Idler Sprockets: Ball Bearing Idler Sprockets have sealed ball bearings with extended inner competition and setscrews for securing to the shaft.

Projection From Centerline – Because of dimensional variation among bearing manufacturers this dimension may vary slightly when different brands of bearings are used. When you have a crucial application please call for specific dimensions.

Inner Race projection offers 2 set screws on long aspect to secure bearing to shaft.

“Basic Dynamic chain sprocket Rankings” calculated in accordance to AFBMA regular for “Long Ranking And Fatigue Existence For Ball Bearings”

Accurately machined, medium carbon steel sprockets and precision floor ball bearings are assembled to supply a heavy duty idler for the the majority of serious conditions. The bearings are pre-lubricated and sealed to preserve grease and exclude dirt and moisture. They aren’t re-lubricatable. The extended internal race with setscrew enables fastening to a pin or shaft without collars or spacing devices. In addition, it provides clearance for the chain when bolting the sprocket directly to a frame member or tensioning gadget. A little sprocket for close quarters and a larger one for heavier provider is supplied in each pitch. If sizes apart from those listed are required, make sure you inquire for quotation.