Product Model: FSO300-700
Types FSO, FSO-GR, and HPI 300 to 700 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 with a? Full sprag complement« That gives a very high torque for a given diameter. Any overload is resisted by a sprag to sprag abutment, avoiding a sprag tilt over. Types FSO and HPI are oil lubricated and use standard shaft lip seals. Type FSO-GR is grease lubricated and can be equipped with contact free labyrinth seals. Type HPI is specially designed for high speed indexing applications.

TypeSize Overrunning speeds LubricantWeighttorqueDragFSO FSO-GR HPI  FSOFSO-GR  dH7-bxhd4)ABCEFGzJKLfFSOFSO..GRHPI TR TKN1)nmax2)nmax3) min-max -0.05              [Nm][min-1][min-1][mm][mm][mm][mm][mm][mm][mm][mm]  [mm] [mm][ml][ml][ml][kg][Ncm]300 379 3000/900  3600/90015-5x512... 1963.576.260.451.628.5866.674 M813 M60.87 10 14 1.618 400 407 2800/850  3600/85018-6x612... 2269.8588.968.071.630 73 4 M813 M60.810 20 20 2.727 500 1621 2500/800  3000/80030-8x719... 3388.9107.9585.731.645 92 4 M816 M61.522 35 35 4.831     40-12x8                 600 3105 2200/750  2400/75045-14x924... 5795.25136.52592.21.663.5120.66 M816 M61.652 84 84 8.662     50-14x6                     50-14x9                 700 6900 1600/450    2000/45060-18x1148... 82127180.975123.851.690 158.758*M10*20 M61.6168 280 280 19 156     65-18x11                     70-20x12     101,65)