| 轴承名称 | 新型号 | 旧型号 | 内径(mm) | 外径(mm) | 厚度(mm) | 参考型号 |
| FAGNA 6904轴承 | NA 6904 | - | 20 | 37 | 30 | NA 6904 |
| SKFRNA 6904轴承 | RNA 6904 | - | 20 | 37 | 30 | RNA 6904 |
| NSK6904N 轴承 | 6904N | 20 | 37 | 9 | 6904N | |
| NTNNA 6904轴承 | NA 6904 | - | 20 | 37 | 30 | NA 6904 |
| NSK6904DDU轴承 | 6904DDU | 20 | 37 | 9 | 6904DDU | |
| INANA6904 轴承 | NA6904 | 20 | 37 | 30 | NA6904 | |
| NSK6904NR轴承 | 6904NR | 20 | 37 | 9 | 6904NR | |
| INANA 6904轴承 | NA 6904 | - | 20 | 37 | 30 | NA 6904 |
| NSK6904VV轴承 | 6904VV | 20 | 37 | 9 | 6904VV | |
| NTNRNA 6904轴承 | RNA 6904 | - | 20 | 37 | 30 | RNA 6904 |
| INARNA 6904轴承 | RNA 6904 | - | 20 | 37 | 30 | RNA 6904 |
| FAGRNA 6904轴承 | RNA 6904 | - | 20 | 37 | 30 | RNA 6904 |
| INARNA6904轴承 | RNA6904 | 25 | 37 | 30 | RNA6904 | |
| NSK6904轴承 | 6904 | 20 | 37 | 9 | 6904 | |
| NSK6904ZZ轴承 | 6904ZZ | 20 | 37 | 9 | 6904ZZ | |
| SKFNA 6904轴承 | NA 6904 | - | 20 | 37 | 30 | NA 6904 |