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import bearing
| 基本尺寸 | 型号 | ||
|---|---|---|---|
| Model | |||
| d[mm] | D[mm] | B[mm] | |
| 530 | 710 | 180 | NNU49/530 |
| 500 | 670 | 170 | NNU49/500 |
| 560 | 750 | 190 | NNU49/560 |
| 500 | 670 | 170 | NNU49/500K |
| 600 | 800 | 200 | NNU49/600 |
| 530 | 710 | 180 | NNU49/530 |
| 100 | 140 | 40 | NNU4920 |
| 560 | 750 | 190 | NNU49/560 |
| 100 | 140 | 40 | NNU4920K |
| 105 | 190 | 36 | N221 |
| 110 | 200 | 38 | N222 |
| 120 | 215 | 40 | N224 |
| 130 | 230 | 40 | N226 |
| 140 | 250 | 42 | N228 |
| 150 | 270 | 45 | N230 |
| 160 | 290 | 48 | N232 |
| 170 | 310 | 52 | N234 |
| 180 | 320 | 52 | N236 |
| 190 | 340 | 55 | N238 |
| 200 | 360 | 58 | N240 |
| 20 | 52 | 15 | N304 |
| 25 | 62 | 17 | N305 |
| 30 | 72 | 19 | N306 |
| 35 | 80 | 21 | N307 |
| 40 | 90 | 23 | N308 |
| 45 | 100 | 25 | N309 |
| 50 | 110 | 27 | N310 |
| 55 | 120 | 29 | N311 |
| 60 | 130 | 31 | N312 |
| 65 | 100 | 18 | N1013 |
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