How do i choose Linear Guides Selection of Machine

We are trying to make new machine for [login to view URL] should have carry nearly 5 to 10 kilograms of weight and movement will be on 150 cm tall. Normal height of machine will be nearly 200cm. In attachment you can see the shapes as draft. In picture the red one is bellows (İ know the shape is not good for bellows) We will move green part till up end of bellows to reversly to down finish side of bellows. -We want the parts linear guides will be “self‐lubrication” property -We want the parts linear guides will be “maintenance free” property or less maintenance repeats. First of all we need to learn which parts we need (Economic and stable ones are in priority)(Detailedly explanation need why we should do this) Second one if possible we want full structure 2d or 3d of whole system with skeleton and lineer system