The deep groove ball bearing mainly supports radial loading as well as axial loading. This kind of bearing has less coefficient frication, high limited speed, and also the size range and structure are various. They are suitable for the precision instruments, low noise electric motor, automobiles, motorcycles and common machineries. They are the most widely used type of bearing in machinery industry Size Inner Outer Width Weight 603 3 9 3 .0009 604 4 12 4 .0021 605 5 14 5 .0035 606 6 6 6 .006 607 7 19 7 .019 608 8 22 7 .015 609 9 24 7 .016 6000 10 26 8 .019 6001 12 28 8 .021 6002 15 32 9 .03