The TB Wood's 661B 6.95" Outside Diameter Single Groove QD Bushed V-Belt Sheave is engineered to provide reliable power transmission in demanding industrial applications. Designed for use with A and B section V-belts, this sheave features a single groove configuration, ensuring optimal belt engagement and efficient torque transfer. Constructed from high-quality cast iron, the 661B sheave offers exceptional durability and resistance to wear, making it suitable for continuous operation in harsh environments. The Quick Disconnect (QD) bushing system facilitates straightforward installation and removal, reducing downtime during maintenance and enhancing operational efficiency. With an outside diameter of 6.95 inches and a face width of 1.00 inch, this sheave is compatible with a range of shaft sizes, accommodating bore diameters from 1/2 to 1-15/16 inches. The sheave's design includes a pitch diameter of 7.01 inches and a datum diameter of 6.60 inches, contributing to precise belt alignment and minimizing vibration. Operating at a maximum speed of 3,600 RPM, the 661B sheave is suitable for various industrial applications, including conveyor systems, pumps, and compressors. Its robust construction and user-friendly design make it a valuable component for enhancing the performance and reliability of mechanical drive systems.