... ABEC-9,ABEC-11 3.Color:any color Training racing ball bearing .Roller bearing ABEC series .Skate ... SGC is specialized in the production of miniature ball bearings. With high precision ,low noise and ... , we also export other bearings,such as Ball Bearings,Needle Roller Bearings,ect..We supply OEM ... preferred skate package. Deep Groove Ball Bearing,Skate Wheel Bearing,Training Racing Ball Bearing 608RS