The TB Wood's 1VP71138 is a precision-engineered variable pitch pulley designed to accommodate a range of V-belt types, including 4L, 5L, A, B, 5V, 5VX, AX, and BX. With a fixed bore diameter of 1-3/8 inches and an outside diameter of 7.1 inches, this pulley offers versatility and reliability for various industrial applications. Its single groove design ensures optimal belt engagement, while the variable pitch feature allows for precise speed adjustments, enhancing operational efficiency. Constructed from high-quality cast iron, the 1VP71138 pulley is built to withstand demanding conditions, providing long-term durability and consistent performance. This pulley is compatible with multiple belt sections, making it a flexible solution for different drive configurations. Its robust construction and adaptable design make it a valuable component in machinery requiring variable speed control and reliable power transmission.