| Bearing model | Boundary Dimensions（mm） | ||
|---|---|---|---|
| d | D | B | |
| NA 4844 | 220 | 270 | 50 |
| NA 4840 | 200 | 250 | 50 |
| NA 4838 | 190 | 240 | 50 |
| NA 4836 | 180 | 225 | 45 |
| NA 4834 | 170 | 215 | 45 |
| NA 4832 | 160 | 200 | 40 |
| NA 4830 | 150 | 190 | 40 |
| NA 4828 | 140 | 175 | 35 |
| NA 4928 | 140 | 190 | 50 |
| NA 4826 | 130 | 165 | 35 |
| NA 4926 | 130 | 180 | 50 |
| NA 4824 | 120 | 150 | 30 |
| NA 4924 | 120 | 165 | 45 |
| NA 4822 | 110 | 140 | 30 |
| NA 4922 | 110 | 150 | 40 |
| NKI 100/30 | 100 | 130 | 30 |
| NA 4920 | 100 | 140 | 40 |
| NKI 100/40 | 100 | 130 | 40 |
| NKI 95/26 | 95 | 125 | 26 |
| NKI 95/36 | 95 | 125 | 36 |
| NA 6919 | 95 | 130 | 63 |
| NA 4919 | 95 | 130 | 35 |
| NKI 90/36 | 90 | 120 | 36 |
| NKI 90/26 | 90 | 120 | 26 |
| NAO 90x120x30 | 90 | 120 | 30 |
| NA 6918 | 90 | 125 | 63 |
| NA 4918 | 90 | 125 | 35 |
| NKI 85/36 | 85 | 115 | 36 |
| NA 6917 | 85 | 120 | 63 |
| NKI 85/26 | 85 | 115 | 26 |
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