Internal Freewheels FDN

  • FDN Bild
  • for press fit on the outer ring
    with sprags

    Application as

    • Backstop
    • Overrunning Clutch
    • Indexing Freewheel


    Internal Freewheels FDN are sprag freewheels with anti-friction bearing dimensions.
    The standard type does not have bearing support. In the case of the standard type, every second sprag has been ­replaced by a cylindrical roller; this freewheel can accept radial forces.
    Nominal torques up to 2 400 Nm. The torque is transmitted on the outer ring by press fit.
    Bores up to 80 mm. A multitude of ­standard­ized bore diameters are available with short delivery times.

  • Contact

    Sales Hotline:
    +49 6172 275-411

    Technical Hotline:
    +49 6172 275-410

    Weekdays from 8:00 am to 6:00 pm