R” Hubs – For Assembly With “AR” Plate Sprockets

Circular bore hubs have regular keyway and 2 setscrews. Sq ., Hex and Splined bore hubs have got set screws only.

Ready Sprockets are an 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 stock completed bore hubs to support shaft sizes through 2-3/4″ diameter, plus a variety of sq ., hex, spline, and READY SPROCKET HUB – TYPE R tapered essential bores.