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

40B23 1" Finished Bore Sprocket (40BS23H-1)

Item ID: 40B23-1
Availability: 27 In Stock
Price: $15.16
Retail Price:$19.69
Your Savings:$4.53(23%)

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Nitro 40B23-1 Finished Bore Sprocket

Our 40BS23H sprocket is an ANSI standard sprocket with a 1" finished bore that has a keyway & 2 setscrews. 40BS23 sprockets are a 23 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.

40B23 sprocket diagram
40BS23 1" Sprocket Dimensions:
  • Fits ANSI Chain Size: #40
  • Bore (D1): 1"
  • Number Of Teeth: 23
  • Pitch Diameter (dp): 3.672"
  • Outside Diameter (de): 3.938"
  • Sprocket Thickness (B1): 0.284" (Not including Hub)
  • Hub Diameter (dm): 3"
  • LTB - Length Thru Bore (A): 1"
  • Keyway Size: 1/4" X 1/8"
  • Hardened Teeth: Yes (HRC 38-42)
  • Number Of Setscrews: 2
  • Material: 1045CD (Cold Drawn)
  • Type Of Finish: Black Oxide
Interchange Numbers:
  • 40BS23 1
  • 40BS23H 1