HCP211-35 2 3/16" Pillow Block Mounted Bearing - Eccentric CollarHCP211 35 Bearing Pillow Block Bearing With eccentric Collar 2 3 16" Inner Diameter Bearing This is the most common type of mounted ball unit with eccentric collar. The rib at the bottom of the housing mounting section provides for a robust unit that can withstand great loads from any direction. Mounted units with cast steel housings are also available in this series, and are used for applications with severe loading and shock load conditions. Tapered