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Picture may not depict actual tooth count
Picture may not depict actual tooth count

40A27 Type "A" Plate Sprocket 5/8" Stock Bore

Item ID: 40A27
Availability: 108 In Stock
Price: $9.72
Retail Price:$12.86
Your Savings:$3.14(24%)

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40A27 Sprocket Description

40A27 sprockets are a ANSI standard size that has 27 teeth and works with #40 roller chain. These sprockets are known as a "Type A", which is a hubless roller chain sprocket. Our 40A27 plate sprockets are a durable, high strength sprocket that is manufactured from 1045CD carbon steel. After manufacturing, the teeth are hardened to help minimize wear, then a black oxide finish is applied for corrosion resistance.

40A27 sprocket diagram

40A27 Sprocket Dimensions

  • Fits ANSI Chain Size:#40
  • Number Of Teeth:27
  • Bore (D1):5/8"
  • Pitch Diameter (dp):4.307"
  • Outside Diameter (de):4.578"
  • Sprocket Thickness (B1):0.284"
  • Material:1045CD (Cold Drawn)
  • Hardened Teeth:Yes (HRC 40-50)
  • Type Of Finish:Black Oxide

Interchange Numbers

  • 40A27H