4B184SF Sheave four-groove 18.75" OD filter_35BS21-FB not the thread holes (each

not the thread holes (each hole will be threaded on one side only)

6218-2RS Ball Bearing Dimensions

This 35B19SS stainless steel sprocket is manufactured to ANSI specifications and is constructed out of 304-grade stainless steel for corrosion resistance

Contact our customer support team for further information or to get a quote on our SARFB206-19 bearings

Sprocket Size: 100R28

4B184SF Sheave four-groove 18.75" OD filter_35BS21-FB not the thread holes (eachThis 4B184SF sheave features four grooves, is 18. 75" in diameter, and is designed to use a SF 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