| Bearing model | Boundary Dimensions（mm） | ||
|---|---|---|---|
| d | D | B | |
| BT4B 332647 G/HA1 | 330.2 | 444.5 | 301.625 |
| BT4B 331161 AG/HA4 | 317.5 | 447.675 | 327.025 |
| 330870 BG | 317.5 | 422.275 | 269.875 |
| BT4B 331161 BG/HA1 | 317.5 | 447.675 | 327.025 |
| BT4B 328952 A/HA1 | 317.5 | 438.15 | 276.225 |
| BT4B 334023 E1/C675 | 317.5 | 422.275 | 269.875 |
| BT4B 334020 G/HA4 | 317.5 | 438.15 | 276.225 |
| BT4-8093 G/HA1VA901 | 310 | 430 | 310 |
| BT4-8127 E1/C700 | 310 | 430 | 350 |
| BT4B 334076 G/HA1VA901 | 305 | 438.048 | 280.99 |
| BT4-0004 G/HA1 | 304.902 | 412.648 | 266.7 |
| BT4-0016 G/HA1C445VA901 | 304.902 | 412.648 | 266.7 |
| 330758 BG | 304.902 | 412.648 | 266.7 |
| BT4B 328909 G/HA1VA901 | 304.8 | 501.65 | 336.55 |
| BT4-8061 G/HA1C400VA901 | 304.8 | 495.3 | 342.9 |
| BT4-8057 G/HA1VA901 | 304.8 | 419.1 | 269.875 |
| BT4B 328828 G/HA1 | 304.648 | 438.048 | 280.99 |
| 331492 | 304.648 | 438.048 | 280.99 |
| BT4B 334008 G/HA1VA901 | 304.648 | 438.048 | 280.99 |
| BT4B 334126 G/HA1VA901 | 300 | 440 | 280.99 |
| BT4B 328725 G/HA1 | 300 | 440 | 280.988 |
| BT4B 331968 BG/HA1 | 292.1 | 422.275 | 269.875 |
| BT4B 331452 G/HA1 | 288.925 | 406.4 | 298.45 |
| BT4-0015 G/HA1C400VA903 | 285.75 | 380.898 | 244.475 |
| 330337 AG | 285.75 | 380.898 | 244.475 |
| BT4-8116 E1/C525 | 285 | 400 | 340 |
| BT4B 332441 G/HA1 | 280 | 460 | 324 |
| BT4-0026 A/PEX | 280 | 406.4 | 298.45 |
| 330540 AG | 279.578 | 380.898 | 244.475 |
| BT4-0011 G/HA1C500VA901 | 279.4 | 393.7 | 269.875 |
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