one-way roller clutch / internal / without bearing function / backstop
FCN … R series



  • Technology:


  • Construction:

    internal, without bearing function

  • Applications:

    backstop, indexing, overrunning clutch

  • Torque:

    Min.: 3.2 Nm (2.3602

    Max.: 840 Nm (619.5522

  • Diameter:

    Min.: 8 mm

    Max.: 80 mm

  • Rotational speed:

    Min.: 690 rpm (4,335.4 rad.min-1)

    Max.: 6,700 rpm (42,097.34 rad.min-1)


The FCN R series is a line of internal freewheels manufactured by Ringspann. It is suitable use as backstops, overrunning clutches, and indexing freewheels.

The unit features a compact size and space-saving construction, due to the outer ring pressed into the customer housing. It is equipped with rollers, and ball bearing dimensions of series 62. The series comes in different models, with a nominal torque range of 2.5 Nm to 325 Nm. It has a bore diameter range of 8 mm to 40 mm.

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