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Rexroth R911312031 MSK061C-0600-NN-S1-UG1-NNNN Servo Motor
| Place of Origin | Germany |
| Brand Name | REXROTH |
| Model Number | Rexroth R911312031 MSK061C-0600-NN-S1-UG1-NNNN Servo Motor |
Product Overview
The Rexroth R911312031 is an IndraDyn S synchronous servo motor with the complete model MSK061C-0600-NN-S1-UG1-NNNN. Its 0600 winding and compact MSK061C construction are suited to dynamic servo axes that require high rotational speed, single-turn Hiperface feedback and static position holding.
The motor uses natural-convection cooling and has a plain shaft with shaft sealing ring. It is equipped with an optical single-turn Hiperface encoder, rotatable connector and electrically released holding brake. The NNNN suffix identifies standard design.
Configuration Highlights
- MSK061C motor frame with 0600 winding
- Maximum reference speed of 6000 rpm
- Optical single-turn Hiperface encoder with 128 signal periods
- Plain shaft with shaft sealing ring
- Electrically released holding brake
- Rotatable connector for flexible cable routing
- Natural-convection cooling
- Standard NNNN design and IP65 protection
Technical Specifications
| Material Number | R911312031 |
| Complete Model | MSK061C-0600-NN-S1-UG1-NNNN |
| Motor Type | Permanent-Magnet Synchronous Servo Motor |
| Cooling | Natural Convection |
| Encoder | S1 Optical Single-Turn Hiperface, 128 Signal Periods |
| Electrical Connection | Rotatable Connector, Approximately 240 Degrees |
| Shaft | Plain Shaft With Shaft Sealing Ring |
| Holding Brake | Electrically Released, 10 Nm Reference Holding Torque |
| Continuous Standstill Torque at 100 K | 9.0 Nm |
| Continuous Standstill Current at 100 K | 8.7 A |
| Maximum Torque | 32 Nm |
| Maximum Current | 34.7 A |
| Maximum Speed | 6000 rpm |
| Protection Class | IP65 |
| Net Weight | Approximately 9.3 kg |
| Packed Gross Weight | To Be Confirmed |
Model Code Interpretation
MSK061C defines the motor frame and C-length construction. 0600 identifies the winding. NN specifies natural-convection cooling. S1 represents an optical single-turn Hiperface encoder. In UG1, U indicates a rotatable connector, G identifies a plain shaft with sealing ring, and 1 indicates the holding-brake option. NNNN indicates standard design.
High-Speed Axis Configuration
The 0600 winding distinguishes this model from lower-speed MSK061C winding variants. When replacing the motor, the drive parameter set must correspond to the 0600 winding rather than only the MSK061C frame designation.
The plain shaft supports a backlash-sensitive clamping coupling when properly selected and installed. Shaft diameter, coupling fit, alignment, balance and permissible radial or axial loading must be checked against the machine design.
Typical Applications
The motor is suited to dynamic feed mechanisms, compact machine-tool axes, packaging movements, printing equipment and automated handling systems requiring higher speed with controlled static holding.
Replacement Checklist
- Confirm R911312031 and the complete MSK061C-0600 type code.
- Verify the S1 Hiperface encoder and feedback-cable interface.
- Confirm the plain shaft and coupling arrangement.
- Check the holding-brake wiring and controller sequence.
- Verify drive current capacity and 0600 winding parameters.
- Check the power cable, connector orientation and machine project.
Related Models
Useful comparisons include other MSK061C-0600 configurations with different encoder, shaft or brake options, as well as MSK061C motors with lower-speed windings. MSK061B and MSK061D motors differ in motor length and performance and require separate dimensional verification.
Inquiry and Supply Notes
Provide a clear motor nameplate photograph, R911 material number, drive model, motor power cable, feedback cable, brake requirements, coupling data and controller project details. Packed gross weight should remain unconfirmed until the actual packaging arrangement is available.
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