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4021X Weld On Sprocket (X Series)
4021X Weld On Sprocket (X Series)

4021X Weld On Sprocket (X Series)

Item ID: 4021X
Availability: 1 In Stock
Incoming Stock: 200
Price: $5.82
Retail Price:$7.56
Your Savings:$1.74(23%)

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Nitro - 4021X Weld On Sprocket

4021X sprocket is a "X series" weld on sprocket that is made to ANSI standards. The 40X21 sprocket is 21 tooth sprocket for #40 ANSI roller chain. Any "X series" weld on hub will work with our 4021X sprocket. This sprocket is manufactured from 1045 carbon steel and has hardened teeth for wear resistance.

4021x sprocket diagram
4021X Sprocket Dimensions:
  • Fits ANSI Chain Size: #40
  • Tooth Count: 21
  • Bore (D1): 2"
  • Outside Diameter (de): 3.618"
  • Sprocket Thickness (B1): 0.284"
  • Hardened Teeth: Yes (HRC 38-42)
  • Material: 1045CD (Cold drawn)
  • Type Of Finish: Black Oxide
Interchange Numbers
  • 40X21
  • 40X21H
  • 4021HX

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