| Bearing type | Boundary Dimensions（mm） | ||
|---|---|---|---|
| d | D | B | |
| 2312 K | 55 | 130 | 46 |
| 2312 K | 60 | 130 | 46 |
| 2312 KM | 60 | 130 | 46 |
| 2312 M | 60 | 130 | 46 |
| 2313 K | 60 | 140 | 48 |
| 2313 K | 65 | 140 | 48 |
| 2313 KM | 65 | 140 | 48 |
| 2313 M | 65 | 140 | 48 |
| 2314 M | 70 | 150 | 51 |
| 2315 K | 65 | 160 | 55 |
| 2315 K | 75 | 160 | 55 |
| 2315 KM | 75 | 160 | 55 |
| 2315 M | 75 | 160 | 55 |
| 2316 K | 70 | 170 | 58 |
| 2316 K | 80 | 170 | 58 |
| 2316 KM | 80 | 170 | 58 |
| 2316 M | 80 | 170 | 58 |
| 2317 K | 75 | 180 | 60 |
| 2317 KM | 85 | 180 | 60 |
| 2317 M | 85 | 180 | 60 |
| 2318 K | 80 | 190 | 64 |
| 2318 K | 90 | 190 | 64 |
| 2318 KM | 90 | 190 | 64 |
| 2318 M | 90 | 190 | 64 |
| 2319 KM | 85 | 200 | 67 |
| 2319 KM | 95 | 200 | 67 |
| 2319 M | 95 | 200 | 67 |
| 2320 K | 90 | 215 | 73 |
| 2320 K | 100 | 215 | 73 |
| 2320 KM | 100 | 215 | 73 |
