Sprag one-way clutch FXN series
internalbearingwithout bearing function

Sprag one-way clutch - FXN series - RINGSPANN - internal / bearing / without bearing function
Sprag one-way clutch - FXN series - RINGSPANN - internal / bearing / without bearing function
Sprag one-way clutch - FXN series - RINGSPANN - internal / bearing / without bearing function - image - 2
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Characteristics

Technology
sprag
Construction
bearing, internal, without bearing function
Applications
backstop, overrunning clutch
Torque

Max.: 20,500 Nm
(15,120.02406 ft.lb)

Min.: 110 Nm
(81.131836 ft.lb)

Diameter

Max.: 130 mm
(5.12 in)

Min.: 20 mm
(0.79 in)

Rotational speed

Max.: 5,000 rad.min-1
(795.7747 rpm)

Min.: 100 rad.min-1
(15.9155 rpm)

Description

Internal Freewheels FXN are sprag freewheels without bearing support and with sprag lift-off X.

The sprag lift-off X ensures a wear-free freewheeling operation when the inner ring rotates at high speed.

The outer ring is pressed into the customer housing. This makes compact, space-saving fitting solutions possible.

Nominal torques up to 20 500 Nm. The torque is transmitted on the outer ring by press fit.

Bores up to 130 mm. A multitude of standardized bore diameters are available with short delivery times.


Application as
  • Backstop
  • Overrunning Clutch
For application as backstop in installations with high speeds in freewheeling operation.
For application as overrunning clutch in installations with low speeds in driving operation.


Catalogs

Exhibitions

Meet this supplier at the following exhibition(s):

EXPOSIBRAM 2026
EXPOSIBRAM 2026

24-27 Aug 2026 Belo Horizonte (Brazil)

  • More information
    Electra Mining Africa
    Electra Mining Africa

    7-11 Sep 2026 Johannesburg (South Africa)

  • More information

    Other RINGSPANN products

    Freewheels

    *Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.