Journal bearings generally execute a slidingmotion between a bearing journal and a bearing shell. This sliding motion isusually lubricated by an intermediate medium. Hydrodynamic journal bearingsgive wear-free continuous duty for large diameters at high speeds, and aresuitable for high and shock-type loading. They are usually constructed as splitbearings. Frictional heat occurring during operation must be dissipated by thelubricant.
Journal bearings is a horizontally splithydrodynamic pedestal journal bearing. The bearing shells are supported by aspherical face in the bearing housing so as to ensure uniform transfer of anyforces that arise on the bottom part of the housing. The journal bearing islubricated by a loose lubricating ring. Standard commercially available mineraloils can be used. An auxiliary shaft is supplied together with the bearing asan aid to assembly and functional testing.