... 100 Cr 6(Jis) SVJ 2SKF 310.Production Range: 6200 Series: 625,626,627,628,629,6200,6201,6202,6203,6204 ... ,6205,6206,6207,6208,6209,6210 6000 Series: 605,606,607,608,609,6000,6001,6002,6003,6004 ... ,6802,6803,6804,6805,6806,6807,6808,6809,6810 6300 Series: 6300,6301,6302,6303,6304,6305,6306,6307,6308,6309 ... on both sides Z --------metal seal on one sideOpen type 16001 Deep Grove Ball Bearing