The PTI UC311-SB-01 is a high-quality bearing insert designed for robust performance in industrial and agricultural machinery. This genuine PTI bearing features a 55mm bore diameter and a spherical outer ring, allowing for initial misalignment. It utilizes a reliable set screw locking mechanism for secure shaft attachment. Constructed from durable bearing steel, the UC311-SB-01 provides excellent load capacity and extended service life, making it an ideal replacement part for maintaining operational efficiency.