A detachable part in or on which a journal, gudgeon, pivot, or the like moves. It is used to carry a load and to reduce sliding friction. It does not employ rolling elements. It may be divided into two or more segments of 180 degrees (3.141 radians) or less. The item has a cylindrical bore and is basically spherical in its exterior design to allow for shaft misalignment. Excludes:bearing, plain, self-aligning.
rudder marine, 2040-01-412-4912 aboard 49 ft busl coast guard vessels end item identification, lower bearing, orkot limited, non-metallic polyester bonded synthetic fabric bearing of one piece construction; log bore is based upon orkot formula for shrink fit, shaft bore squeeze, water swell, and a running clearance of .020 nominal; the finish dimensions, before installation at 70 deg. f; are 3.447/3.443 od by 2.288/2.284 id special features