| Bearing type | Boundary Dimensions（mm） | ||
|---|---|---|---|
| d | D | B | |
| 2305 E-2RS1KTN9 | 20 | 62 | 24 |
| 2305 E-2RS1KTN9 | 25 | 62 | 24 |
| 2305 E-2RS1TN9 | 25 | 62 | 24 |
| 2305 EKTN9 | 20 | 62 | 24 |
| 2305 EKTN9 | 25 | 62 | 24 |
| 2305 ETN9 | 25 | 62 | 24 |
| 2305 M | 25 | 62 | 24 |
| 2306 E-2RS1KTN9 | 25 | 72 | 27 |
| 2306 E-2RS1KTN9 | 30 | 72 | 27 |
| 2306 E-2RS1TN9 | 30 | 72 | 27 |
| 2306 K | 25 | 72 | 27 |
| 2306 K | 30 | 72 | 27 |
| 2306 M | 30 | 72 | 27 |
| 2307 E-2RS1KTN9 | 30 | 80 | 31 |
| 2307 E-2RS1KTN9 | 35 | 80 | 31 |
| 2307 E-2RS1TN9 | 35 | 80 | 31 |
| 2307 EKM | 35 | 80 | 31 |
| 2307 EKTN9 | 30 | 80 | 31 |
| 2307 EKTN9 | 35 | 80 | 31 |
| 2307 EM | 35 | 80 | 31 |
| 2307 ETN9 | 35 | 80 | 31 |
| 2308 E-2RS1KTN9 | 35 | 90 | 33 |
| 2308 E-2RS1KTN9 | 40 | 90 | 33 |
| 2308 E-2RS1TN9 | 40 | 90 | 33 |
| 2308 EKTN9 | 35 | 90 | 33 |
| 2308 EKTN9 | 40 | 90 | 33 |
| 2308 EM | 40 | 90 | 33 |
| 2308 ETN9 | 40 | 90 | 33 |
| 2309 E-2RS1KTN9 | 40 | 100 | 36 |
| 2309 E-2RS1KTN9 | 45 | 100 | 36 |
