(a) Interpretation 1: Anti-friction bearing or bearing systems and specially designed parts. (1) Anti-friction bearings or bearing systems shipped as spares or replacements are classified under Export Control Classification Number (ECCN) 2A001 (ball, roller, or needleroller bearings and parts). This applies to separate shipments of anti-friction bearings or bearing systems and antifriction bearings or bearing systems shipped with machinery or equipment for which they are intended to be used as spares or replacement parts.