The method involves positioning a bearing (4) between the side pieces (2') of a metallic base body (2) or partially enclosing by a plastic material, particularly by injection molding, of the base body. A casing (5) with an attachment (8) and another casing...

The roller i.e. bed roller, has a guide tube (5) pivotally arranged over a bearing (4) relative to a bracket (3). A locking element (8) is positioned within the guide tube and arranged in an operating connection with a running wheel (2). Locking units (19-...