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

40B28 3/4" Finished Bore Sprocket (40BS28H-3/4)

Item ID: 40B28-3/4
Availability: 117 In Stock
Price: $19.29
Retail Price:$25.06
Your Savings:$5.77(23%)

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Nitro 40B28-3/4 Finished Bore Sprocket

Our 40BS28H sprocket is an ANSI standard sprocket with a 3/4" finished bore that has a keyway & 2 setscrews. 40BS28 sprockets are a 28 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.

40B28 sprocket diagram
40BS28 3/4" Sprocket Dimensions:
  • Fits ANSI Chain Size: #40
  • Bore (D1): 3/4"
  • Number Of Teeth: 28
  • Pitch Diameter (dp): 4.466"
  • Outside Diameter (de): 4.738"
  • Sprocket Thickness (B1): 0.284" (Not including Hub)
  • Hub Diameter (dm): 3-1/4"
  • LTB - Length Thru Bore (A): 1"
  • Keyway Size: 3/16" X 3/32"
  • Hardened Teeth: Yes (HRC 38-42)
  • Number Of Setscrews: 2
  • Material: 1045CD (Cold Drawn)
  • Type Of Finish: Black Oxide
Interchange Numbers:
  • 40BS28 3/4
  • 40BS28H 3/4