... .Single row tapered roller bearings 2.30200,30300,31300,32000,32200,32300,33000,33200,inch series 3.OEM,Buyer label offered ... Roller BearingsGoods nameSingle row taper roller bearingModels30200,30300,31300,32000,32200,32300,33000,33200 and inch seriesMaterialChrome steel GCr15Inside Diameter10mm~280mmGradeP0CageSteelHardnessHRC58 ...