| 轴承名称 | 新型号 | 旧型号 | 内径(mm) | 外径(mm) | 厚度(mm) | 参考型号 |
| NSK639 ZZ轴承 | 639 ZZ | 9 | 30 | 10 | 639 ZZ | |
| NSK639轴承 | 639 | 9 | 30 | 10 | 639 | |
| SKFW 639/3-2Z轴承 | W 639/3-2Z | 3 | 8 | 4 | W 639/3-2Z | |
| SKFW 639/2-2Z轴承 | W 639/2-2Z | 2 | 6 | 3 | W 639/2-2Z | |
| SKFLL 639249/210轴承 | LL 639249/210 | 196.85 | 241.3 | 23.812 | LL 639249/210 | |
| Kingonn/a轴承 | 639ZZ | 80039 | 9 | 30 | 10 | n/a |
| SKFLL 639249/2/210/4轴承 | LL 639249/2/210/4 | 196.85 | 241.3 | 23.812 | LL 639249/2/210/4 |