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| 轴承现行代号 | 外形尺寸（mm） | |||
| d | D | B | C | |
| NA205-16 | 25.4 | 52 | 44.3 | 17 |
| NA206-17 | 30 | 62 | 48.3 | 19 |
| NA206-18 | 28.575 | 62 | 48.3 | 19 |
| NA206-19 | 30.162 | 62 | 48.3 | 19 |
| NA206-20 | 31.75 | 62 | 48.3 | 19 |
| NA207-20 | 31.75 | 72 | 51.1 | 20 |
| NA207-21 | 33.338 | 72 | 51.1 | 20 |
| NA207-22 | 34.952 | 72 | 51.1 | 20 |
| NA207-23 | 36.512 | 72 | 51.1 | 20 |
| NA208-24 | 38.1 | 80 | 56.3 | 21 |
| NA208-25 | 39.688 | 80 | 56.3 | 21 |
| NA209-26 | 41.275 | 85 | 56.3 | 22 |
| NA209-27 | 42.862 | 85 | 56.3 | 22 |
| NA209-28 | 44.45 | 85 | 56.3 | 22 |
| NA210-30 | 47.625 | 90 | 62.7 | 23 |
| NA210-31 | 49.212 | 90 | 62.7 | 23 |
| NA210-32 | 50.8 | 90 | 62.7 | 24 |
| NA211-32 | 50.8 | 100 | 71.3 | 25 |
| NA211-34 | 53.975 | 100 | 71.3 | 25 |
| NA211-35 | 55.562 | 100 | 71.3 | 25 |
| NA212-36 | 57.15 | 110 | 77.7 | 27 |
| NA212-37 | 58.738 | 110 | 77.8 | 27 |
| NA212-38 | 60.325 | 110 | 77.7 | 27 |
| NA212-39 | 61.912 | 110 | 77.7 | 27 |
| NA213-40 | 63.5 | 120 | 85.7 | 28 |
| NA213-43 | 68.262 | 120 | 85.7 | 28 |
| NA214-43 | 68.262 | 125 | 85.7 | 30 |
| NA214-44 | 69.85 | 125 | 85.7 | 30 |
| NA215-44 | 69.85 | 130 | 92.1 | 32 |
| NA215-46 | 73.02 | 130 | 92.1 | 32 |
| NA215-47 | 74.612 | 130 | 92.1 | 32 |
| NA215-48 | 76.2 | 130 | 92.1 | 30 |
