The TB Wood's BK3012 is a light-duty FHP sheave designed for efficient power transmission in various industrial applications. With an outside diameter of 3.15 inches and a face width of 0.8125 inches, this sheave accommodates A (4L) and B (5L) cross-section V-belts, providing versatility in belt selection. The finished bore measures 0.5 inches, suitable for use with TB Wood's QT Sure-Grip QD-type bushings, which offer a secure and reliable mounting solution. Constructed from high-quality cast iron, the BK3012 ensures durability and longevity, even under demanding operational conditions. Its design allows for easy mounting and maintenance, reducing downtime and enhancing operational efficiency. This sheave is ideal for applications requiring reliable power transmission, such as material handling, packaging machinery, and various other industrial processes. By integrating the BK3012 into your equipment, you can achieve consistent performance and extend the service life of your machinery.