Item # 60B17T, Bronze Bushed Sprocket Idlers for Use with All Steel Tighteners On Tsubaki of Canada Limited

You need Adjustable Idler Sprockets to:

Obtain proper chain tension when neither driving nor driven shaft is adjustable, and to take up slack chain developed through normal chain wear
Guide chain around an obstruction
Prevent whipping action in theslackspan of chain transmitting an uneven load
Bring about greater chain wrap around a small sprocket, particularly if it is the lower sprocket in a vertical drive
Provide for reversed direction of rotation of a sprocket in contact with the outside of

Unit of Measure

No. Teeth