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

40B18 1" Finished Bore Sprocket (40BS18H-1)

Item ID: 40B18-1
Availability: 91 In Stock
Price: $11.95
Retail Price:$15.51
Your Savings:$3.56(23%)

Estimate Shipping

(Adding other products will affect these rates)

40B18-1 Finished Bore Sprocket - 40BS18H 1"

Our 40BS18H sprocket is an ANSI standard size sprocket with a 1" finished bore - includes keyway & 2 setscrews. This 18 tooth sprocket works with any ANSI #40 roller chain. Nitro 40B18 sprockets are manufactured from 1045CD carbon steel and have hardened teeth to minimize wear overtime.

40B18 sprocket diagram
40BS18 1" Sprocket Dimensions:
  • Fits ANSI Chain Size: #40
  • Bore (D1): 1"
  • Number Of Teeth: 18
  • Pitch Diameter (dp): 2.879"
  • Outside Diameter (de): 3.136"
  • Sprocket Thickness (B1): 0.284" (Not including Hub)
  • Hub Diameter (dm): 2-5/16"
  • 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:
  • 40BS18 1
  • 40BS18H 1