An anti dust sealed bearing

An anti dust sealed spindle bearing bearing, comprising a bearing outer ring, the inner ring of the bearing, roller, bearing ring and O ring, rolling body is arranged between the bearing outer ring and the inner ring of the bearing, the bearing outer ring and the inner ring of the bearing between the two ends are respectively provided with a slim ball bearing ring, the inner ring of the bearing is arranged on the outer surface and O shaped groove ring fit, O ring is embedded in the groove, bearing seal lip and the O ring surface contact. The utility model has the advantages as follows: combined sealing ring using O ring and the bearing, and in combination with the surface to prevent the dustfilled with oil to reach outside of bearing purpose. Widely used in machinery and equipment, dust effects of electrical appliances, hardware tools etc..