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Awọn ẹya ara ẹrọ
1. This instrument is a mechanical measuring instrument with comparative method, mainly used for measuring the ID and OD, fourth degree and wall thickness difference of the inner and outer drawing of the bearing.
2.It is mainly used for measuring the ID and OD, roundness, taper and width of the bearing outer ring.
ni pato
| awoṣe | Iwọn wiwọn | Indication erro | Variation of indication |
| D922 | Inner diameter Ø3-10 | ± 0.001 | 0.001 |
| D923 | Inner diameter Ø20-100, outer diameter Ø15-80 | ± 0.001 | 0.001 |
| D923A | Inner diameter Ø20-100, outer diameter Ø 15-80 | ± 0.001 | 0.001 |
| D924 | Inner diameter Ø50-140, outer diameter Ø30-120 | ± 0.001 | 0.001 |
| D925 | Inner diameter Ø60-220, outer diameter Ø60-200 | ± 0.001 | 0.001 |
| Iwọn opin ita | |||
| D913 | Outer diameter Ø30-120, width 8-60 | ± 0.001 | 0.001 |
| D913-1 | Outer diameter Ø30-200 | ± 0.001 | 0.001 |
| D914 | Outer diameter Ø30-120, width≦70 | ± 0.001 | 0.001 |
| D915 | Outer diameter Ø215-300, width≦70 | ± 0.001 | 0.001 |
| D916 | Outer diameter Ø400-600 | ± 0.001 | 0.001 |
