The TB Wood's BK80 7.75" Light Duty Sheave is engineered to provide efficient power transmission in light-duty applications. Designed for compatibility with 4L, 5L, A, and B belt sections, this sheave ensures optimal performance and minimal maintenance. Constructed from high-quality cast iron, it offers durability and longevity, making it a reliable choice for various industrial settings. The BK80 features a QT (Quick Detachable) bushing system, facilitating easy installation and removal without the need for special tools. This design enhances operational efficiency by reducing downtime during maintenance or replacement. The sheave's spoked construction contributes to its lightweight design, which is advantageous in applications where weight reduction is a priority. With a face width of 0.875 inches and a length through bore of 1.25 inches, the BK80 sheave accommodates a range of shaft sizes, providing flexibility in system design. Its bore diameter ranges from 1/2 to 1-1/2 inches, with keyway sizes varying based on the bore diameter, ensuring a secure fit and reliable power transmission. The BK80 sheave's design and material composition make it suitable for applications requiring efficient power transfer and minimal maintenance, such as conveyor systems, light-duty machinery, and other equipment where reliable belt operation is essential.