1B46SDS Sheave single-groove 4.95" OD 11-Tooth Sprocket 140R23H sprockets are bored to

140R23H sprockets are bored to accept a R1 type taper bushing

Recommended Maximum Bore: 1-5/8"

This 100BS10 sprocket features a 1-7/16" finished bore with a key-way and two set screws

While the phosphate coated and then painted finish adds corrosion resistance to the 13V250JA sheave

This 120A17 sprocket is a durable

1B46SDS Sheave single-groove 4.95" OD 11-Tooth Sprocket 140R23H sprockets are bored toThis 1B46SDS sheave features one groove, is 4. 95" in diameter, and is designed to use a SDS bushing. QD (quick detachable) style sheaves offer a wider selection of bore sizes versus a standard "fixed" bore style sheave. Also because they are a two component part if one component fails the entire part doesn't need to be replaced. All of our sheaves are manufactured out of an extremely durable cast iron, are dynamically balanced at the factory, and are