Journal rolling bearing

A journal bearing comprising an inner bearing member defining a pair of axially spaced inner bearing races, a tubular outer bearing ring encircling said inner bearing member and arranged to provide central support for a wheel or the like, said outer bearing ring being formed with outer bearing races juxtaposed with said inner bearing races, at least two rows of rolling elements between said bearing member and bearing ring with the rows spaced from one another axially of the bearing ring, each of said rows being received in an inner bearing race and an outer bearing race juxtaposed therewith, the inner bearing member axially extending beyond the respective inner bearing races in opposite directions respective annular seals mounted upon each end of said inner bearing member and engaging said ring for protecting the rolling elements against contamination, and respective threaded elements carried on axial end portions of the inner bearing member for retaining said seals thereon.