this is the most representative kind of rolling bearing with a wide range of applications.The raceways of both its inner and outer rings are in arc groove form capable of bearing radial load and bi- direcrtional axial load,it is suitable for rotation at a high speed and occasions requiring low noise ,low vibration.
seal type bearing with dustproof cover and rubber seal ring is pre-filled with moderate grease.
Such bearing are widely used in automobile,electrical equipment,instrument,building machinery,rolling stock agricultural machinery and various specialized machineries.