seal for bearings with outer ring spinning.

摘要

A rolling bearing has an outer ring and an inner ring and rolling elements positioned between the inner and outer rings. A seal at each end of the bearing includes a sheet metal portion extending radially from and affixed to the inner ring, and an elastic seal portion sliding on the bore of the outer ring. A plurality of axially inwardly extending projections on the sheet metal portion have different lengths, with their lengths increasing with increasing diameters thereof.