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, mil-g-81322 mil spec single material response lubrication material document and classification, 0.2760 inches minimum and 0.2810 inches maximum inner ring width, 0.8020 inches minimum and 0.8120 inches maximum crown radius, contact bearing seal type