Befestigungsvorrichtung für eine Laufrolle und Laufrolle mit einer solchen Vorrichtung

摘要

The fixing comprises a bolt (15) having a cylindrical shank (17) and, at one end of the shank a spanner head (18). A sleeve (16) arranged on the bolt comprises bolts (15) for fixing to the inner race and a radial portion (24) whose inner edge is in contact with the screw head and whose outer edge engages the pulley rotating part to form a seal. The fixing is intended for a pulley (1) mounted on a bearing (5) having a row of ball bearings (10) located between a bearing track (7) in an outer race (6) fixed to the pulley and a bearing track (9) in an inner race (8).