| Bearing type | Boundary Dimensions（mm） | ||
|---|---|---|---|
| d | D | B | |
| 6308-2RS1 | 40 | 90 | 23 |
| 6308-2RZ | 40 | 90 | 23 |
| 6308-2Z | 40 | 90 | 23 |
| 6308-2Z/VA201 | 40 | 90 | 23 |
| 6308-2Z/VA208 | 40 | 90 | 23 |
| 6308-2Z/VA228 | 40 | 90 | 23 |
| 6308-2ZNR | 40 | 90 | 23 |
| 6308-RS1 | 40 | 90 | 23 |
| 6308-RZ | 40 | 90 | 23 |
| 6308-Z | 40 | 90 | 23 |
| 6308-ZNR | 40 | 90 | 23 |
| 6309 M | 45 | 100 | 25 |
| 6309 N | 45 | 100 | 25 |
| 6309 NR | 45 | 100 | 25 |
| 6309/HR11QN | 45 | 100 | 25 |
| 6309/HR11TN | 45 | 100 | 25 |
| 6309/HR22Q2 | 45 | 100 | 25 |
| 6309/HR22T2 | 45 | 100 | 25 |
| 6309-2RS1 | 45 | 100 | 25 |
| 6309-2RS1TN9/HC5C3WT | 45 | 100 | 25 |
| 6309-2Z | 45 | 100 | 25 |
| 6309-2Z/VA208 | 45 | 100 | 25 |
| 6309-2ZNR | 45 | 100 | 25 |
| 6309-RS1 | 45 | 100 | 25 |
| 6309-Z | 45 | 100 | 25 |
| 6309-ZNR | 45 | 100 | 25 |
| 6310 M | 50 | 110 | 27 |
| 6310 N | 50 | 110 | 27 |
| 6310 NR | 50 | 110 | 27 |
| 6310/HC5C3 | 50 | 110 | 27 |
