CEMA Rated Conveyor Idlers

Superior Industries has the broadest range of CEMA Rated Conveyor Idlers, available in CEMA B, C, D, E and F ratings, with roll diameters from 4” to 8”, and in belt widths from 18” to 120”.  Troughing/Carry Idlers are available with steel or composite roll design, with sealed or regreasable bearings.   Return/Bottom Idlers are available in steel, composite, urethane and rubber disc design.  Superior Industries offers a wide variety of specialty idlers as well as replacement rolls to fit most competitors’ frames.


  • Iron Mountain, MI
  • Ishpeming, MI
  • Hibbing, MN