1)metric Taper roller bearing 2)Series: 30300 , 32000 , 32300 30200 , 31300 , 32200 3) GB brand Metric Taper roller bearing 30305Specification(d*D*T ... .75312521.50.75730208408019.7518161.51.50.4230308409025.25232021.50.72(2)Material: Chrome steel,Carbon Steel,Stainless Steel,GCR15(3)Packing ... and drafts. For more information,wellcome your letter! metric taper roller bearings 30305