Fixing unit for a belt idler roller comprises an elastic slit holder ring is inserted under preload into the bearing bore to secure the unit during its transport

摘要

The fixing unit incorporating a fixing screw (5) fitted into the bore of the inner race (3) of a ball bearing (1) is provided with a slit holder ring (10) for securing the unit during its transport. The outer diameter of this ring - whose bore surrounds the undercut section (9) of the fixing bolt - in free state is greater than the diameter of the bore of the inner race (3).