includes provisions for a sealing ring and shaft overpressure maintenance. Installation and operation should adhere to the manual and be performed by qualified personnel.

Technical Specifications

Standstill Surface Torque
34.5 Nm

Continuous Current Drawn
29 A

Stationary Temperature
60 K

Constant Torque at Stationary Temp
25 Nm

Continuous Current at Stationary Temp
21 A

Position Recording Capabilities
Absolute and Indirect

Encoder Type
Single Turn EnDat2.1 Optical Encoder

Winding Resistance
0.36 ohms

Inductance
2.7 mH

Torque Constant
1.31 Nm/A

Rotors Moment of Inertia
0.00458 kgm2

Construction
Conventional Convection

Thermal Time Constant
32 minutes

Discharge Capacity
6.7 nF

Output Shaft
Plain with Sealing Ring

Holding Brake Weight
1.6 kg

Holding Brake Connection Time
130 ms

Holding Brake Disengagement Time
180 ms.

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1620 Old Apex Road
Cary, NC 27513, USA

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1620 Old Apex Road
Cary, NC 27513
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