Some items from this specific schematic: Bearing-ball,6204uuc3, Collar,rr Hub,l=144.5, Wheel-assy,rr,black/g, Sleeve,rr Hub,l=23.
The Pin-cotter,4.0x35 is the lowest priced item on this Rear Wheel/chain schematic.
On this parts fiche the Stud,10x19 is the most specified component.