A trunnion (from Old French trognon 'trunk') [1] is a cylindrical protrusion used as a mounting or pivoting point. First associated with cannons, they are an important military development.

What are Trunnions and What Are They Used For? Trunnions are mechanical components used in engineering and machinery. They are usually cylindrical or conical projections or pivots that provide …

The meaning of TRUNNION is a pin or pivot on which something can be rotated or tilted; especially : either of two opposite gudgeons on which a cannon is swiveled.

A trunnion is a type of pivot or hinge that allows a rotating shaft to be supported and constrained at both ends. It consists of a cylindrical bearing that is mounted on a flat surface, with a pin or bolt passing …

Trunnion mounts are engineered to provide robust support and precise rotational movement for heavy equipment or components. The fundamental design revolves around cylindrical projections, known …

Dec 2, 2025 · A trunnion is essentially a short length of pipe or solid bar that is welded perpendicularly onto the main process pipe. It is generally a rigid pipe attachment, such as a steel pipe or a structural …

Define trunnion. trunnion synonyms, trunnion pronunciation, trunnion translation, English dictionary definition of trunnion. n. A pin or gudgeon, especially either of two small cylindrical projections on a …

What is a Trunnion? A trunnion is a cylindrical protrusion used as a mounting or pivoting point.

Sep 21, 2025 · A trunnion is a cylindrical protrusion used as a mounting and pivoting point, commonly found in various mechanical and structural applications. Trunnions are designed to facilitate rotation …

Oct 25, 2025 · (firearms) One of the short stubby bearings on either side of a cannon; a pintle. (engineering) A similar rotational bearing comprising a rotating arc or ring sliding in the groove of a …