| Bearing model | Boundary Dimensions（mm） | ||
|---|---|---|---|
| d | D | B | |
| NNU 49/500 BK/SPW33X | 500 | 670 | 170 |
| NNU 4992 B/SPW33 | 460 | 620 | 160 |
| NN 3092 K/SPW33 | 460 | 680 | 163 |
| NNU 4992 BK/SPW33 | 460 | 620 | 160 |
| NN 3084 K/SPW33 | 420 | 620 | 150 |
| NNU 4984 B/SPW33 | 420 | 560 | 140 |
| NNU 4984 BK/SPW33 | 420 | 560 | 140 |
| NN 3080 K/SPW33 | 400 | 600 | 148 |
| NNU 4980 BK/SPW33 | 400 | 540 | 140 |
| NNU 4980 B/SPW33 | 400 | 540 | 140 |
| NN 3076 K/SPW33 | 380 | 560 | 135 |
| NNU 4976 B/SPW33 | 380 | 520 | 140 |
| NNU 4976 BK/SPW33 | 380 | 520 | 140 |
| NN 3072 K/SPW33 | 360 | 540 | 134 |
| NNU 4972 B/SPW33 | 360 | 480 | 118 |
| NNU 4972 BK/SPW33 | 360 | 480 | 118 |
| NN 3068 K/SPW33 | 340 | 520 | 133 |
| NNU 4968 BK/SPW33 | 340 | 460 | 118 |
| NNU 4968 B/SPW33 | 340 | 460 | 118 |
| NN 3064 K/SPW33 | 320 | 480 | 121 |
| NNU 4964 B/SPW33 | 320 | 440 | 118 |
| NNU 4964 BK/SPW33 | 320 | 440 | 118 |
| NNU 4960 B/SPW33 | 300 | 420 | 118 |
| NNU 4960 BK/SPW33 | 300 | 420 | 118 |
| NN 3060 K/SPW33 | 300 | 460 | 118 |
| NN 3056 K/SPW33 | 280 | 420 | 106 |
| NNU 4956 B/SPW33 | 280 | 380 | 100 |
| NNU 4956 BK/SPW33 | 280 | 380 | 100 |
| NN 3052 K/SPW33 | 260 | 400 | 104 |
| NNU 4952 BK/SPW33 | 260 | 360 | 100 |
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