In this schematic the "Bearing(17x24x20)" is used most often.
A sample from the products for the Rear Swinging Arm (model K3) include: Nut 12mm, Bolt(6x40), Plate,guide Chain Outer, Shaft,rr Swingingarm Pivot.
Check out any of the nineteen Rear Swinging Arm (model K3) components enlisted.