Freewheel clutch insert elements for bikes

GMN insert elements are available in many different standard dimensions. The established and approved series. FE 400 Z and FE 400 BZ are equipped with a classical tension-spring and transmit highest torque in smallest space. The specific sprag design provides an integrated overload protection.

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Freewheel clutch insert elements for bikes FE 400 Z / FE 400 BZ

Customized Design.

 

Characteristics:
  • Sprag:
    > Standard Z-profile with overload protection included
    > BZ-Profile robust against eccentricities and overload protection included
  • Sprag hight: 4 mm
  • Optimum number of sprags: from technical and commercial points of view
  • Shaft diameter: from d = 4…240 mm
  • Installed width: B = 6…15 mm
  • Operating temperature: max. 140 °C
  • Indexing frequency: max. 10 Hz
  • Lubrication: Oil or grease lubrication; delivered rust-protected only
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Components

  • Insert element

    FE 400 Z / BZ

  • Spring

    Tension spring (Z)

  • Cage

    Stamped steel / Plastic (PA)

  • Sprags

    Hardened bearing steel
    Start gap height h0 = 4 mm

  • Raceways

    —

  • Ball bearing

    —

  • Roller bearing

    —

  • Lubrication

    —

  • Seal

    —