| 轴承名称 | 新型号 | 旧型号 | 内径(mm) | 外径(mm) | 厚度(mm) | 参考型号 |
| BARDEN121HDT轴承 | 7021 C/DT | 436121 | 105 | 160 | 52 | 121HDT |
| SNR7021CDT轴承 | 7021 C/DT | 436121 | 105 | 160 | 52 | 7021CDT |
| MRC121-KRDT轴承 | 7021 C/DT | 436121 | 105 | 160 | 52 | 121-KRDT |
| GMN6021CDT轴承 | 7021 C/DT | 436121 | 105 | 160 | 52 | 6021CDT |
| NACHI7021CDT轴承 | 7021 C/DT | 436121 | 105 | 160 | 52 | 7021CDT |
| NTN7021CDT轴承 | 7021 C/DT | 436121 | 105 | 160 | 52 | 7021CDT |
| NSK7021CDT轴承 | 7021 C/DT | 436121 | 105 | 160 | 52 | 7021CDT |
| SKF7021CD/DT轴承 | 7021 C/DT | 436121 | 105 | 160 | 52 | 7021CD/DT |
| KOYO7021CDT轴承 | 7021 C/DT | 436121 | 105 | 160 | 52 | 7021CDT |
| RHP7021X2DT轴承 | 7021 C/DT | 436121 | 105 | 160 | 52 | 7021X2DT |
