A sample from the products for the Rear Swinging Arm (model T) include: Bearing(22x35x2), Nut, Spacer,rr Swgarm Pivot Outer, Spacer,swgarm Pivot Inner.
This schematic depicts all components used in the Rm250 1998 (w) (e02 E04 E24 P37) Rear Swinging Arm (model T) partslist.
The Washer, Fixed Drive Face is the cheapest item from this partsfiche.