[ Log In ]
[ Register ]
NEW: CNC Router PLANS Available for all of our Newest CNC Models!! Click here to "Design Your CNC".
Price Options Your Cart
#40 Idler Sprocket (No bolt/nut)
#40 Idler Sprocket with bolt and nut

You can use this mechanism to either help position the roller chain to assist the drive sprocket, or be used as a free wheel for one end of a loop of roller chain.


This sprocket has a 5/8" inside diameter and 17 teeth and can be sold with the 5/8" bolt and nut if desired.


Basic information on sprockets and roller chain. This video explains the uses of drive sprockets and idler sprocket and goes into some details of the geometry of the sprockets, how they work and various configuration that can be used with sprockets and roller chain. Information on calculating the steps per inch is also explained.