An antifriction bearing having spherical rolling elements designed for use in a track roller assembly.
0.2495 inches minimum and 0.2500 inches maximum bore diameter, contact bearing seal type, mil-g-81322 mil spec single material response lubrication material document and classification, 0.8020 inches minimum and 0.8120 inches maximum crown radius, 0.2760 inches minimum and 0.2810 inches maximum inner ring width