Category: Bearings & Bushings

A bearing is selected by the load it carries and the motion it allows, not by its catalog number. This section covers the decisions behind a reliable shaft support: whether the load is radial or axial, whether the application needs rolling contact or a plain sliding surface, how speed and misalignment narrow the options, and how lubrication and fit tolerances determine service life. Subcategories below—ball bearings, roller bearings, bushings and plain bearings—are organized around the selection question each one answers. If you are specifying a bearing for a new design or diagnosing one that failed early, start here.