

Add to Cart
FSO900 one way hold back clutch with sprag type freewheels
Description of FSO series one way clutch
Types FSO, FS, and HPI 750 to 1027 are sprag type freewheels self-contained, sealed and bearing supported , using
two ball bearings.
Units are delivered oil or grease lubricated according to the type.
It is a Formsprag USA design
that uses tall sprags with multi-radius active surfaces. Designed specially for large size freewheels to compensate for any eccentricity due to bearing wear. Types FS and HPI are oil
lubricated and use standard shaft lip seals. Type FSO is grease lubricated and equipped with
special grease seals.Type HPI is specially designed for high speed indexing applications. Each of
the different models show a range of standard metric bore diameters. We can supply any bore
size between the minimum and maximum specified in the table, including imperial sizes.
Catalogue of FSO series one way clutch
NOTES
1) T max = 2 × T KN
2) Inner race/outer raceg
3) Inner race/outer race labyrinth seal
4) Inch bore available on request
5) Only for oversize bore
Size 600 > 50 mm
Size 700 > 75 mm
*) 6 holes equally spaced at 60° plus
2 extra-holes at 180°
MOUNTING EXAMPLE