Variable Pitch 1VP40 Pulley 1/2" 100B39 Sprockets 160B20H sprockets with a stock

160B20H sprockets with a stock bore comes with the standard 1-1/2" inside diameter hole with no keyway or set screws and can be easily machine bored to custom sizes

For more information on a single groove 1C70SF sheave

What separates this 1C140SF sheave from the others is that it is made using a high strength cast iron

This 120C54 sprocket is a durable

100R48 Sprocket Dimensions

Variable Pitch 1VP40 Pulley 1/2" 100B39 Sprockets 160B20H sprockets with a stockVariable Pitch 1VP40 Pulley 1 2" is designed and engineered in a way that allows for precise adjustments in diameter, which will also correlate to speed adjustment. Our single groove variable pitch pulleys are manufactured with extremely tight thread tolerances and use a high quality cast iron material. They are extremely well balanced to reduce vibrations and are phosphated and painted for corrosion resistance. Besides 1VP40 pulleys with a 1 2" bore