Drum bearing is used to store the bearing pin of the rope drum, the other end is usually connected to the drive mechanism’s of lifting crane. The most important part of the drum bearing is self-aligning bearing. The entire assembly may also to some extent to eliminate inaccuracies establishment mechanism. For proper function it is necessary to ensure regular lubrication of the bearings.
Body of drum bearing is either cast or may be formed as a welded structure. Is usually mounted on the frame cats, in some specific cases, it may optionally be directly part of it. Heim inside the body is covered on both sides with respective lids seal.
The body of the drum bearings may also include an overload sensor works on the principle of strain gauge load sensing, which is connected to the control electronics of their own crane.