The TB Wood's 1241B 12.75" Outside Diameter Single Groove V-Belt Sheave with QD Bushing is engineered to provide reliable power transmission in various industrial applications. Designed for compatibility with A and B section V-belts, this sheave ensures efficient energy transfer and optimal performance. Constructed from high-quality cast iron, it offers durability and resistance to wear, extending the service life of your equipment. The sheave features a single groove configuration, suitable for applications requiring a single belt, and is equipped with a Quick Disconnect (QD) bushing system, facilitating easy installation and removal. This design minimizes downtime during maintenance, enhancing operational efficiency. The sheave's dimensions include a 12.75-inch outside diameter, a 1-inch face width, and a 12.4-inch pitch diameter, aligning with standard V-belt specifications. The QD bushing accommodates bore diameters ranging from 1/2 to 1-15/16 inches, providing versatility for different shaft sizes. The keyway sizes vary depending on the bore diameter, ensuring a secure fit and reliable power transmission. By integrating the TB Wood's 1241B sheave into your machinery, you can expect improved operational reliability and reduced maintenance intervals, contributing to the overall productivity of your operations.