Special pumping bearing / GP20 Intertek cable is equipped - special pumping bearing / GP20 is equipped bearing Intertek cable determines whether the cable is used for the length of time, so I chose the cable is to be careful of, our company Harbin Bearing is a special quality is the best, then how to choose the right bearing it? Let me give you some advice model size bearings Model GP3-15 Z6003 GP3-20 Z6005 GP3-30 Z6007 GP3-40 Z6009 Z6010 2 种 GP3-50 Z6011 Z6012 2 种 GP3-60 Z6013 Z6014 2 seed light pole cable device inside the bearing After the bearing for the processing, that is, the inner diameter of the machining tool like bighorn triangular