Right Angle Servo Gear Boxes & Helical Bevel Gearboxes

right angle servo640

Right Angle Servo Gear Units

STOBER servo right angle gear units are unrivaled in their options. Choose from planetary gearing or take advantage of helical gearing. Servo doesn’t have to mean planetary!

These gear units can be mounted to any motor with our toleranced motor adapters or you can add a STOBER motor on them to make a geared motor. These units are assembled in our Maysville, Kentucky facility, shipped in one day, and come with a 5 year warranty.

BENEFITS
The World’s Toughest Gearboxes
STOBER’s right angle synchronous servo geared motors provide everything you need. Take advantage of the most compact unit on the market! You can save up to 45% on length.

Planetary or helical – STOBER has the range of products you need to optimize your machine design. Choose from a variety of housing styles, output options, bearings, ratios, speeds, brakes, and encoders.

Our products are up to 14° F cooler than competitor units. They offer plug ‘n play with B&R, Beckhoff, Bosch, Kollmorgen, Rockwell, and Siemens.
KSS: For the toughest environments
The K/KL series is unparalleled when it comes to right angle options. This synchronous servo geared motor’s unique design allows you to use a variety of outputs, including shaft, hollow bore, shrink rings, and bushings.

Housing options include flange, feet, and torque arm.

The K/KL unit features helical bevel gearing, providing smooth motion and optimal efficiency.

K/KL: For right angle applications
The PKX series combines our planetary P 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.
KSS: For the toughest environments
The KS series gives the benefits of helical bevel gearing while still having low backlash.

You can choose from three different output options, including shaft, flange, and hollow bore.

KSS: For the toughest environments
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.
KSS: For the toughest environments
The PHK series combines our planetary PH series with a K series input.

This synchronous servo geared motor features quiet operation, higher ratios, and higher input speeds compared to a KX series unit.
KSS: For the toughest environments
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.

KSS: For the toughest environments
The PHQK series combines our planetary PHQ series with a K series input.

This synchronous servo geared motor features the highest acceleration torque and torque density.

KSS: For the toughest environments
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.

TECHNICAL DATA
K Series: TECHNICAL DATA
Power Density:
Price Range:
$$$$$
  • 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!
PKX Series: TECHNICAL DATA
Power Density:
Price Range:
$$$$$
  • 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!
KS Series: TECHNICAL DATA
Power Density:
Price Range:
$$$$$
  • 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!
F Series: TECHNICAL DATA
Power Density:
Price Range:
$$$$$
  • 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

Find your right fit!
KSS: For the toughest environments
PHK Series: TECHNICAL DATA
Power Density:
Price Range:
$$$$$
  • 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!
KSS: For the toughest environments
PHKX Series: TECHNICAL DATA
Power Density:
Price Range:
$$$$$
  • Total gear ratio range: 4 – 300
  • Acceleration torque: 60 – 2,100 Nm
  • Nominal torque: 36 – 1,557 Nm
  • Continuous Input Speed: Up to 3,500 RPM
  • Cyclic Input Speed: Up to 6,000 RPM
  • Torsional Stiffness: Up to 489 Nm/arcmin

Find your right fit!
KSS: For the toughest environments
PHQK Series: TECHNICAL DATA
Power Density:
Price Range:
$$$$$
  • 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!
KSS: For the toughest environments
PK Series: TECHNICAL DATA
Power Density:
Price Range:
$$$$$
  • 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

Find your right fit!
FEATURES
K/KL Series: FEATURES
  • 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)
  • 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
  • Motor Adapter:
    • MQ – standard clamp coupling for KL
    • ME – standard clamp coupling for K
      • Seal option – MSS1 seal for longer life
      • Peak torque booster – pinion securing element for shock loads, increasing peak torque up to 80%
    • MB – ServoStop with integrated safety brake
  • Environmental Considerations: ATEX Certified Available for explosive environments for K Series
  • Mounting Positions:
    • EL1, 2, 3, 4, 5, or 6
  • Available as a geared motor!

