The TB Wood's BK3078 is a light-duty FHP sheave designed for B, 5L, A, and 4L belt sections, featuring a 3.15" outside diameter and a 7/8" finished bore. This sheave is engineered to provide efficient power transmission in light-duty applications, ensuring reliable performance and ease of maintenance. Constructed from high-quality cast iron, the BK3078 offers durability and resistance to wear, making it suitable for various industrial settings. The sheave's design allows for compatibility with multiple belt types, offering flexibility in system configurations. Its lightweight construction contributes to reduced overall system weight, enhancing operational efficiency. The BK3078 is compatible with TB Wood's Sure-Grip‚ quick detachable (QD) bushings, facilitating straightforward installation and removal processes. This compatibility ensures a secure fit and optimal performance within the drive system. By integrating the BK3078 sheave into your machinery, you can achieve consistent and reliable power transmission, thereby enhancing the operational efficiency of your equipment.