TMB318ZC3 NTN Radial/Deep Groove Ball Bearings Features & Specifications:precision rating : ISO Class 0outside diameter : 190 mmBore Diameter : 90 mmfinish/coating : Uncoatedoverall width : 43 mmbearing material : High Carbon Chrome Steelbore type : Roundcage material : Steelclosure type : Single Shieldinner ring width : 43 mmrow type...