The TB Wood's BK40118 is a light-duty V-belt pulley designed for efficient power transmission in various industrial applications. With an outside diameter of 3.95 inches and a 1-1/8 inch bore, this pulley accommodates A (4L) and B (5L) cross-section V-belts, providing versatility for different belt types. Constructed from high-quality cast iron, the BK40118 ensures durability and reliable performance under standard operating conditions. The pulley features a single groove, suitable for applications requiring a single belt, and a face width of 0.88 inches, optimizing space and alignment in compact setups. The pitch diameter of 4.01 inches enhances belt engagement, contributing to efficient power transfer. Designed for easy installation, the BK40118 is compatible with TB Wood's Sure-Grip‚ Quick Detachable (QD) bushings, facilitating straightforward mounting and maintenance. This design choice reduces downtime and maintenance costs, offering a practical solution for operations seeking to minimize service interruptions. The TB Wood's BK40118 pulley is ideal for light-duty applications where space constraints and cost-effectiveness are critical. Its robust construction and user-friendly design make it a reliable component in various machinery, including conveyors, fans, and other equipment requiring efficient power transmission. By integrating the BK40118 into your machinery, you can achieve consistent performance and operational efficiency, addressing common challenges such as belt misalignment and wear. This pulley offers a cost-effective solution without compromising on quality, ensuring that your equipment operates smoothly and effectively.