Plain bearings and sleeve bearings (also referred to as bushings or journal bearings) are used to constrain, guide or reduce friction in rotary or linear applications. They function via a sliding ...

In rotary bearings, there are two basic types of bearing cage designs: crown and ribbon. Crown retainers feature a single-piece, open-ball pocket design. Ribbon retainers have a two-piece, open-ball ...

There are kits to replace those bushings with bearings to eliminate that semi-annual maintenance project. Those kits work well, and they aren’t hard to install. At first glance the concept of ...