... OEM service material:Gcr15,Gcr11 1.specification for some taper roller bearing items MODEL NO.Inner Diameter external Diameter widthweight (mm ... - 2.our main products line Remark: Spherical roller (21000, 22000, 23000, 24000, 29000 Series) Tapered roller (30000 series and Inch Size). Thrust ... INNA NACHI IKO NTN NSK KOYO 3.photo of taper roller bearing If you have any need and problem,please dont ...