| Overall dimensions（mm) | Rated load(KN) | Rated speed min-1 | Bearing code | Installation dimensions(mm) | Weight(kg) | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| d | D | B | γ(minimum) | FW | EW | Cr | Cor | Grease lubrication | Oil lubrication | Cylindrical hole | Conical hole | Da (minimum） | da (maximum） | d1a (minimum) | dc (minimum) | da (maximum） | Da (minimum） | γa (maximum) | (Reference) |
| 280 | 420 | 106 | 4 | — | 384 | 1080 | 2080 | 1300 | 1500 | NN 3056 | NN 3056 K | 296 | — | 298 | — | 404 | 388 | 3 | - |
| 280 | 380 | 100 | 2.1 | 309 | — | 960 | 2230 | 1300 | 1700 | NNU 4956 | NNU 4956 K | 291 | 308 | 295 | 315 | 369 | — | 2 | - |
| 280 | 380 | 100 | 2.1 | — | 355 | 960 | 2230 | — | — | NN 4956 | NN 4956 K | 291 | — | 295 | — | 369 | 364 | 2 | - |
| 280 | 380 | 75 | 2.1 | — | 355 | 695 | 1460 | — | — | NN 3956 | NN 3956 K | 297 | — | 304 | — | — | 361 | 2 | - |
| 260 | 440 | 144 | 4 | — | 393 | 1480 | 2660 | — | — | NN 3152 | NN 3152 K | 282 | — | 294 | — | — | 415 | 3 | - |
| 260 | 400 | 140 | 4 | — | 364 | 1550 | 3250 | — | — | NN 4052 | NN 4052 K | 282 | — | 294 | — | — | 376 | 3 | - |
| 260 | 400 | 104 | 4 | — | 364 | 1030 | 1920 | 1400 | 1700 | NN 3052 | NN 3052 K | 276 | — | 278 | — | 384 | 368 | 3 | - |
| 260 | 360 | 100 | 2.1 | 289 | — | 935 | 2100 | 1400 | 1800 | NNU 4952 | NNU 4952 K | 271 | 288 | 275 | 295 | 349 | — | 2 | - |
| 260 | 360 | 100 | 2.1 | — | 335 | 935 | 2100 | — | — | NN 4952 | NN 4952 K | 271 | — | 275 | — | 349 | 342 | 2 | - |
| 260 | 360 | 75 | 2.1 | — | 335 | 670 | 1380 | — | — | NN 3952 | NN 3952 K | 277 | — | 283 | — | — | 342 | 2 | - |
| 240 | 400 | 128 | 4 | — | 358 | 1170 | 2040 | — | — | NN 3148 | NN 3148 K | 262 | — | 272 | — | — | 376 | 3 | - |
| 240 | 360 | 118 | 3 | — | 330 | 1240 | 2600 | — | — | NN 4048 | NN 4048 K | 259 | — | 269 | — | — | 340 | 2.5 | - |
| 240 | 360 | 92 | 3 | 274 | — | 855 | 1600 | — | — | NNU 3048 | NNU 3048 K | 253 | 259 | 256 | 280 | 347 | — | 2.5 | - |
| 240 | 360 | 92 | 3 | — | 330 | 855 | 1600 | 1500 | 1800 | NN 3048 | NN 3048 K | 253 | — | 256 | — | 347 | 334 | 2.5 | - |
| 240 | 320 | 80 | 2.1 | 263 | — | 625 | 1450 | 1600 | 2000 | NNU 4948 | NNU 4948 K | 251 | 262 | 254 | 269 | 309 | — | 2 | - |
| 240 | 320 | 80 | 2.1 | — | 300 | 625 | 1450 | — | — | NN 4948 | NN 4948 K | 251 | — | 254 | — | 309 | 302 | 2 | - |
| 240 | 320 | 60 | 2.1 | — | 300 | 460 | 975 | — | — | NN 3948 | NN 3948 K | 257 | — | 262 | — | — | 302 | 2 | - |
| 220 | 340 | 118 | 3 | — | 310 | 1190 | 2400 | — | — | NN 4044 | NN 4044 K | 238 | — | 248 | — | — | 320 | 2.5 | - |
| 220 | 340 | 90 | 3 | — | 310 | 815 | 1480 | 1700 | 2000 | NN 3044 | NN 3044 K | 233 | — | 236 | — | 327 | 313 | 2.5 | - |
| 220 | 300 | 80 | 2.1 | 243 | — | 600 | 1330 | 1700 | 2200 | NNU 4944 | NNU 4944 K | 231 | 242 | 234 | 248 | 289 | — | 2 | - |
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