RIG BEARING ESF 28.00X 58.00MM, BASIC NAME BEARING NAME RIGID MODIFIER SPHERES ROUNDS ONE ROUND CONVENTIONAL INNER RING CYLINDRICAL HOLE CYLINDRICAL OUTER RING GROOVE WITHOUT GROOVE NORMAL CLEARANCE STEEL CAGE DOUBLE SHIELDING WITHOUT SHIELDING DEFLECTOR WITHOUT DEFLECTOR NORMAL TOLERANCE INNER DIAMETER 28.00 MM DIAMETER 158.00, EXTERIOR 00 MM COMMERCIAL REFERENCE NSK-62/28-DDU