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

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

Ready READY SPROCKET HUB – TYPE R 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 stock completed bore hubs to accommodate shaft sizes through 2-3/4″ diameter, and also a variety of sq ., hex, spline, and tapered important bores.


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As one of leading manufacturers, suppliers and exporters of mechanical products in China, We offer reducers, sprockets, industrial and conveyor chain, belts, pulleys, gears, racks, gearboxes, motors, PTO Shafts, taper lock Bushing, vacuum Pumps, screw air compressors and many other products. Please contact us for details.

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