IR内圈
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轴承型号
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主要尺寸(mm)
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安装尺寸(mm)
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配套轴承
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重量(kg)
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IR内圈
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d
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F
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B
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rs
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da(min)
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da(max)
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RNA49
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RNA59
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RNA69
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RNA48
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NK
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NKX
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RNAF
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| IR253016 | 25 | 30 | 16 | 0.3 | 27 | 29 | — | — | — | — | — | — | RNAF304216 | 0.028 |
| IR253017 | 25 | 30 | 17 | 0.3 | 27 | 29 | RNA4905 | — | — | — | — | — | RNAF304017 | 0.0285 |
| IRZ253018 | 25 | 30 | 18 | 0.3 | 27 | 29 | RNA4905UU | — | — | — | — | — | — | 0.0295 |
| IR253020 | 25 | 30 | 20 | 0.3 | 27 | 29 | — | — | — | — | — | NKX30(Z) | — | 0.033 |
| IR253020.5 | 25 | 30 | 20.5 | 0.3 | 27 | 29 | — | — | — | — | — | — | — | 0.034 |
| IR253023 | 25 | 30 | 23 | 0.3 | 27 | 29 | — | RNA5905 | — | — | — | — | — | 0.038 |
| IR253025.5 | 25 | 30 | 25.5 | 0.3 | 27 | 29 | — | — | — | — | — | — | — | 0.0425 |
| IR253026 | 25 | 30 | 26 | 0.3 | 27 | 29 | — | — | — | — | — | — | RNAFW304026 | 0.0445 |
| IR253026.5 | 25 | 30 | 26.5 | 0.3 | 27 | 29 | — | — | — | — | — | — | — | 0.044 |
| IR253030 | 25 | 30 | 30 | 0.3 | 27 | 29 | — | — | RNA6905 | — | — | — | — | 0.049 |
| IR253030.5 | 25 | 30 | 30.5 | 0.3 | 24 | 29 | — | — | — | — | — | — | — | 0.0505 |
| IRZ253031 | 25 | 30 | 31 | 0.3 | 27 | 29 | — | — | RNA6905UU | — | — | — | — | 0.051 |
| IR253032 | 25 | 30 | 32 | 0.3 | 27 | 29 | — | — | — | — | — | — | RNAFW304232 | 0.054 |
| IR253038.5 | 25 | 30 | 38.5 | 0.3 | 27 | 29 | — | — | — | — | — | — | — | 0.064 |
| IR283217 | 28 | 32 | 17 | 0.3 | 30 | 31 | RNA49/28 | — | — | — | — | — | — | 0.0245 |
| IR283220 | 28 | 32 | 20 | 0.3 | 30 | 31 | — | — | — | — | NK32/20 | — | — | 0.0285 |
| IR283220.5 | 28 | 32 | 20.5 | 0.3 | 30 | 31 | — | — | — | — | — | — | — | 0.0295 |
| IR283223 | 28 | 32 | 23 | 0.3 | 30 | 31 | — | RNA59/28 | — | — | — | — | — | 0.034 |
| IR283230 | 28 | 32 | 30 | 0.3 | 30 | 31 | — | — | RNA69/28 | — | NK32/30 | — | — | 0.043 |
| IR283230.5 | 28 | 32 | 30.5 | 0.3 | 30 | 31 | — | — | — | — | — | — | — | 0.044 |
