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

Circular bore hubs have standard keyway and 2 setscrews. Square, Hex and Splined bore hubs have set screws only.

Ready Sprockets are an assortment of sprockets and hubs drilled and tapped for simple, convenient assembly with READY SPROCKET HUB – TYPE R regular hex head cap screws. For No. 35 through No. 100 Chain, with stock finished bore hubs to support shaft sizes through 2-3/4″ diameter, plus a variety of square, hex, spline, and tapered important bores.