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Swivel plain bearing / self-lubricated
The Maintenance-free radial spherical plain bearings is considered to be under maintenance-free which have an inner ring with an orbital convex outside diameter and an outer ring with an appropriately orbital but concave inner surface. The development makes them singularly suitable for bearing preparations where alignment movements between shaft and housing have to be considered, or where fluctuating or intermittent tilting or slewing movements must be granted at relatively slow sliding speeds.Additionally, they are made with three different sliding contact surface combinations and as it depends on bearing dimensions and series, they are available in several multiple designs. Included with the bearings of carbon chromium steel, the stainless steel bearings resistant to corrosion in oxidizing environments are also available.