The TB WOOD'S 1VP5658 Variable Pitch V-Belt Pulley is engineered to provide precise speed adjustments in belt-driven systems, enhancing operational efficiency and adaptability. Designed for use with belt sections including 3L, 4L, 5L, A, AX, B, and BX, this pulley offers a versatile solution for various industrial applications. Its solid cast iron construction ensures durability and reliable performance under demanding conditions. The pulley features a fixed bore with a 5/8" diameter and includes a keyway measuring 3/16" x 3/32", facilitating secure attachment to shafts. The outside diameter of 5.35" accommodates a range of belt sizes, while the length through bore of 1.88" provides sufficient shaft engagement. The pulley is designed to handle maximum pitch diameters of 4.82" for 3L/O belts, 5.35" for 4L/A belts, and 5.41" for 5L/B belts, with minimum pitch diameters of 3.87", 4.17", and 4.58" respectively. This variability allows for precise speed and torque adjustments, optimizing equipment performance. The inclusion of a set screw ensures a secure fit, and the pulley is suitable for use with classical and cogged V-belts. By incorporating the TB WOOD'S 1VP5658 Variable Pitch V-Belt Pulley into your machinery, you can achieve precise speed control, enhancing operational efficiency and extending equipment lifespan.