| Bearing model | Boundary Dimensions（mm） | ||
|---|---|---|---|
| d | D | B | |
| 330641 E/C725 | 482.6 | 615.95 | 330.2 |
| BT4-8163 E8/C725 | 482.6 | 615.95 | 330.2 |
| BT4B 331259 BG/HA1C325 | 482.6 | 647.7 | 417.512 |
| BT4B 328773 G/HA1 | 482.6 | 630 | 420 |
| BT4B 328223 G/HA1VA901 | 482.6 | 615.95 | 406.4 |
| BT4B 334072 G/HA1VA901 | 482.6 | 615.95 | 419.1 |
| BT4-8163 E81/C725 | 482.6 | 615.95 | 330.2 |
| BT4-8062 G/HA1VA901 | 482.6 | 615.95 | 420 |
| BT4B 334116 G/HA1VA901 | 479.425 | 679.45 | 495.3 |
| 330886 B | 479.425 | 679.45 | 495.3 |
| BT4B 329007/HA1 | 475 | 660 | 450 |
| BT4B 334078 G/HA1VA901 | 475 | 600 | 368 |
| BT4B 328913 BG/HA1C555 | 475 | 600 | 368 |
| BT4B 328913 G/HA1 | 475 | 600 | 368 |
| BT4-8111 E2/C725 | 460 | 610 | 360 |
| BT4B 328727 G/HA1VA901 | 460 | 610 | 360 |
| BT4B 331977 E/C725 | 460 | 610 | 360 |
| BT4B 332502/HA1 | 460 | 625 | 421 |
| 331169 E/C500 | 457.2 | 596.9 | 276.225 |
| BT4-8125 E1/C725 | 457.2 | 606 | 381 |
| BT4B 328827 G/HA4VA901 | 457.2 | 596.9 | 276.225 |
| BT4B 328827 ABG/HA1VA902 | 457.2 | 596.9 | 276.225 |
| 331169 BG | 457.2 | 596.9 | 276.225 |
| BT4B 328287 G/HA1 | 457.073 | 730.148 | 412.75 |
| BT4-8023 AG/HA1VA902 | 450 | 595 | 368 |
| BT4B 332773 E/C725 | 450 | 595 | 368 |
| BT4-8044 G/HA1VA902 | 450 | 595 | 404 |
| BT4B 328365 EX/C725 | 450 | 595 | 404 |
| BT4B 328161/HA1 | 450 | 580 | 450 |
| BT4-8023 G/HA1VA919 | 450 | 595 | 368 |
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