$25 Minimum Order $50 Minimum Order
Picture may not depict actual tooth count
Picture may not depict actual tooth count

40B40 3/4" Finished Bore Sprocket (40BS40H-3/4)

Item ID: 40B40-3/4
Availability: 39 In Stock
Price: $34.86
Retail Price:$45.27
Your Savings:$10.41(23%)

Estimate Shipping

Adding other items will affect these rates
40B40-3/4 Finished Bore Sprocket - 40BS40H 3/4"

Our 40BS40H sprocket is an ANSI standard size sprocket with a 3/4" finished bore - includes keyway & 2 setscrews. This 40 tooth sprocket works with any ANSI #40 roller chain. Nitro 40B40 sprockets are manufactured from 1045CD carbon steel and have hardened teeth to minimize wear overtime.

40B40 sprocket diagram
40BS40 Sprocket Dimensions:
  • Fits ANSI Chain Size: #40
  • Bore (D1): 3/4"
  • Number Of Teeth: 40
  • Outside Diameter (de): 6.653"
  • Sprocket Thickness (B1): 0.284" (Not including Hub)
  • Hub Diameter (dm): 3-1/2"
  • LTB - Length Thru Bore (A): 1-1/8"
  • 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:
  • 40BS40 3/4
  • 40BS40H 3/4