R” Hubs – For Assembly With “AR” Plate Sprockets
Round bore hubs have regular keyway and 2 setscrews. Square, Hex and Splined bore hubs possess set screws only.
Ready Sprockets are a variety 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 READY SPROCKET HUB – TYPE R completed bore hubs to support shaft sizes through 2-3/4″ diameter, plus a variety of sq ., hex, spline, and tapered crucial bores.