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Flat Idler Pulley - 2.75'' Flat Dia. - 5/16'' Bore - Steel

Your Price: $23.00
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Part Number:31288150
  • Back Side Offset:0.217"
  • Bearing Inner Diameter:0.669"
  • Finish:Zinc Plate Clear
  • Flange Angle:15°
  • Flat Diameter:2.87"
  • Flat Width:1.57"
  • Front Side Offset:1.75"
  • Inside Diameter:5/16"|Multiple Bore Options
  • Inside Diameter Exact:0.3425"
  • Material:Steel
  • Material Thickness:0.0747"
  • Number of Flanges:2
  • Outside Diameter:3.46"
  • Stickout:0.73"
  • Through Bore:1.967"
  • Width:2.04"

Choose Options

Bore Adapter help

This Flat Idler Pulley is for use as a general purpose pulley for power transmission such as compressors, industrial fans, lawnmowers, snowblowers and electrical motors. It comes with a bore adapter to bush down from 17mm to 5/16'' inside diameter. You can choose from the above drop-down menu if you would like to use a different bore adapter or remove the bore adapter your pulley includes.

31288150 features a heavy duty sealed radial single-row bearing.This part is Zinc-coated for long-term rust prevention.

Additional Features:
  • Made of Steel
  • Flanges angled outward to help increase belt life

IF 3.46 x 2.04 x 0.34

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