Suction ring device for the extension arm of a machine processing sheets of paper machine has a bearing race body and a bearing device for holding the bearing race body so as to let it rotate

摘要

Attached to the outer surface of a bearing race body, a running ring device (7) forms a running surface (7a) for making contact with sheets of paper. The running ring device is made from a plastic/elastomer material. In an inner body (3) there is a suction channel (4) leading to an inner surface of a lining section (1a) via an edge channel (5).