full-face one-way clutch / with internal bearings / backstop / indexing



  • Construction:

    full-face, with internal bearings

  • Applications:

    backstop, indexing

  • Torque:

    Max.: 27500 ft.lb

    Min.: 210 ft.lb

  • Diameter:

    Max.: 7 in

    Min.: 0.5 in

  • Rotational speed:

    Max.: 2600 rpm (16336.28 rad.min-1)

    Min.: 630 rpm (3958.41 rad.min-1)


The FR series by Ringspann is is full face one way clutch used for bolting the face in inch dimension with sprags. This is a sealed sprag freewheel in inch dimension having a ball bearing. Also, it is equipped with oil-filled which is ready for installation. For this specific unit, it can be used as a backstop, overunning clutches and an indexing freewheels. For other technical information, it has a nominal torque of about 27,500 lb-ft and a maximum torque of 55,000 lb-ft.

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