PKX Series: FEATURES
  • Output Shaft:
    • Plain shaft
    • Feather key
  • Bearings: Options for axial or radial loads
    • Standard – ball bearing ideal for some axial and radial load capacity
    • Double row angular contact bearing – ideal for high axial loads
    • Cylindrical roller bearing – ideal for radial loads
  • Backlash:
    • Standard
    • Reduced
  • 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
    • Food Duty – 316 stainless steel epoxy paint with anti-microbial clear coat, Exxon Mobil SHC CIBUS 220, and stainless steel output
  • 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
  • Mounting Positions:
    • EL1, 2, 3, 4, 5, or 6
  • Available as a geared motor!

KS Series: FEATURES
  • Outputs:
    • Plain shaft
    • Shaft with feather key
    • Flanged hollow bore
    • Shrink ring
  • Motor Adapter:
    • ME – standard clamp coupling
    • MEL – clamp coupling that can accommodate larger diameter motor shaft without upsizing to larger gearbox
  • Environmental Considerations: ATEX Certified Available for explosive environments
  • Mounting Positions:
    • EL1, 2, 3, 4, 5, or 6
  • Available as a geared motor!

F Series: FEATURES
  • Outputs:
    • Hollow bore
    • Shaft
    • Shrink ring
    • Single or double wobble free bushing
  • Housing Styles:
    • Output flange
    • Pitch circle diameter tapped holes
    • Foot mounting
  • 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
  • Motor Adapter:
    • ME – standard clamp coupling
      • Seal option – MSS1 seal for longer life
      • Peak torque booster – pinion securing element for shock loads, increasing peak torque up to 80%
    • MB – ServoStop with integrated safety brake
  • Environmental Considerations: ATEX Certified Available for explosive environments
  • Mounting Positions:
    • EL1, 2, 3, 4, 5, or 6
  • Available as a geared motor!

  • PHK Series: FEATURES
    • Bearings: Options for axial or radial loads
      • Standard – ball bearing ideal for some axial and radial load capacity
      • Reinforced bearing – ideal for high axial loads
    • Coating Options: options for different environments.
      • Standard Duty – RAL-9005 black paint
      • Washdown Duty – 316 stainless steel epoxy paint
    • Motor Adapter:
      • ME – standard clamp coupling
        • Seal option – MSS1 seal for longer life
        • Peak torque booster – pinion securing element for shock loads, increasing peak torque up to 80%
      • MB – ServoStop with integrated safety brake
    • Environmental Considerations: ATEX Certified Available for explosive environments
    • Mounting Positions:
      • EL1, 2, 3, 4, 5, or 6
    • Available as a geared motor!

    PHKX Series: FEATURES
    • Bearings: Options for axial or radial loads
      • Standard – ball bearing ideal for some axial and radial load capacity
      • Reinforced bearing – ideal for high axial loads
    • Backlash:
      • Standard
      • Reduced
    • Coating Options: options for different environments.
      • Standard Duty – RAL-9005 black paint
      • Washdown Duty – 316 stainless steel epoxy paint
    • Motor Adapter:
      • MF – flexible coupling, ideal for thermal length compensation
    • Environmental Considerations: ATEX Certified Available for explosive environments
    • Mounting Positions:
      • EL1, 2, 3, 4, 5, or 6
    • Available as a geared motor!
    • Available as a rack and pinion system

    PHQK Series: FEATURES
    • Bearings: Options for axial or radial loads
      • Standard – ball bearing ideal for some axial and radial load capacity
      • Reinforced bearing – ideal for high axial loads
    • Coating Options: options for different environments.
      • Standard Duty – RAL-9005 black paint
      • Washdown Duty – 316 stainless steel epoxy paint
    • Motor Adapter:
      • ME – standard clamp coupling
        • Seal option – MSS1 seal for longer life
        • Peak torque booster – pinion securing element for shock loads, increasing peak torque up to 80%
      • MB – ServoStop with integrated safety brake
    • Environmental Considerations: ATEX Certified Available for explosive environments
    • Mounting Positions:
      • EL1, 2, 3, 4, 5, or 6
    • Available as a geared motor!

