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The modular slewing bearing ring

The flexible modular system; up to 60% lighter, 50% space saving and 20% cheaper.

The PRT-04 modular system - the customised lubrication-free solution for a wide range of applications such as;

  • Packaging machinery
  • Medical
  • Food and packaging
  • Robotics
    The numerous advantages and various customisation options of the modular systems allow you to adapt the product precisely to your requirements.
    Having been tested in our 3,800m² laboratory, we are confident that, whether you are looking for a small, precise applications or large, powerful machines - you are guaranteed to find the right, ready-to-install size for your project.
buildConfigure your slewing ringShop PRT-04 slewing ringsDownload CAD files

Customer applications

PRT-04 for your customised configuration
✅ Customise slewing ring bearings to your application
✅ Various external and internal gearings
✅ Angle limiter, snap mechanism and much more
✅ Ready to install & easy to install
✅ 100% maintenance and lubrication-free
✅ Eight sizes

  • See how PRT slewing rings are used in a variety of applications

    • Format adjustment in Krones  AG inspection technology

    Krones AG needed reliable, clean and robust equipment for their format adjustments on their inspection machines.

    You can see multiple products from igus on there, including a PRT slewing ring bearing.

  • Find out more about the application
    • Medical table

    PRT slewing ring bearings in radio surgical operating table

    For anything medical, you need certain things:

    ✅ Clean environment
    ✅ Reliable technology
    ✅ Washdown compatible
    ✅ Smooth surfaces to prevent dirt accumulation
    Luckily that's what

  • Find our more about the applications

    • Best selling PRT-04 slewing rings

    The basic PRT-04-X

    The high performer in our range. 
    Our ready-to-install basis for the modular system.

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    The micro- PRT-04-00

    This is our smallest slewing ring bearing.
    Lightweight, robust and ideal for small installation spaces.

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    The black edition- PRT-04-X-BE

    Elegant, discreet and reduces light reflections thanks to its black coating.

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    Toothed versions and positioning options

    Toothed rings

    PRT-04 outer drive ring. 
    Available in four standards for the toothing of the outer ring. Also available for the inner rings too.
    Spur gear toothing according to DIN3967.

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    PRT with locking functions

    PRT-04 with locking function enables precise adjustment of the slewing ring, even under high load.
    Locking points every 90° as standard.

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    PRT-04 with angle limitier

    The PRT-04 stop-dog can be quickly and individually adjusted and prevents the rotation of the PRT slewing ring bearing at defined points.

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    PRT-04 with angle measurement

    For slewing rings made of aluminium. 
    Detection of swivelling and rotation angles of -/+ 999 degrees. The angle is displayed to 0.1 degrees on the screen.

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    Specialists: suitable for FDA and ESD compliant use

    FDA Compliant version

    PRT-04 with stainless steel housing. 
    FDA-compliant and therefore suitable for the food and packaging sector.

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    ESD version

    PRT-04 with stainless steel housing. 
    Due to its electrical conductivity, it is ESD compliant.

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    Cleanroom version

    PRT-04 for the cleanroom. 
    Tested and confirmed by the Fraunhofer Institute.

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    Accessories

    PRT adjustment lever-90 degrees

    The PRT adjustment lever for the PRT-04 slewing ring bearing series enables simple adjustment by 90 degrees.

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    PRT adjustment lever-45 degrees

    The PRT adjustment lever for the PRT-04 slewing ring bearing series enables simple adjustment by 45 degrees.

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    PRT-04 manual clamp

    The PRT clamping lever is compatible with all the PRT-04 slewing ring series, enabling a simple manual clamp, consists of a clamping lever and an aluminium block.

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    PRT-04 toothed outerring

    The PRT toothing is available in the toothing types AT10, HTD5M and T10. Also suitable for retrofitting to existing PRT-04 slewing ring ball bearings.

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    PRT-04 with assembled drive pin

    PRT-04 Standard with DrivePin. Drive with gear profile or drive pin for coupling.

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    PRT-04 with slot nut profile

    PRT-04 with slot nut profile.
    For easy positioning without additional holes.

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    PRT micro with pretension

    PRT-04 Micro with aluminium pretension. 
    Our smallest iglidur® slewing ring bearing.

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    PRT-04 with M4 thread in mounting ring

    The PRT-04-X-M4 offers an additional fastening option with the M4 thread mounting ring

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    Contact us

    Contact details

    Seán Ryan
    Seán Ryan086 0329555Submit form

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