The TB Wood's AK5178 is a light-duty, single-groove sheave designed for fractional horsepower (FHP) applications. With a 7/8" finished bore and a 4.95" outside diameter, this sheave is engineered to accommodate A (4L) cross-section V-belts, ensuring efficient power transmission in various machinery. Constructed from high-quality cast iron, the AK5178 offers durability and resistance to wear, making it suitable for applications requiring up to 15 horsepower. The sheave features a 3/4" face width, providing a stable platform for belt operation. Its design includes a keyway for secure attachment to the shaft, enhancing operational reliability. The AK5178 is compatible with TB Wood's Sure-Grip quick-detachable (QD) bushings, facilitating easy installation and maintenance. This compatibility allows for a true clamp fit comparable to a shrink fit, ensuring optimal performance. The sheave's lightweight and efficient design contributes to reduced operational costs and extended equipment lifespan. By selecting the TB Wood's AK5178 sheave, businesses can achieve reliable and efficient belt drive performance in their machinery.