    PK Series: FEATURES
    • Output Shaft:
      • Plain shaft
      • Feather key
    • Bearings: Options for axial or radial loads
      • Standard – ball bearing ideal for some axial and radial load capacity
      • Double row angular contact bearing – ideal for high axial loads
      • Cylindrical roller bearing – ideal for radial loads
    • 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
      • Food Duty – 316 stainless steel epoxy paint with anti-microbial clear coat, Exxon Mobil SHC CIBUS 220, and stainless steel output
    • Motor Adapter:
      • ME – standard clamp coupling
        • Seal option – MSS1 seal for longer life
        • Peak torque booster – pinion securing element for shock loads, increasing peak torque up to 80%
      • MB – ServoStop with integrated safety brake
    • Environmental Considerations: ATEX Certified Available for explosive environments
    • Mounting Positions:
      • EL1, 2, 3, 4, 5, or 6
    • Available as a geared motor!

    KSS Series: FEATURES
    • Outputs:
      • Hollow bore
      • Shaft output
      • Double wobble free bushing
    • Housing Styles:
      • Output flange
      • Pitch circle diameter tapped holes
      • Foot mounting
    • Motor Adapter:
      • MSR – standard clamp coupling
    • Mounting Positions:
      • EL1, 2, 3, 4, 5, or 6
    INDUSTRIES & APPS
    Industry Applications
    • Fuselage
    • Wing assembly
    • Drilling and Riveting
    • Machine Tool
    • Automated Guided Vehicles (AGV)
    • Carbon Fiber Placement
    • Testing and Inspection
    • Space Tracking Systems
    Industry Applications
    • Assembly Turn Tables
    • Linear Press
    • Robotics Auxiliary Axis
    • Palletizing
    • Automated Assembly
    • Custom Assembly Machines
    • Radar
    • Pipe and Wire Bending
    Industry Applications
    • Carbon Fiber Production
    • Electronics Assembly
    • Index Tables
    • Machining
    • Metal Cutting & Bending
    • Pick and Place
    • Robotic Auxiliary
    • Tire Manufacturing
    • Transfer Lines
    Industry Applications
    • Accumulation
    • Casing (Packaging)
    • Cleaner
    • Closer/Capper/Seamer
    • Conveying
    • Depalletizer
    • Filler
    • Inspection/Detecting
    • Palletizer
    Industry Applications
    • Cutting
    • Tension Control
    • Web Lines
    • Winding
    • Paper Converting
    • Woven Products
    • 3D Printing
    • Electronics Printing
    • Labels
    • Flexographic
    • Circuit Boards
    • Sheet
    Industry Applications
    • Ball, Gate, and Globe Valves
    • Throttle/Governor Valves
    • Chokes
    • Process Valves
    • ATEX Explosion Proof Gear Units
    Industry Applications
    • Animatronics
    • Backdrops
    • Staging
    • Theme parks
    • Simulators for aerospace, automotive, locomotive, theme park rides and more
    Industry Applications
    • Augers
    • Bone saws
    • Choppers
    • Cone lines
    • Conveyors
    • Deboning
    • Grinders
    • Kill Table
    • Metal detection
    • Mixing
    • Overhead drives
    • Palletizing
    • Pumps
    • Tenderizing
    Industry Applications
    • Carbon fiber tape laying
    • Horizontal and vertical mills
    • Flame, laser, waterjet, and plasma cutting
    • Grinding
    • Indexing
    • Bending and forming
    Industry Applications
    • Automated Guided Vehicles (AGV)
    • Automated Vehicle Parking
    • Conveyors
    • Line Diverter
    • Linear Transfer
    • Palletizing
    • Pick and Place
    • Sorting/Diverting
    • Storage and Retrieval
    Industry Applications
    • Case Erectors
    • Converting (Printing/Diaper/Labeling)
    • Fillers
    • Food Packaging
    • Package Manufacturing (Bag, Pouch, etc.)
    • Palletizing
    • Sealers
    • Sorting
    • Straight Line OR Rotary
    • Stuffers
    • Wrappers
    Industry Applications
    • Chemical mechanical planarization (CMP)
    • Wafer manufacturing/processing
    • Surface conditioning
    • Expose and write
    • Etching
    • Ion implant
    • Sputter
    • Chemical Vapor Deposition (CVD)
    • Inspection Measurement
    • Assembly and Packaging
    • Testing
    DOWNLOADS
    The document you are looking for is not listed? Hint: Select "all languages".
    TitleVersionIDDateLanguageSize
    Servo Gear UnitsServo Gear Units 304429342022 03EN34.23 MB
    Servo Gear Units PHKX RatingsServo Gear Units PHKX Ratings 304429342022 03EN1.10 MB
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    Servo Gear Units PK DimensionsServo Gear Units PK Dimensions 304429342021 09EN359.45 KB
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    Servo Gear Units PKX DimensionsServo Gear Units PKX Dimensions 304429342021 09EN363.00 KB
    Servo Gear Units PHQK RatingsServo Gear Units PHQK Ratings 304429342021 09EN2.20 MB
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    Servo Gear Units K RatingsServo Gear Units K Ratings 304429342021 09EN2.47 MB
    The document you are looking for is not listed? Hint: Select "all languages".
    TitleVersionIDDateLanguageSize
    Lubrication Table FLubrication Table F 302021 09EN72.63 KB
    Lubrication Table KLubrication Table K 302021 09EN80.70 KB
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    Replacement parts list helical bevel gear units K1003 K1013 SN SNG SNGDReplacement parts list helical bevel gear units K1003 K1013 SN SNG SNGD 044413932010 09EN100.97 KB
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    Replacement parts list helical bevel gear units K1004 K1014 SN SNG SNGDReplacement parts list helical bevel gear units K1004 K1014 SN SNG SNGD 044414052010 09EN108.28 KB
    Replacement parts list helical bevel gear units K1004 K1014 SNFReplacement parts list helical bevel gear units K1004 K1014 SNF 044414032010 09EN103.64 KB
    Replacement parts list helical bevel gear units K1004 K1014 AN ANG ANGDReplacement parts list helical bevel gear units K1004 K1014 AN ANG ANGD 044414012010 09EN107.86 KB
    Replacement parts list helical bevel gear units K1004 K1014 ANFReplacement parts list helical bevel gear units K1004 K1014 ANF 044413992010 09EN101.91 KB
    Replacement parts list offset helical gear units F102 F202 F302 F402 F602 AB AG AGNReplacement parts list offset helical gear units F102 F202 F302 F402 F602 AB AG AGN 034408342010 03EN78.05 KB
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    SERVICES

