6211NRC3 NTN Radial/Deep Groove Ball Bearings Features & Specifications:Bore Diameter : 55 mmprecision rating : ISO Class 0outside diameter : 100 mmfinish/coating : Uncoatedoverall width : 21 mmbore type : Roundbearing material : High Carbon Chrome Steelcage material : Steelclosure type : Openinner ring width : 21 mmouter ring width...