Deep groove ball bearing usually with simple and easy structure, so it is also easier for maintenance. It’s mainly used for carrying radial load, also can endure certain amount of axial load, while the radial windage of bearing is increasing, it also can stand biggish amount of radial load just as angular contact ball bearings.
1.1 deep groove ball bearings( 6000 series) 1.2 deep groove ball bearings with locking groove in outside track( 60000N series) 1.3 deep groove ball bearings whose one side with dust cap, while another side with locking groove in outside track( 60000-ZN series) 1.4 deep groove ball bearings whose both two side are all with dust cap, while another side with locking groove in outside track( 60000-2ZN series) 1.5 deep groove ball bearings with dust cap in on  side( 60000-Z series) 1.6 deep groove ball bearings with dust caps in both two sides( 60000-2Z series) 1.7 deep groove ball bearings with seal ring in one side( 60000-2RS series, 60000-RZ series) 1.8 deep groove ball bearings with seal rings on both two sides( 60000-2RS series, 60000-2RZ series) 1.9 deep groove ball bearing with flange outside track( F60000 series) 1.10 deep groove ball bearings with flange outside track, together with dust cap in one side( F60000-Z series) 1.11 deep groove ball bearings with flange outside track, together with dust caps on both sides( F60000-2Z series).