LEB11-d6,LEB11-d8,LEB11-d10,LEB11-d12,LEB11-d15,LEB11-d17,LEB11-d20,LEB11-d25,LEB11-d30,LEB12-d6,LEB12-d8,LEB12-d10,LEB12-d12,LEB12-d15,LEB12-d17,LEB12-d20,LEB12-d25,LEB12-d30滚动轴承座材质：轴承钢
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