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

40A45 Type "A" Plate Sprocket 3/4" Stock Bore

Item ID: 40A45
Availability: 97 In Stock
Price: $19.29
Retail Price:$25.51
Your Savings:$6.22(24%)

Estimate Shipping

(Adding other products will affect these rates)

Nitro 40A45 Sprocket - Type A Plate Sprocket

40A45 sprockets are a ANSI standard size that has 45 teeth and works with #40 roller chain. These sprockets are known as a "Type A", which is a hubless roller chain sprocket. Our 40A45 plate sprockets are a durable, high strength sprocket that is manufactured from 1045CD carbon steel. After manufacturing, the teeth are hardened to help minimize wear, then a black oxide finish is applied for corrosion resistance.

40A45 sprocket diagram
40A45 Sprocket Dimensions:
  • Fits ANSI Chain Size: #40
  • Number Of Teeth: 45
  • Bore (D1): 3/4"
  • Pitch Diameter (dp): 7.168"
  • Outside Diameter (de): 7.451"
  • Sprocket Thickness (B1): 0.284"
  • Material: 1045CD (Cold Drawn)
  • Hardened Teeth: Yes (30-45 Rc)
  • Type Of Finish: Black Oxide
Interchange Numbers
  • 40A45H