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

40A20 Type "A" Plate Sprocket 5/8" Stock Bore

Item ID: 40A20
Availability: 73 In Stock
Price: $6.72
Retail Price:$8.89
Your Savings:$2.17(24%)

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Nitro 40A20 Sprocket - 5/8" Bore

40A20 Type "A" sprockets are hubless sprockets with a stock bore. Nitro 40A20 sprockets are made to the ANSI B29.1 standards. These are also commonly referred to as plate sprockets. Our 40A20 sprockets are manufactured from 1045CD carbon steel and have a black oxide finish. The teeth are hardened to help minimize tooth wear. Type A sprockets are great for welding onto shaft for machining in bolt holes for mounting.

40a20 sprocket diagram
40A20 Sprocket Dimensions:
  • Fits ANSI Chain Size: #40
  • Number Of Teeth: 20
  • Bore (D1): 5/8"
  • Pitch Diameter (dp): 3.196"
  • Outside Diameter (de): 3.457"
  • Sprocket Thickness (B1): 0.284"
  • Material: 1045CD (Cold Drawn)
  • Hardened Teeth: Yes (30-45 Rc)
  • Meets ANSI B29.1 Standards
  • Hardened Teeth
  • 1045CD Carbon Steel
  • Black Oxide Finish