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Sprag backstop FRHN series
full-facebearingbackstop

Sprag backstop - FRHN series - RINGSPANN - full-face / bearing / backstop
Sprag backstop - FRHN series - RINGSPANN - full-face / bearing / backstop
Sprag backstop - FRHN series - RINGSPANN - full-face / bearing / backstop - image - 2
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Characteristics

Technology
sprag
Construction
full-face, bearing
Applications
backstop
Other characteristics
low-speed
Torque

Max.: 503,550 Nm
(371,399.420269 ft.lb)

Min.: 6,900 Nm
(5,089.17883 ft.lb)

Diameter

Max.: 320 mm
(12.6 in)

Min.: 80 mm
(3.15 in)

Rotational speed

Max.: 620 rad.min-1
(98.6761 rpm)

Min.: 110 rad.min-1
(17.507 rpm)

Description

Low Speed Backstops FRHN with lever arm are sealed sprag freewheels with ball bearings. They are supplied oil-filled and ready for installation.

The Low Speed Backstops FRHN are arranged on through shafts or shaft ends.

Nominal torques up to 503 550 Nm.

Bores up to 320 mm.


Application as
  • Backstop
for installations with low speeds. The freewheels are designed for the use in inclined conveyor-belts, elevators or pumps. Taconite seals protect the freewheels from contamination with dust or dirt.


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.