| Bearing model | Boundary Dimensions（mm） | ||
|---|---|---|---|
| d | D | B | |
| BT4-0012 G/HA1C500VA901 | 276.225 | 393.7 | 269.875 |
| BT4B 331168 B | 269.875 | 381 | 282.575 |
| BT4B 328209 G/HA1C455 | 266.7 | 355.6 | 230.188 |
| BT4-0014 G/HA1C400VA903 | 266.7 | 355.6 | 230.188 |
| BT4B 331487 G/HA1 | 260.35 | 422.275 | 314.325 |
| BT4B 328551/HA1 | 260 | 440 | 298.5 |
| 331275 B | 254 | 358.775 | 269.875 |
| BT4B 329071 G/HA1VA901 | 254 | 358.775 | 269.875 |
| BT4-0039 E8/C355 | 254 | 358.775 | 268.875 |
| 330862 B | 244.475 | 327.025 | 193.675 |
| 330782 AG | 241.478 | 349.148 | 228.6 |
| BT4-0020/HA1 | 240 | 338 | 248 |
| BT4-0040 E8/C355 | 220.662 | 314.325 | 239.712 |
| 331156 G | 220.662 | 314.325 | 239.712 |
| BT4-0035 E8/C355 | 220 | 295 | 315 |
| BT4B 328204/HA1 | 216.103 | 330.2 | 263.525 |
| BT4-0021 G/HA1 | 206.375 | 282.575 | 190.5 |
| BT4-0013 G/HA1C400VA903 | 206.375 | 282.575 | 190.5 |
| 331486 G | 206.375 | 282.575 | 190.5 |
| BT4-0027 AG/HA1 | 198.438 | 284.162 | 225.425 |
| 331249 B | 190.5 | 266.7 | 187.324 |
| 331480 G | 177.8 | 247.65 | 192.088 |
| BT4-0010 G/HA1C400VA903 | 177.8 | 247.65 | 192.088 |
| 331138 AG | 139.7 | 200.025 | 157.162 |
| 331249 B | 190.5 | 266.7 | 187.324 |
| 331480 G | 177.8 | 247.65 | 192.088 |
| BT4-0010 G/HA1C400VA903 | 177.8 | 247.65 | 192.088 |
| 331138 AG | 139.7 | 200.025 | 157.162 |
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