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

80A21 Type "A" Plate Sprocket 15/16" Stock Bore

Item ID: 80A21
Availability: 2 In Stock
Price: $33.74
Retail Price:$44.63
Your Savings:$10.89(24%)

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80A21 Sprocket Description

80A21 sprockets are a ANSI standard size that has 21 teeth and works with #80 roller chain. These sprockets are known as a "Type A", which is a hubless roller chain sprocket. Our 80A21 plate sprockets are a durable, high strength sprocket that is manufactured from 1045CD carbon steel. After manufacturing a black oxide finish is applied for corrosion resistance.

60A11 sprocket diagram

80A21 Sprocket Dimensions

  • Fits ANSI Chain Size:#80
  • Number Of Teeth:21
  • Bore (D1):15/16"
  • Pitch Diameter (dp):6.710"
  • Outside Diameter (de):7.235"
  • Sprocket Thickness (B1):0.575"
  • Material:1045CD (Cold Drawn)
  • Hardened Teeth:Yes (HRC 40-50)
  • Type Of Finish:Black Oxide

Interchange Numbers

  • 80A21H