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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| IR455240 | 45 | 52 | 40 | 0.6 | 49 | 51 | — | — | RNA6909 | — | — | — | — | 0.165 |
| IRZ455241 | 45 | 52 | 41 | 0.6 | 49 | 51 | — | — | RNA6909UU | — | — | — | — | 0.17 |
| IR455520 | 45 | 55 | 20 | 0.6 | 49 | 54 | — | — | — | — | — | — | RNAF557220 | 0.12 |
| IR455522 | 45 | 55 | 22 | 1 | 50 | 54 | — | — | — | — | — | — | 0.13 | |
| IR455540 | 45 | 55 | 40 | 0.6 | 49 | 54 | — | — | — | — | — | — | RNAFW557240 | 0.245 |
| IR505520 | 50 | 55 | 20 | 0.6 | 54 | 54.5 | — | — | — | — | — | — | RNAF556820 | 0.063 |
| IR505525 | 50 | 55 | 25 | 0.6 | 54 | 54.5 | — | — | — | — | NK55/25 | — | — | 0.077 |
| IR505535 | 50 | 55 | 35 | 0.6 | 54 | 54.5 | — | — | — | — | NK55/35 | — | — | 0.11 |
| IR505540 | 50 | 55 | 40 | 0.6 | 54 | 54.5 | — | — | — | — | — | — | RNAFW556840 | 0.13 |
| IR505822 | 50 | 58 | 22 | 0.6 | 54 | 57 | RNA4910 | — | — | — | — | — | — | 0.116 |
| IRZ505823 | 50 | 58 | 23 | 0.6 | 54 | 57 | RNA4910UU | — | — | — | — | — | — | 0.118 |
| IR505830 | 50 | 58 | 30 | 0.6 | 54 | 57 | — | RNA5910 | — | — | — | — | — | 0.159 |
| IR505840 | 50 | 58 | 40 | 0.6 | 54 | 57 | — | — | RNA6910 | — | — | — | — | 0.21 |
| IRZ505841 | 50 | 58 | 41 | 0.6 | 54 | 57 | — | — | RNA6910UU | — | — | — | — | 0.215 |
| IR506020 | 50 | 60 | 20 | 1 | 55 | 59 | — | — | — | — | — | — | RNAF607820 | 0.135 |
| IR506025 | 50 | 60 | 25 | 1 | 55 | 59 | — | — | — | — | — | NKX60(Z) | — | 0.163 |
| IR506040 | 50 | 60 | 40 | 1 | 55 | 59 | — | — | — | — | — | — | RNAFW607840 | 0.265 |
| IR556025 | 55 | 60 | 25 | 0.6 | 59 | 59.5 | — | — | — | — | NK60/25 | — | — | 0.088 |
| IR556035 | 55 | 60 | 35 | 0.6 | 59 | 59.5 | — | — | — | — | NK60/35 | — | — | 0.12 |
| IR556325 | 55 | 63 | 25 | 1 | 60 | 61 | RNA4911 | — | — | — | — | — | — | 0.145 |
