6004ZC3 NTN Radial/Deep Groove Ball Bearings Features & Specifications:Bore Diameter : 20 mmprecision rating : ISO Class 0outside diameter : 42 mmfinish/coating : Uncoatedoverall width : 12 mmbore type : Roundbearing material : High Carbon Chrome Steelcage material : Steelclosure type : Single Shieldinner ring width : 12 mmouter ring...