To better understand frequently used plain bearing and rod end specific terms, definitions for spherical plain bearings are provided in fig. 1 and for rod ends in fig. 2.
Spherical plain bearing1 Outer ring
2 Sliding contact surfaces
4 Inner ring
5 Lubrication hole
6 Lubrication groove
Rod end1 Spherical plain bearing
2 Rod end
2a Rod end housing
2b Rod end shank, with an external (male) thread.
Shanks are also available with an internal (female) thread
or with a welding shank.
3 Grease fitting