The lowest price component in this Rear Swinging Arm (model K3/k4) parts-list fiche is the Screw.
Parts such as the Rear Swinging Arm (model K3/k4): Bearing(17x24x20), Screw, Spacer(6.5x12x5.5), Spacer,rear Swing Pivot,center are included in the Sv1000 2004 (k4) Usa (e03) Rear Swinging Arm (model K3/k4) parts fiche.
In this schematic the "Bearing(30x40x30)" is used most often.