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

40B20 1-1/4" Finished Bore Sprocket (40BS20H-1-1/4)

Item ID: 40B20-1-1/4
Availability: 0 Out of Stock
Incoming Stock: 150
Price: $13.16
Retail Price:$17.09
Your Savings:$3.93(23%)

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40BS20 1-1/4" Sprocket Description

Our 40BS20H sprocket is an ANSI standard sprocket with a 1-1/4" finished bore that has a keyway & 2 setscrews. 40BS20 sprockets are a 20 tooth sprocket that works with ANSI #40 roller chain. These sprockets are manufactured from 1045CD carbon steel material. The sprocket teeth are hardened for increased wear resistance.

40B20 sprocket diagram

40BS20 1-1/4" Sprocket Dimensions:

  • Fits ANSI Chain Size:#40
  • Bore (D1):1-1/4"
  • Number Of Teeth:20
  • Pitch Diameter (dp):3.196"
  • Outside Diameter (de):3.457"
  • Sprocket Thickness (B1):0.284"
  • Hub Diameter (dm):2-5/8"
  • LTB - Length Thru Bore (A):1"
  • Keyway Size:1/4" X 1/8"
  • Hardened Teeth:Yes (HRC 40-50)
  • Number Of Setscrews:2
  • Material:1045CD (Cold Drawn)
  • Type Of Finish:Black Oxide

Interchange Numbers:

  • 40BS20 1-1/4
  • 40BS20H 1-1/4