| Bearing model | Boundary Dimensions（mm） | ||
|---|---|---|---|
| d | D | B | |
| RNU 1011 ECP | 90 | ||
| BT2B 328389 | 406.4 | 539.75 | |
| 331197 A | 384.175 | 546.1 | |
| RNU 1011 | 90 | ||
| BT2B 328020 | 380 | 520 | |
| RNU 2210 ECJ | 90 | ||
| BT2B 332823/HA1 | 380 | 660 | |
| RNU 2210 ECP | 90 | ||
| 331606 A | 371.475 | 501.65 | |
| RNU 309 ECP | 100 | ||
| RNU 1010 ECP | 80 | ||
| BT2B 332754 | 368.3 | 596.9 | |
| RNU 2209 ECP | 85 | ||
| BT2B 332603/HA1 | 368.249 | 523.875 | |
| BT2B 332831 | 360 | 480 | |
| RNU 209 ECP | 85 | ||
| BT2B 332505/HA2 | 355.6 | 444.5 | |
| RNU 209 ECJ | 85 | ||
| RNU 1009 ECP | 75 | ||
| BT2B 332506/HA2 | 355.6 | 501.65 | |
| RNU 308 ECJ | 90 | ||
| 331981 | 346.075 | 488.95 | |
| RNU 308 ECP | 90 | ||
| RNU 2208 ECP | 80 | ||
| BT2B 332802 A | 342.9 | 533.4 | |
| BT2B 332830 | 340 | 460 | |
| RNU 208 ECP | 80 | ||
| 331775 B | 333.375 | 469.9 | |
| RNU 2208 ECJ | 80 | ||
| BT2B 332845/HA2 | 330.2 | 482.6 | |
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