Patent ID: 6604859
Filing Date: 2003-08-12
Classification: B21B,F16C,Y10T

Abstract:
A bushing for rotatably supporting the journal surface of a roll neck in a rolling mill, said bushing comprising:a cylindrical wall having an inner bearing surface configured and dimensioned to surround said journal surface; a primary recess in said bearing surface into which oil is admitted to serve as a lubricant between said journal and bearing surfaces, said primary recess having a first width measured between circumferentially spaced first edges and a length measured between axially spaced ends, the ends of said primary recess being spaced from the ends of said bearing surface by land segments of said bearing surface; and secondary recesses in said land segments, each of said secondary recesses extending from a respective end of said primary recess to an adjacent end of said bearing surface, said secondary recesses having second widths measured between circumferentially spaced second edges with said second widths being narrower than said first width.