The TB Wood's 1VP56118 is a 5.35-inch outside diameter, 1-groove variable pitch pulley designed for 1-1/8-inch shafts. This pulley accommodates various V-belt sections, including 3L, 4L, 5L, A, AX, B, and BX, providing versatility for different applications. Its cast iron construction ensures durability and reliable performance in demanding environments. The pulley features a fixed bore with a keyway size of 0.250" x 0.125", facilitating secure attachment to the shaft. The variable pitch design allows for precise belt tensioning, reducing wear and extending the life of both the sheave and the belt. This adjustability enhances operational efficiency by enabling fine-tuning of operational speeds, leading to improved energy efficiency and performance. The finished bore design simplifies the mounting process on shafts, enabling quick setup and maintenance. This ease of installation minimizes downtime during setup, contributing to overall operational efficiency. The TB Wood's 1VP56118 pulley is ideal for applications requiring variable speed adjustments, such as industrial machinery, HVAC systems, and material handling equipment. Its robust construction and design features make it a reliable choice for enhancing performance and extending the lifespan of drive systems.