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  1. Power Transmission - Mechanical components
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Sprag freewheel FRHD series
full-facebackstop

Sprag freewheel - FRHD series - SIAM RINGSPANN - full-face / backstop
Sprag freewheel - FRHD series - SIAM RINGSPANN - full-face / backstop
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Characteristics

Technology
sprag
Construction
full-face
Applications
backstop
Torque

Min.: 3,750 ft.lb

Max.: 900,000 ft.lb

Diameter

Min.: 3.44 mm
(0.14 in)

Max.: 21 mm
(0.83 in)

Rotational speed

Min.: 100 rpm
(628.3185 rad.min-1)

Max.: 620 rpm
(3,895.5749 rad.min-1)

Description

The FRHD is a seal sprag freewheel with ball bearings. It has a nominal torque of up to 900, 000 lb/ft. The FRHD is designed for use as backstops for applications that require low speeds. These include applications in inclined conveyor-belt systems, elevators, and pumps. The backstops are protected by taconite seals in dirty or dusty conditions. The model is oil-filled and ready for installation when delivered. It is available in 15 models with different freewheel sizes.

Catalogs

No catalogs are available for this product.

See all of SIAM RINGSPANN‘s catalogs

Exhibitions

Meet this supplier at the following exhibition(s):

SPS 2026
SPS 2026

24-26 Nov 2026 Nuremberg (Germany) Hall 3 - Stand 419

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    *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.
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