Compatible possible slide bearing, slide bearing part and retractable part - slide bearing layout for retractable crane jib

摘要

A telescopic crane jib slide bearing part comprises a cavity (3) and a filling mass (4) in the cavity. Independent claims are included for: (1) a telescopic crane jib slide bearing and comprising one or more of the bearing parts; and (2) a telescopic slide bearing arrangement for a telescopic crane jib slide bearing and comprising a slide bearing as above between two telescoping parts (1,2).