Product drawing
drawing
| External dimensions（mm) | Rated load(N) | Rated speed min-1 | Bearing code | Installation size(mm) | weight(kg) | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| d | D | B | γ | EW （refer to） | Cr | Cor | grease | oil | Da (minimum） | dLa (minimum) | dc (minimum) | da (maximum） | Da (minimum） | γa (maximum) | (refer to) | |
| 190 | 260 | 52 | 2 | 243.5 | 345000 | 680000 | 3400 | 4000 | NN 3938MBKR | 199 | 203 | 217 | 251 | 245.5 | 2 | 7.57 |
| 200 | 280 | 60 | 2.1 | 259 | 420000 | 815000 | 3200 | 3800 | NN 3940MBKR | 211 | 214 | 228 | 269 | 261 | 2 | 10.6 |
| 220 | 300 | 60 | 2.1 | 279 | 440000 | 895000 | 2900 | 3500 | NN 3944MBKR | 231 | 234 | — | 289 | 281 | 2 | 11.4 |
| 240 | 320 | 60 | 2.1 | 300 | 460000 | 975000 | 2700 | 3300 | NN 3948MBKR | 251 | 254 | — | 309 | 303 | 2 | 12.1 |
| 260 | 360 | 75 | 2.1 | 335 | 670000 | 1380000 | 2500 | 3000 | NN 3952MBKR | 271 | 275 | — | 349 | 338 | 2 | 21.4 |
| 280 | 380 | 75 | 2.1 | 355 | 695000 | 1460000 | 2300 | 2800 | NN 3956MBKR | 291 | 295 | — | 369 | 358 | 2 | 22.7 |
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