... and Design service can be offered 3.Any import brand bearing and ZHYL brand Greese/OilAs you requirement ,such as SRL ... so onSeriesSeries 30200,30300,32200,32300,33000,etc.Ring MatericalChrome Steel,Carbon steel, Stainless steelTolerance gradeGB/T307.1-205ID Size10mm-280mmQuality standardISO ... assurance to make sure our products can meet your requirement. Self-aligning Ball Bearing 108