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John Deere AM128189 Ariens AM128189 Flat Idler Pulley - 3'' Flat Dia. - 5/16'' Bore - Steel

Your Price: $43.75
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Part Number:31305075D
  • Back Side Offset:0.255"
  • Bearing Inner Diameter:0.669"
  • Finish:Zinc Plate Yellow
  • Flange Angle:13°
  • Flat Diameter:3.06"
  • Flat Width:0.75"
  • Front Side Offset:1.03"
  • Inside Diameter:5/16"|Multiple Bore Options
  • Inside Diameter Exact:0.3185"
  • Material:Steel
  • Material Thickness:0.0747"
  • Number of Flanges:2
  • OEM Part Number:Ariens: AM128189; John Deere: AM128189
  • Outside Diameter:3.86"
  • Stickout:0.445"
  • Through Bore:1.285"
  • Width:1.17"

Choose Options

Bore Adapter help

This Flat Idler Pulley works both as an OEM replacement and as a general purpose pulley for power transmission such as compressors, industrial fans, lawn mowers, snowblowers, and electric 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.

31305075D 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

Direct OEM Replacement for:
  • Ariens: AM128189
  • John Deere: AM128189

IF 3.86 x 1.17 x 0.32

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