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

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

Inner Race projection has 2 arranged screws on long side to secure bearing to shaft.

“Basic Dynamic Ratings” calculated in accordance to AFBMA standard for “Long Rating And Fatigue Lifestyle For Ball Bearings”

Accurately machined, medium carbon steel sprockets and precision floor ball bearings are assembled to supply much duty idler for the the majority of serious conditions. The bearings are pre-lubricated and sealed to retain grease and exclude dirt and moisture. They are not re-lubricatable. The extended internal race with setscrew enables fastening to a pin or shaft without collars or spacing gadgets. It also provides clearance for the chain when bolting the sprocket right to a framework member or tensioning gadget. A small sprocket for close quarters and a more substantial one for heavier provider is provided in each pitch. If sizes apart from those listed are needed, please inquire for quotation.