The TB Wood's 2BK40118 1-1/8" Bore 2-Groove Light-Duty FHP Sheave is engineered to provide efficient power transmission in fractional horsepower (FHP) applications. Designed for compatibility with A (4L) and B (5L) section V-belts, this sheave ensures optimal performance across various industrial machinery. Constructed from high-quality cast iron, it offers durability and resistance to wear, extending the operational lifespan of your equipment. The sheave features a finished bore of 1-1/8 inches, facilitating easy installation and secure mounting on shafts. Its two grooves accommodate multiple belts, enabling balanced load distribution and reducing the risk of belt slippage. The outside diameter measures 3.95 inches, with a face width of 1.75 inches, making it suitable for light-duty applications where space and weight considerations are critical. The keyway size of 1/4 x 1/8 inches ensures a secure fit, preventing movement during operation. By integrating the TB Wood's 2BK40118 sheave into your machinery, you can achieve reliable power transmission, minimize maintenance needs, and enhance overall operational efficiency.