| Bearing model | Boundary Dimensions（mm） | ||
|---|---|---|---|
| d | D | B | |
| 331271 | 355.6 | 488.95 | 317.5 |
| BT4B 328912 G/HA1VA901 | 355.6 | 488.95 | 317.5 |
| BT4-8162 E8/C480 | 355.6 | 482.6 | 265.113 |
| BT4B 328870 EX1/C300 | 355.6 | 482.6 | 265.113 |
| BT4B 328912 E1/C300 | 355.6 | 488.95 | 317.5 |
| 330662 E/C480 | 355.6 | 482.6 | 265.113 |
| BT4B 328912 E3/C675 | 355.6 | 488.95 | 317.5 |
| BT4-8162 E81/C480 | 355.6 | 482.6 | 265.113 |
| 331271 | 355.6 | 488.95 | 317.5 |
| BT4-8117 E1/C475 | 350 | 480 | 420 |
| BT4-8070 G/HA1VA901 | 347.662 | 469.9 | 292.1 |
| 331092 A | 347.662 | 469.9 | 292.1 |
| BT4B 331077 AG/HA1 | 347.662 | 469.9 | 260.35 |
| BT4B 331228 G/HA1C200 | 346.075 | 488.95 | 358.775 |
| 330661 E/C475 | 343.052 | 457.098 | 254 |
| BT4-8160 E81/C400 | 343.052 | 457.098 | 254 |
| BT4B 334106 G/HA1VA901 | 343.052 | 457.098 | 254 |
| BT4-8160 E8/C475 | 343.052 | 457.098 | 254 |
| BT4B 328817 E1/C475 | 343.052 | 457.098 | 254 |
| BT4B 328817 G/HA1VA902 | 343.052 | 457.098 | 254 |
| BT4B 328986 G/HA1VA901 | 343.052 | 457.098 | 323.85 |
| BT4-8160 E81/C475 | 343.052 | 457.098 | 254 |
| BT4B 334033 G/HA1VA901 | 343.052 | 457.098 | 254 |
| BT4B 328817 EX1/C475 | 343.052 | 457.098 | 254 |
| BT4B 331553/HA1 | 342.9 | 571.5 | 342.54 |
| BT4B 332963/HA1 | 340 | 520 | 323.5 |
| BT4B 332963 B/HA1 | 340 | 520 | 323.5 |
| 331381 | 333.375 | 469.9 | 342.9 |
| BT4-8017/HA1C600VA941 | 333.375 | 469.9 | 342.9 |
| BT4-8113 E2/C500 | 330.302 | 438.023 | 247.65 |
Screenshot, WeChat QR code
wechat number：152 6550 6333
（Click WeChat Copy to add friends）
