6B34SD Sheave six-groove 3.75" OD Double Roller Chain Sprockets Weight For Rim Only: 103lbs

Weight For Rim Only: 103lbs

and precision sprocket with 21 hardened teeth that is manufactured to accept a 2517 bushing

What separates this 25V1250SF sheave from the others is that it is made using a high strength cast iron

Bore: 2-15/16"

6906-ZZ Ball Bearing Dimensions

6B34SD Sheave six-groove 3.75" OD Double Roller Chain Sprockets Weight For Rim Only: 103lbsThis 6B34SD sheave features six grooves, is 3. 75" in diameter, and is designed to use a SD 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