| Bearing model | Boundary Dimensions（mm） | ||
|---|---|---|---|
| d | D | B | |
| NA 4917 | 85 | 120 | 35 |
| NKI 80/35 | 80 | 110 | 35 |
| NKI 80/25 | 80 | 110 | 25 |
| NAO 80x110x30 | 80 | 110 | 30 |
| NA 6916 | 80 | 110 | 54 |
| NA 4916 | 80 | 110 | 30 |
| NKI 75/25 | 75 | 105 | 25 |
| NA 6915 | 75 | 105 | 54 |
| NKI 75/35 | 75 | 105 | 35 |
| NA 4915 | 75 | 105 | 30 |
| NAO 70x100x30 | 70 | 100 | 30 |
| NA 6914 | 70 | 100 | 54 |
| NKI 70/25 | 70 | 95 | 25 |
| NA 4914 | 70 | 100 | 30 |
| NKI 70/35 | 70 | 95 | 35 |
| NKI 65/25 | 65 | 90 | 25 |
| NKI 65/35 | 65 | 90 | 35 |
| NKIS 65 | 65 | 95 | 28 |
| NA 6913 | 65 | 90 | 45 |
| NA 4913 | 65 | 90 | 25 |
| NKI 60/35 | 60 | 82 | 35 |
| NKI 60/25 | 60 | 82 | 25 |
| NKIS 60 | 60 | 90 | 28 |
| NA 6912 | 60 | 85 | 45 |
| NA 4912 | 60 | 85 | 25 |
| NKI 55/25 TN | 55 | 72 | 25 |
| NKI 55/35 | 55 | 72 | 35 |
| NA 6911 | 55 | 80 | 45 |
| NA 4911 | 55 | 80 | 25 |
| NKIS 55 | 55 | 85 | 28 |
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