87500 NTN Radial/Deep Groove Ball Bearings Features & Specifications:precision rating : ISO Class 0outside diameter : 30 mmBore Diameter : 10 mmfinish/coating : Uncoatedoverall width : 12.7 mmbearing material : High Carbon Chrome Steelbore type : Roundcage material : Steelclosure type : One Seal/One Shieldinner ring width : 12.192 mmrow...