Parts such as the Rear Swinging Arm: Bolt(6x20), Nut, Spacer(6.5x10x7), Washer,chain Adjuster are included in the Dl650 Vstrom 2008 (k8) Usa (e03) Rear Swinging Arm parts fiche.
With two applications this Bearing(25x33x35) is the most specified part.
The lowest price component in this Rear Swinging Arm parts-list fiche is the Bolt(6x20).