The TB WOOD'S 863B is a high-quality 3-groove sheave designed for use with A and B series V-belts. With an outside diameter of 8.95 inches and a face width of 2.5 inches, this sheave is engineered to deliver reliable performance in various industrial applications. Constructed from durable cast iron, the 863B sheave ensures longevity and consistent operation under demanding conditions. It features a QD (Quick Detachable) bushing system, allowing for easy installation and maintenance. The sheave accommodates a bushing bore range from 1/2 to 2-5/8 inches, providing flexibility for different shaft sizes. The keyway sizes vary depending on the bore size, ensuring a secure fit and efficient power transmission. The 863B sheave is compatible with both A and B series V-belts, making it versatile for various drive configurations. Its webbed pulley construction enhances strength while reducing weight, contributing to overall system efficiency. This sheave is ideal for applications requiring reliable power transmission and minimal maintenance.