Variable Pitch 2VP60 Pulley 1-3/8" 1615 10B15 sprockets with a stock

10B15 sprockets with a stock bore comes with the standard 12 millimeter inside diameter hole with no key-way or set screws and can be easily machine bored to custom sizes

Something else that is notable about this 08B10 sprocket is that it fully meets all ISO Standards

This two groove 2BK57H Pulley uses an H-Series Bushing

UCF209 Bearing Dimensions

For additional information or to get pricing and availability on a 2B64SDS sheave

Variable Pitch 2VP60 Pulley 1-3/8" 1615 10B15 sprockets with a stockVariable Pitch 2VP60 Pulley 1 3 8" is designed and engineered in a way that allows for precise adjustments in diameter, which will also correlate to speed adjustment. Our double 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 2VP60 pulleys with a 1 3 8"