40B12 1
Picture may not depict actual tooth count

40B12 1" Finished Bore Sprocket (40BS12H-1)

Item ID: 40B12-1
Your Price: $6.05
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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): 1"
Number Of Teeth:12
Outside Diameter (de): 2.166"
Sprocket Thickness (B1): 0.284" (Not including Hub)
Hub Diameter (dm): 1-9/16"
LTB - Length Thru Bore (A): 7/8"
Keyway Size: 1/4" X 1/8"
Hardended Teeth: Yes (30-45Rc)
Number Of Setscrews: 2


Interchange Numbers:

40BS12-1
40BS12H-1

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