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Sprag one-way clutch FDN series
internalbearingindexing

Sprag one-way clutch - FDN series - RINGSPANN - internal / bearing / indexing
Sprag one-way clutch - FDN series - RINGSPANN - internal / bearing / indexing
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Characteristics

Technology
sprag
Construction
bearing, internal
Applications
backstop, overrunning clutch, indexing
Torque

Max.: 2,400 Nm
(1,770.149158 ft.lb)

Min.: 16 Nm
(11.800994 ft.lb)

Diameter

Max.: 80 mm
(3.15 in)

Min.: 8 mm
(0.31 in)

Rotational speed

Max.: 3,925 rad.min-1
(624.6832 rpm)

Min.: 800 rad.min-1
(127.324 rpm)

Description

for press fit on the outer ring with sprags Application as Backstop Overrunning Clutch Indexing Freewheel Features 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.

Catalogs

Exhibitions

Meet this supplier at the following exhibition(s):

HILLHEAD
HILLHEAD

23-25 Jun 2026 Buxton (United Kingdom) Stand RD21

  • More information
    EXPOSIBRAM
    EXPOSIBRAM

    24-27 Aug 2026 Belo Horizonte (Brazil)

  • More information
    See all exhibitions

    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.