... 6001,6002,6003,6004 --- Open, ZZ(Steel Shields), 2RS, UG, 2RZ; 2).6200 Series: 626,627, ... 6201,6202,6203,6204,6205 --- Open, ZZ(Steel Shields), 2RS, UG, 2RZ; 3).6300 Series: 6300,6301,6302 ... --- Open, ZZ(Steel Shields), 2RS, UG, 2RZ; 4).Other Non-standard Bearings as you ... Outside Diameter26(mm)width8(mm)Seals TypeOPEN 2Z 2RS Z RSMaterialRing Material Chrome Steel ,Carbon steel,Stainless ...