40A18/1.9

40A18 sprockets are an ANSI standard size that has 18 teeth and works with #40 roller chain. These sprockets are known as a “Type A”, which is a hub less roller chain sprocket. Our 40A18 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. Bored for 1.9 diameter tube.

Get a Quote for This Product

Please review and verify the specs and then add your quantity and add to quote cart. If you have any questions please contact us.

Fits ANSI Chain Size:	#40
Number of Teeth:	18
Bore (D1):	1.910
Pitch Diameter (dp):	2.87
Outside Diameter (de):	3.13
Material:	1045CD (Cold Drawn)
Hardened Teeth:	Yes (HRC 40-50)
Type of Finish:	Black Oxide