abstreifring for each spindle unit is a wellenteil period, a majority of segments (22, 31), each as an independent element for contact with a dichtungsabschnitt of wellenteils are formed; stu00fctzachsen (22b; 34a) in the same period of axialrichtung wellenteils in the respective segments (22, 31)),with the segments (22, 31) in the circumferential wellenteils to stu00fctzachsen (22b; 34a) around rotating are arranged and with the stu00fctzachsen (22b; 34a) using stu00fctzteilen are linked to the relative movement of the respective stu00fctzachsen (22b; 34a) to limit a federation; and relement (23, 32) to vorspannen segments (22, 31)the wellenteils are arranged in circumferential, radial to the center of the stu00fctzteils to be directed.
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