The TB Wood's 2BK36138 is a light-duty web sheave designed for use with B/5L/A/4L cross-section V-belts. This sheave features a finished bore measuring 3.5 inches in diameter, making it suitable for various industrial applications requiring efficient power transmission. Constructed from durable cast iron, the 2BK36138 sheave offers a balance between strength and weight, ensuring reliable performance in light-duty settings. Its design includes a single groove, accommodating a range of belt configurations to meet specific operational needs. The sheave's face width is 1.5 inches, providing adequate surface area for belt engagement and stability during operation. The 2BK36138 sheave is compatible with TB Wood's Sure-Grip‚ quick detachable (QD‚) bushings, facilitating easy installation and maintenance. This compatibility ensures a secure fit and efficient power transfer, reducing downtime and maintenance costs. The sheave's design and material selection contribute to its longevity and consistent performance, making it a valuable component in systems where space and weight considerations are critical. By integrating the 2BK36138 sheave into your machinery, you can achieve smooth and reliable power transmission, enhancing the overall efficiency and productivity of your operations.