40B20 3/4
Picture may not depict actual tooth count

40B20 3/4" Finished Bore Sprocket (40BS20H-3/4)

Item ID: 40B20-3/4
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ANSI Type B / BS finished bore sprockets have a hub on one side with two set screws and a keyway.  All Type B / BS Nitro sprockets have a black oxide finish.

Fits ANSI Chain Size: #40
Bore (D1): 3/4
Number Of Teeth:20
Outside Diameter (de): 3.457"
Sprocket Thickness (B1): 0.284" (Not including Hub)
Hub Diameter (dm): 2-5/8"
LTB - Length Thru Bore (A): 1"
Keyway Size: 3/16" X 3/32"
Hardended Teeth: Yes (30-45Rc)
Number Of Setscrews: 2

Interchange Numbers:


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