... bearing 2.material:bearing steel Gcr15 3.inner diameter:130mm 4.outer diameter:200mm 5.OEM service Description Products NameTaper roller bearing ... bearing,Double-row taper roller bearing,Four-row taper roller bearing,auto bearing,Machine-tool bearing,Construction bearing ,Heavy-duty bearing ,tapered roller bearing ,agriculture machine bearing.bearing ... , Hangzhou Dongzheng Bearing Industrial Co., Ltd ...