R” Hubs – For Assembly With “AR” Plate Sprockets
Circular bore hubs have regular keyway and 2 setscrews. Sq ., Hex and Splined bore hubs have set screws only.
Ready Sprockets are an READY SPROCKET HUB – TYPE R assortment of sprockets and hubs drilled and tapped for simple, convenient assembly with standard hex head cap screws. For No. 35 through No. 100 Chain, with share completed bore hubs to accommodate shaft sizes through 2-3/4″ diameter, and also a variety of sq ., hex, spline, and tapered key bores.