The Contacting Type can be divided into A, B, C, DB, DF and DT. SeriesItem NO.Bore Diameter(mm)70007000~706010~30072007200~724810~24073007300~734010~20079007906~793230~16032003200~322210~11033003302~332215~11052005200~522010~10053005303~531617~80 Angular Contact Ball Bearings