XRB bearingis SP130china bearing manufacturer,we focus on produceRUSSIA SP130 railbearings ,SP130bearing inner diameter is 129.949mm,SP130bearing outer diameter is 249.822mm,SP130bearing width is 159mm,SP130bearing are made of chrome steel, each SP130bearing must be 100% testing before Packing, XRB SP130bearing are the same with Russia SPZ,GPZ,VPZ SP 130 bearings. SP130bearing are popular size that could be used in many applications, if you have demand for XRB SP130 bearing,please contact with us.