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.