50 90mm steel ball for bearing ผลิตออนไลน์

50.90mm(2.003937"), customized size, high chrome steel balls for bearing Introduction Chromium (Gcr15, 100Cr6, 52100, SUJ2) steel balls, also called bearing steel balls. The high-precision chromium steel ball ... อ่านเพิ่มเติม

50.91mm(2.004331"), 50.72mm To 50.92mm , Large Solid Steel Balls For Big Bearing , G40 Introduction GCr15 steel is a representative steel of high-carbon chromium bearing steel with good overall performance.the ... อ่านเพิ่มเติม

50.92mm(2.0047244"), 50.72mm To 50.91mm , High Quality Large Solid Steel Balls For Big Bearing , G40 Introduction GCr15 steel is the representative steel of high carbon chromium bearing steel, with good overall ... อ่านเพิ่มเติม