Deep groove ball bearing Suitable for steel mill machinery, mining machinery, motor, oil machinery, cement machinery and other heavy machinery 6020,6021,6022,6024,6026,6028,6030,6034,6036,6038,6040,6044,6048,6052,6056,6060,6064,6068,6072,6076,6080,6084,6088,6092,6096,60/500,60/530,60/560,60/600,60/630,60/670,60/710,60/800etc; 6226,6228,6230,6232,6234,6236,6238,6240,6244,6248,6252etc;6320,6321,6322,6324,6326,6328,6330,6332,6334,6336,6338,6340,6344,6348,6352etc;6416,6417,6418,6419,6420,6422,6426etc;