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One-way roller clutch FNR series
internalbearingindexing

One-way roller clutch - FNR series - RINGSPANN - internal / bearing / indexing
One-way roller clutch - FNR series - RINGSPANN - internal / bearing / indexing
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Characteristics

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

Max.: 3,000 Nm
(2,212.686448 ft.lb)

Min.: 18 Nm
(13.276119 ft.lb)

Diameter

Max.: 60 mm
(2.36 in)

Min.: 8 mm
(0.31 in)

Rotational speed

Max.: 1,200 rad.min-1
(190.9859 rpm)

Min.: 800 rad.min-1
(127.324 rpm)

Description

Internal Freewheels FNR are roller freewheels with bearing support. The freewheels of sizes 8 to 20 have a sleeve bearing. The sizes 25 to 60 have ball bearings, these enable higher speeds in freewheeling operation.

The freewheel is built into the customer housing. This makes compact, space-saving fitting solutions possible.

Nominal torques up to 3 000 Nm. The faces of both sides of the outer ring are provided with grooves for torque transmission.

Bores up to 60 mm.


Application as
  • Backstop
  • Overrunning Clutch
  • Indexing Freewheel


Catalogs

Exhibitions

Meet this supplier at the following exhibition(s):

EXPOSIBRAM
EXPOSIBRAM

24-27 Aug 2026 Belo Horizonte (Brazil)

  • More information
    Electra Mining Africa
    Electra Mining Africa

    7-11 Sep 2026 Johannesburg (South Africa)

  • 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.