Accessories for printing presses (included in this class); bearings and mountings for rolls and cylinders of printing presses; machine parts in the form of bearings having automatic bearing play adjustment; printing presses, in particular for web-fed offset for printing newspapers and illustrations, for sheet-fed offset, for digital printing, and parts thereof, machines for processing plastics, in particular for varnishing and for print finishing, mechanical folders, feeding and delivering machines for the printing material, transport, storage, addressing and packaging machines for printed matter, plate bending machines