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| 轴承现行代号 | 轴承曾用代号 | 外形尺寸（mm） | |||
| d | D | B | C | ||
| NA201* | 12 | 47 | 43.5 | 17 | |
| NA201S | 12 | 40 | 37.3 | ||
| NA202 | 15 | 40 | 37.3 | 14 | |
| NA202* | 15 | 47 | 43.5 | 17 | |
| NA202S | 15 | 40 | 37.3 | ||
| NA203 | 17 | 40 | 37.3 | 14 | |
| NA203* | 17 | 47 | 43.5 | 17 | |
| NA203S | 17 | 40 | 37.3 | ||
| NA204 | 20 | 47 | 43.5 | 16 | |
| NA205 | 25 | 52 | 44.3 | 17 | |
| NA206 | 30 | 62 | 48.3 | 19 | |
| NA207 | 35 | 72 | 51.1 | 20 | |
| NA208 | 40 | 80 | 56.3 | 21 | |
| NA209 | 45 | 85 | 56.3 | 22 | |
| NA210 | 50 | 90 | 62.7 | 23 | |
| NA211 | 55 | 100 | 71.3 | 25 | |
| NA212 | 60 | 110 | 77.7 | 27 | |
| NA213 | 65 | 120 | 85.7 | 28 | |
| NA214 | 70 | 125 | 85.7 | 30 | |
| NA215 | 78 | 130 | 92.1 | 30 | |
| NA216 | 80 | 140 | 95.2 | 33 | |
| NA217 | 85 | 150 | 73.2 | ||
| NA218 | 90 | 160 | 72.5 | ||
| NA201-8 | 12.7 | 47 | 43.5 | 17 | |
| NA202-9 | 14.288 | 47 | 43.5 | 17 | |
| NA202-10 | 15.875 | 40 | 37.3 | 14 | |
| NA203-11 | 17.462 | 40 | 37.3 | 14 | |
| NA203-11* | 17.462 | 47 | 43.5 | 17 | |
| NA204-12 | 19.05 | 47 | 43.5 | 16 | |
| NA205-14 | 22.225 | 52 | 4.3 | 17 | |
| NA205-15 | 23.812 | 52 | 44.3 | 17 | |
| NA205-16 | 25.4 | 52 | 44.3 | 17 | |