    Contact us!
    Phone: +1 (888) 786-2371
    Email: sales@stober.com

    Tools & Software
    stober product id

    With a few simple clicks, you can download drawings, technical data sheets, or dimensional drawings of any STOBER product. Plus, you can easily request a quote.

    stober cad

    Are you looking for CAD data? With the STOBER CAD tool, you can download the drawings you want with just a few clicks.

    STOBER CAD
    servo brake

    With SERVOsoft® we provide you with a tool that you can use to precisely scale your drive systems in just a few steps. Electrically and mechanically. And it’s quick and easy too.

    SERVOSOFT®
    Service & Repair
    Sales Rep Network

    Our sales reps have the expertise and industry know-how to provide you with the best solutions. Call to get more information today!

    Find your Rep
    REPLACEMENT & REPAIR

    Do you need competent help with spare parts, replacement drives, repairs and retrofitting? Please contact us! We also offer you a 24-hour emergency call for urgent cases.

    Aftermarket Service

    Emergency SupportSTOBER offers emergency application and installation support 24 hours a day, 7 days a week, 365 days a year anywhere in the US. We are here for you!

    +1 (606) 563-6035

    For highly dynamic applications

    “We’ve used STOBER for years to rebuild equipment such as lathes and milling machines for machine tool customers. Every job is project-based, and requirements are always different, but STOBER is the perfect match for our gearbox requirements. Its SMS series allows us to choose from a large range of ratios, mounting configurations, housing options, and more. STOBER’s responsiveness is also a key plus. STOBER employees build and ship units in one day and give us quick answers on requests. I can’t think of a better way to meet customer needs.”

    Steve Nelson – Design Engineer, Machine Tool Research

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    SUPPORT YOU CAN COUNT ON

    STOBER’s regional sales team will be with you every step of the way. From sizing to ordering to aftermarket, our engineers will help you optimize your solution.

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