| 规格和标准 |
Includes inspection report card Diameter unequal: 1.0μm (1 or more to 30), 1.6μm (30 or more to 50 or less), 2.0μm (50 or more to 100 or less), 4.0μm (100 or less to 200 or less) Hardness: 653 to 772HV Nominal dimensions (mm): 37.7 Outer diameter (mm):71 厚度(m m):18 内径耐受性:±1.0μm(1或更高至30或以上),±1.5μm(30或更少至50至50至50或更少),±2.0μm,50或更少到100或更少),±5.0μm(100或更小于5.0μm(100或更小)(100或更小)(±5.0μm) 0.05/φ100 并行性:0.015mm 并行性:0.015mm 性能:0.015mm
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