The TB Wood's 2BK321 3.35" OD Light-Duty Solid FHP Sheave with Finished Bore and Keyway is engineered to provide reliable performance in fractional horsepower (FHP) belt drive systems. Designed for compatibility with B, 5L, A, and 4L cross-section V-belts, this sheave ensures efficient power transmission and minimal maintenance. Constructed from high-quality cast iron, it offers durability and resistance to wear, making it suitable for various industrial applications. The finished bore with keyway allows for secure mounting on shafts, reducing the risk of slippage and ensuring consistent operation. The sheave's dimensions€”3.35 inches outside diameter, 3.41 inches pitch diameter, and 1-3/4 inches face width€”are optimized for standard belt sizes, facilitating easy integration into existing systems. Its lightweight design contributes to overall system efficiency by minimizing inertia and reducing energy consumption. The TB Wood's 2BK321 sheave is an essential component for businesses seeking to enhance the reliability and efficiency of their belt-driven machinery.