| 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): 17.6 Outer diameter (mm): 45 厚度(m m):12 内径耐受性:±1.0μm(1或更少至30或更少),±1.5μm(30或更高至50或更少),±2.0μm,50或更少至100或更少),±5.0μm(100或更少至200或更少)(100或更少) 0.05/φ100 并行性:0.015mm
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