Overview
The Wittenstein Alpha SP 075S-MF2-70-1B1-2S is a compact planetary gearbox reducer engineered for high-precision, low-backlash performance in servo and motion control systems. Manufactured in Germany by Wittenstein, this unit combines efficient torque transmission with minimal play, making it ideal for positioning, automation, and industrial drive applications where accuracy is critical. The 70:1 reduction ratio provides versatile speed and torque conversion for a wide range of motor and load combinations.
Key Features
- 70:1 planetary gear reduction ratio for precise torque multiplication
- Low-backlash design ensures accurate positioning and repeatability
- Compact form factor (SP 075S frame size) for space-constrained installations
- Helical gear engagement for smooth, quiet operation
- Made in Germany—proven Wittenstein quality and reliability
- MF2 input flange and 1B1-2S output configuration for standard motor coupling
Technical Specifications
- Manufacturer: Wittenstein
- Series: Alpha SP Planetary
- Model: SP 075S-MF2-70-1B1-2S
- Reduction Ratio: 70:1
- Input Flange: MF2
- Output Configuration: 1B1-2S (keyed shaft)
- Design Type: Helical planetary gearbox
- Origin: Germany
- Condition: Used, fully functional
Typical Applications
The SP 075S-MF2-70-1B1-2S is widely employed in:
- Precision robotic arms and articulated systems
- Industrial positioning tables and linear motion stages
- Servo-driven assembly and packaging machinery
- CNC machine tool spindle and feed drives
- Automated manufacturing and material handling systems
- Test and measurement equipment requiring repeatable accuracy
Compatibility & Replacements
Compatible With
- Standard IEC motor frame sizes (63–132 frame) with MF2 input flange mounting
- Servo motors from Siemens, ABB, Bosch Rexroth, and other major OEMs
- AC and DC motor drives with standard shaft couplings
- Industrial automation controllers (PLC, motion control systems)
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator before ordering. The SP 075S-MF2-70-1B1-2S supersedes or directly replaces other Wittenstein SP 075S models with equivalent input/output configurations. Confirm output torque, shaft dimensions, and mounting interfaces with documentation.
Works With
- PROFINET, EtherCAT, and fieldbus-based servo drives
- Standard motor coupling systems (Lovejoy, Mayr, KTR flexible couplings)
- Load-sharing and backlash-compensation control algorithms in motion control software
