The TB Wood's 2BK2878 is a two-groove sheave designed for efficient power transmission in various industrial applications. With a 7/8" bore diameter, 2.95" outside diameter, and a 1-3/4" width, this sheave accommodates 4L or A section V-belts, ensuring compatibility with standard belt systems. Constructed from high-quality iron, it offers durability and reliable performance. The finished bore design facilitates easy installation and maintenance, reducing downtime and operational disruptions. This sheave is ideal for applications requiring precise belt alignment and consistent power transfer, contributing to the overall efficiency and longevity of the drive system.