Right Angle Servo Gear Units
K/KL Series
Most versatility in mounting and outputs
- Outputs: Hollow bore, Shaft output (K), Shaft with or without key (KL), Single or double wobble free bushing
- Housing Styles: Output flange (Round for K, Square for KL), Pitch circle diameter tapped holes, Foot mounting, Torque arm bracket (K only)
- Total gear ratio range: 4 – 381
- Acceleration torque: 22 – 13,200 Nm
- Nominal torque: 15 – 12,000 Nm
- Continuous Input Speed: Up to 4,000 RPM
- Cyclic Input Speed: Up to 7,000 RPM
- Torsional Stiffness: Up to 725 Nm/arcmin
- Find your right fit with Stober’s Configurator
PKX Series
For smaller machine envelopes
- Outputs: Hollow bore, Shaft output (K), Shaft with or without key (KL), Single or double wobble free bushing
- Housing Styles: Output flange (Round for K, Square for KL), Pitch circle diameter tapped holes, Foot mounting, Torque arm bracket (K only)
- Motor Adapter: MF – flexible coupling, ideal for thermal length compensation. Seal option – MSS1 seal for longer life.
- Environmental Considerations: ATEX Certified Available for explosive environments
- Total gear ratio range: 3 – 300
- Acceleration torque: 21 – 3,300 Nm
- Nominal torque: 15 – 2,387 Nm
- Continuous Input Speed: Up to 3,500 RPM
- Cyclic Input Speed: Up to 6,000 RPM
- Torsional Stiffness: Up to 393 Nm/arcmin
- Find your right fit with Stober’s Configurator
KS Series
For mounting flexibility with low backlash
- Bearings Options: Standard – ball bearing ideal for some axial and radial load capacity and Reinforced bearing – ideal for high axial loads
- Total gear ratio range: 6 – 200
- Acceleration torque: 90 – 400 Nm
- Nominal torque: 60 – 250 Nm
- Continuous Input Speed: Up to 4,500 RPM
- Cyclic Input Speed: Up to 6,000 RPM
- Torsional Stiffness: Up to 42 Nm/arcmin
- Find your right fit with Stober’s Configurator
F Series
For mounting flexibility
The F series offers compact size and flexibility. This synchronous servo geared motor uses helical bevel gearing for optimal efficiency. Choose from a variety of housing styles and output options.
- Housing Styles: Output flange, Pitch circle diameter tapped holes, Foot mounting
- Total gear ratio range: 4.3 – 552
- Acceleration torque: 78 – 1,100 Nm
- Nominal torque: 69 – 1,100 Nm
- Continuous Input Speed: Up to 4,000 RPM
- Cyclic Input Speed: Up to 7,000 RPM
- Torsional Stiffness: Up to 77.4 Nm/arcmin
- Package Options: options for different environments. A package includes coating, lubrication, and output material
- Standard Duty – RAL-9005 black paint, Synthetic Exxon Mobil SHC 629, carbon steel output
- Corrosion Resistant Duty – 316 stainless steel epoxy paint, Exxon Mobil SHC 630 or 600XP220 Mineral, and stainless steel output
- Food Duty – 316 stainless steel epoxy food duty paint with anti-microbial clear coat, Exxon Mobil SHC CIBUS 220, and stainless steel output
PHK Series
For high input speeds and low noise
- Total gear ratio range: 16 – 561
- Acceleration torque: 277 – 7,207 Nm
- Nominal torque: 210 – 5,000 Nm
- Continuous Input Speed: Up to 4,000 RPM
- Cyclic Input Speed: Up to 7,000 RPM
- Torsional Stiffness: Up to 1,210 Nm/arcmin
- Find your right fit with Stober’s Configurator
PHKX Series
For smaller machine envelopes
The PHKX series combines our planetary PH series with a KX series input. This synchronous servo geared motor features a compact design and has superior stiffness and precision compared to a K series unit. Bearings options for axial or radial loads include Standard ball bearing ideal for some axial and radial load capacity and Reinforced bearing ideal for high axial loads. Coating Options: Standard Duty – RAL-9005 black paint and Washdown Duty – 316 stainless steel epoxy paint.
- Backlash: Standard and Reduced
- Total gear ratio range: 16 – 561
- Acceleration torque: 277 – 7,207 Nm
- Nominal torque: 210 – 5,000 Nm
- Continuous Input Speed: Up to 4,000 RPM
- Cyclic Input Speed: Up to 7,000 RPM
- Torsional Stiffness: Up to 1,210 Nm/arcmin
- Find your right fit with Stober’s Configurator
PHQK Series
Ultimate torque density and power
- Total gear ratio range: 22 – 2,242
- Acceleration torque: 316 – 43,000 Nm
- Nominal torque: 264 – 21,772 Nm
- Continuous Input Speed: Up to 4,000 RPM
- Cyclic Input Speed: Up to 7,000 RPM
- Torsional Stiffness: Up to 4,664 Nm/arcmin
- Find your right fit with Stober’s Configurator
PK Series
For high input speeds and low noise
The PK series combines our planetary P series with a K series input. This synchronous servo geared motor offers quieter operation, higher input speeds, and higher ratios compared to a KX unit. Bearings options for axial or radial loads include Standard ball bearing ideal for some axial and radial load capacity, Double row angular contact bearing ideal for high axial loads and Cylindrical roller bearing ideal for radial loads Coating Options: Standard Duty – RAL-9005 black paint and Washdown Duty – 316 stainless steel epoxy paint.
- Output Shaft: Plain shaft and Feather key
- Total gear ratio range: 12 – 561
- Acceleration torque: 200 – 3,105 Nm
- Nominal torque: 120 – 2,100 Nm
- Continuous Input Speed: Up to 4,000 RPM
- Cyclic Input Speed: Up to 7,000 RPM
- Torsional Stiffness: Up to 305 Nm/arcmin
- Package Options include coating, lubrication, and output material:
- Standard Duty – RAL-9005 black paint, Synthetic Exxon Mobil SHC 629, carbon steel output
- Food Duty – 316 stainless steel epoxy paint with anti-microbial clear coat, Exxon Mobil SHC CIBUS 220, and stainless steel output
- Find your right fit with Stober’s Configurator
Discover the Stober Advantage
- Superior Components
- Precision gearing for longer life
- Optimized Design
- State-of-the-art inspection and testing
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