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