Product drawing
drawing
| External dimensions（mm) | Rated load(KN) | Rated speed min-1 | Bearing code | Installation size(mm) | weight(kg) | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| d | D | B | γ(minimum) | FW | EW | Cr | Cor | grease | oil | Cylindrical hole | conical bore | Da (minimum） | da (maximum） | d1a (minimum) | dc (minimum) | da (maximum） | Da (minimum） | γa (maximum) | (refer to) |
| 400 | 540 | 106 | 4 | — | 504 | 1290 | 2890 | — | — | NN 3980 | — | 425 | — | — | — | — | 513 | 3 | 68.7 |
| 400 | 500 | 100 | 2.1 | 430 | — | 905 | 2540 | — | — | NNU 4880 | — | 420 | — | — | 437 | — | — | 2 | 45.7 |
| 380 | 620 | 194 | 5 | 449 | — | 2620 | 4950 | — | — | NNU 3176 | — | 408 | — | — | 456 | — | — | 4 | 228 |
| 380 | 620 | 194 | 5 | — | 559 | 2620 | 4950 | — | — | NN 3176 | NN 3176 K | 408 | — | 425 | — | — | 588 | 4 | 224 |
| 380 | 560 | 180 | 5 | 433 | — | 2650 | 6200 | — | — | NNU 4076 | — | 408 | — | — | 440 | — | — | 4 | 153 |
| 380 | 560 | 180 | 5 | — | 513 | 2650 | 6200 | — | — | NN 4076 | NN 4076 K | 408 | — | 424 | — | — | 529 | 4 | 142 |
| 380 | 560 | 135 | 5 | — | 513 | 1770 | 3700 | — | — | NN 3076 | NN 3076 K | 408 | — | 420 | — | — | 529 | 4 | 113 |
| 380 | 520 | 140 | 4 | 421 | — | 1880 | 4600 | — | — | NNU 4976 | — | 404 | — | — | 428 | — | — | 3 | 88.8 |
| 380 | 520 | 140 | 4 | — | 485 | 1880 | 4600 | — | — | NN 4976 | NN 4976 K | 404 | — | 416 | — | — | 493 | 3 | 81.3 |
| 360 | 540 | 180 | 5 | — | 496 | 2530 | 5450 | — | — | NN 4072 | NN 4072 K | 388 | — | 403 | — | — | 509 | 4 | 132 |
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