The TB Wood's 1VP68118 Variable Pitch Sheave is engineered to provide precise speed adjustments in belt-driven systems, accommodating a range of V-belt types including 3L, 4L, A, 5L, B, and 5V. With a fixed bore diameter of 1-1/8 inches and an outside diameter of 6.55 inches, this sheave offers a versatile solution for applications requiring variable speed control. Its design allows for manual pitch diameter adjustments between 5.1 inches and 6.9 inches, enabling fine-tuning of system performance to meet specific operational requirements. Constructed from high-quality cast iron, the 1VP68118 ensures durability and reliable performance under demanding conditions. The sheave's single groove design is compatible with various belt sections, providing flexibility in belt selection. The inclusion of a keyway enhances the sheave's stability and minimizes the risk of slippage, ensuring consistent power transmission. This sheave is particularly beneficial in applications where precise speed control is essential, such as in compressors, pumps, and other machinery requiring variable speed operation. By integrating the TB Wood's 1VP68118 Variable Pitch Sheave into your equipment, you can achieve optimal performance and efficiency, leading to improved operational productivity and reduced maintenance costs.