内径:20（mm） 厚度:12（mm） 类型:深沟球轴承 重量:0.068（kg） 滚动体列数:单列 滚道类型:深沟滚道 保持架及其材料:F1碳钢 使用特性:高速 轴承材质:高碳铬轴承钢（全淬透型)(GCr15) 用途:工程机械 样品或现货:现货 外径:42（mm） 内径: 厚度: 类型: 重量: 滚动体列数: 滚道类型: 保持架及其材料: 使用特性: 轴承材质: 用途: 样品或现货: 外径: 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