| 轴承名称 | 新型号 | 旧型号 | 内径(mm) | 外径(mm) | 厚度(mm) | 参考型号 |
| NSKF 684轴承 | F 684 | 4 | 9 | 10.3 | F 684 | |
| NSK684 ZZ轴承 | 684 ZZ | 4 | 9 | 2.5 | 684 ZZ | |
| NSK6848轴承 | 6848 | 240 | 300 | 28 | 6848 | |
| NSK6840轴承 | 6840 | 200 | 250 | 24 | 6840 | |
| SKF68450/68712轴承 | 68450/68712 | 114.3 | 180.975 | 34.925 | 68450/68712 | |
| Kingonn/a轴承 | 684ZZ | 4 | 9 | 4 | n/a | |
| Kingonn/a轴承 | F684 | 4 | 9 | 2.5 | n/a | |
| Kingonn/a轴承 | 684 | 1000084 | 4 | 9 | 2.5 | n/a |
| Kingonn/a轴承 | F684ZZ | 4 | 9 | 4 | n/a | |
| NSK6844轴承 | 6844 | 220 | 270 | 24 | 6844 | |
| NSK684轴承 | 684 | 4 | 9 | 2.5 | 684 | |
| NSKF 684 ZZ轴承 | F 684 ZZ | 4 | 9 | 10.3 | F 684 ZZ | |
| SKFLL566848/810/HAI 轴承 | LL566848/810/HAI | 403.225 | 460.375 | 28.575 | LL566848/810/HAI |