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R911334980 (MSK050B-0450-NN-S2-UP0-RNNN)

MSK IndraDyn S Synchronous Motors

  In-Stock, Ships 3-5 Days
Expedited Lead Times on Select Parts
1 Year Warranty Included
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Expedited Lead Times on Select Parts
1 Year Warranty Included
Free Ground Shipping
The Bosch Rexroth MPN R911334980 (MSK050B-0450-NN-S2-UP0-RNNN) is an IndraDyn S synchronous servomotor featuring a size 050, length B frame with natural convection cooling and increased concentricity design. It uses an EnDat2.1 optical singleturn encoder (2048 signal periods, rotatable connector), and a keyway shaft. The rotor is keyway-balanced with a moment of inertia of 0.00028 kgm². The motor operates without a holding brake and maintains an IP65 protection rating. It provides a continuous torque of 3.0 to 3.4 Nm at 2.8 to 3.2 A (60–100K), and up to 9 Nm maximum torque at a peak current of 11.2 A. Maximum speed is 6000 rpm, with winding inductivity of 33,600 mH. Operating parameters specify up to +40 °C and 1000 m elevation.

Technical Specifications

Product Type
Synchronous Motor

Encoder
EnDat2.1 Optical with 2048 increments

Rotor Moment of Inertia
0.00028 kgm2

Recommended Drive Controller
Company-prescribed

Installation Requirements
Highly Qualified Personnel

Working Conditions
Dust and reactive elements free environment

Winding Inductance
33.6 mH

Constant Torque
1.2 Nm/A at 20 degree Celsius

Maximum Torque
9 Nm

Peak Speed
6000 rpm

Continuous Current Requirement
2.8 – 3.2 A

Continuous Torque Range
3 – 3.4 Nm

Overtemperature Range
60 – 100-K

Feature
Reduced shaft and axial run-out

Input Power Supply
From attached controller

Max Environmental Temperature
+40 degree Celsius

Max Altitude
1000 meters

Protection Standard
IP65.

Why is optical singleturn encoder technology used in MSK050B-0450-NN-S2-UP0-RNNN motor?

The optical singleturn encoder of MSK050B-0450-NN-S2-UP0-RNNN motor provides high-resolution feedback for precise positioning. This enhances repeatability in tasks requiring exact rotational control such as robotics and precision material handling.

What advantage does a 240° rotatable encoder connector provide in this motor?

The rotatable connector simplifies cable routing in confined spaces. This flexibility reduces mechanical stress on connections and improves long-term reliability of servo system wiring.

Why is a shaft with keyway used in MSK050B-0450-NN-S2-UP0-RNNN motor?

The shaft with keyway of MSK050B-0450-NN-S2-UP0-RNNN motor ensures secure torque transmission to couplings or gears. This prevents slippage under maximum torque loads, supporting consistent performance in industrial motion systems.

Why is this motor suitable for robotics and packaging industries?

The motor’s precise feedback, high torque density, and compact size make it ideal for robotics arms and packaging lines. Its stability ensures accuracy in repetitive high-speed processes.

How is thermal management handled in this motor with natural convection cooling?

The natural convection system dissipates heat without requiring fans or liquid cooling. This reduces maintenance while keeping the motor lightweight and energy-efficient.

MSK050B0450NNS2UP0RNNN

MSK050B 0450 NN S2 UP0 RNNN

MSK-050B-0450-NN-S2-UP0-RNNN

MSK50B-0450-NN-S2-UP0-RNNN

Internal Product Review

The IndraDyn S Synchronous Servomotor MSK050B-0450-NN-S2-UP0-RNNN by Bosch Rexroth operates with natural convection cooling and a rotatable 240° optical singleturn encoder using EnDat2.1. It offers 3.4 Nm continuous torque at standstill, 9.0 Nm maximum torque, and 33,600 mH winding inductivity. This motor is applied in packaging, robotics, and material handling industries.

Warranty

1-year-warranty
Indramat USA 1 Year Warranty

Repair

product repair We offer a repair service for the MSK050B-0450-NN-S2-UP0-RNNN.
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