Parts such as the Crankshaft & Piston: Piston Ring Set (0.50mm O/s), Bearing, Piston Ring Set (std), Circlip are included in the Cw50 2005 5ww4 Portugal 1d5ww-300e2 Crankshaft & Piston parts fiche.
The fifteen Cw50 2005 5ww4 Portugal 1d5ww-300e2 Crankshaft & Piston component parts are all listed in this schematic.
On this parts fiche the Bearing is the most specified component.
