Inch roller bearing units, SYE, SYR, FYE and FYR series

SKF inch roller bearings units are robust, ready-to-mount units that are assembled, lubricated and sealed at the factory for maximum service life. With their simple and safe installation and easy alignment, they are an excellent alternative to sleeve-mounted bearings in split housings. The assortment for inch shafts includes SKF ConCentra units and collar-mount units.
Bearing type
  • Spherical roller bearings, 222 series

Shaft diameter range

  • 1 7/16 to 4 15/16 in.

Typical shaft-bearing combinations

  • Plain shaft, bearing fixed using either the locking collar method or the SKF ConCentra locking method


  • Triple-lip
  • Labyrinth
  • Radial shaft seal


  • Grease


  • Two-bolt mounting
  • Four-bolt mounting 


  • Grey cast iron

Compliance to standards

  • Not standardized
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