R911326169 (MSK101D-0202-NN-S1-AG0-NPNN)

MSK IndraDyn S Synchronous Motors

MSK101D-0202-NN-S1-AG0-NPNN Series Image

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The Bosch Rexroth MPN R911326169 (MSK101D-0202-NN-S1-AG0-NPNN) is an IndraDyn S synchronous servomotor designed for precision motion control. It features a plain shaft with a sealing ring, natural convection cooling, and an IP65 ingress protection rating. The motor utilizes an integrated optical encoder (Hiperface, singleturn, 128 signal periods) with ±80 angular seconds system accuracy for speed and position feedback. Key specifications include 57.0 Nm continuous torque and 160.0 Nm maximum torque, 26.8 A continuous standstill current, 99.9 A maximum current, 6,000 mH winding inductivity, and flange B5 mounting. Optimal operation is specified at ambient temperatures up to 40°C, 95% relative humidity, and altitudes up to 1000 m.

Technical Specifications

Product Type
Bosch Rexroth IndraDyn S MSK Synchronous Motors

Shaft Type
Plain shaft with shaft sealing ring

Running Type
Non-positive, zero-backlash shaft-hub connection

Thermal Stability
High

Temperature Monitoring System
Yes - temperature sensor and temperature model

Cooling Mechanism
Natural convection

Maintenance
Maintenance-free

System Accuracy
±80 angular seconds

Data Memory
Yes

Ingress Protection Rating
IP65 according to DIN EN 60529

Frequently Asked Questions

What practical impact does the 6,000 mH winding inductance have on current response and control bandwidth?

A high inductance slows the current rise (dI/dt), requiring more drive voltage or slower current loops to avoid overshoot. In high-dynamic applications, the drive tuning must account for this inductance to maintain stable control.

What shaft load limits should I observe on the plain shaft design?

The motor datasheet specifies allowable radial and axial forces (e.g. ≤ 500 N axial for size MSK101) that must not be exceeded to avoid bearing damage. Exceeding these can reduce bearing life or cause shaft misalignment.

How does the Hiperface (optical singleturn) encoder interface influence cable layout or shielding requirements?

Hiperface being a differential optical protocol is sensitive to noise, so feedback cables must be shielded, twisted, and routed away from power or high-frequency lines. Any cable length beyond ~50–100 m risks signal attenuation or delay errors.

In a CNC machine, how would you size a drive to fully exploit the 160 Nm peak torque?

The drive should supply up to 99.9 A peak (per spec) and have sufficient voltage headroom to overcome back-EMF at desired speed. The mechanical system (gearbox, inertia matching) must also handle torque transients without exceeding torque limits.

For B2B automation integration, how does the flange (B5) mounting facilitate modular system design?

The standardized B5 flange simplifies direct mounting to machine modules or gearboxes with minimal alignment, supporting modular machine architectures. It also allows using pre-engineered coupling plates or drop-in swaps between models in the MSK family.

Common Misspellings

Internal Product Review

The MSK101D-0202-NN-S1-AG0-NPNN servomotor by Bosch Rexroth features natural convection cooling, flange (B5) mounting, and a plain shaft. It delivers 57.0 Nm continuous torque and up to 160.0 Nm peak, with an optical singleturn encoder using the Hiperface interface. This motor is suited for applications in packaging machines, CNC systems, and industrial automation.

1620 Old Apex Road
Cary, NC 27513, USA

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Indramat USA
1620 Old Apex Road
Cary, NC 27513
USA

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International: 1-919-443-0207

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