菲立柏斯导向轴承 | 58 | 41.5 | 40 | 84g | 23 | QJ型-18.5KW 以内潜水电机 | 适用于外径200mm以内潜水电机 | This product is improved and optimized based on the introduction of overseas technology, which has excellent performance, high temperature resistance, self lubrication, low friction coefficient, using the installation more convenient, widely used in large, medium and small submersible motor. |