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

Round bore hubs have standard keyway and 2 setscrews. Square, Hex and Splined bore hubs have set READY SPROCKET HUB – TYPE R 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, plus a variety of sq ., hex, spline, and tapered crucial bores.