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

40B18 7/8" Finished Bore Sprocket (40BS18H-7/8)

Item ID: 40B18-7/8
Availability: 33 In Stock
Price: $11.95
Retail Price:$15.51
Your Savings:$3.56(23%)

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40BS18 7/8" Sprocket Description

Our 40BS18H sprocket is an ANSI standard sprocket with a 7/8" finished bore that has a keyway & 2 setscrews. 40BS18 sprockets are an 18 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.

40B18 sprocket diagram

40BS18 7/8" Sprocket Dimensions:

  • Fits ANSI Chain Size:#40
  • Bore (D1):7/8"
  • Number Of Teeth:18
  • Pitch Diameter (dp):2.879"
  • Outside Diameter (de):3.136"
  • Sprocket Thickness (B1):0.284"
  • Hub Diameter (dm):2-5/16"
  • LTB - Length Thru Bore (A):1"
  • Keyway Size:3/16" X 3/32"
  • Hardened Teeth:Yes (HRC 40-50)
  • Number Of Setscrews:2
  • Material:1045CD (Cold Drawn)
  • Type Of Finish:Black Oxide

Interchange Numbers:

  • 40BS18 7/8
  • 40BS18H 7/8