| 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) |
| 220 | 300 | 80 | 2.1 | — | 279 | 600 | 1330 | — | — | NN 4944 | NN 4944 K | 231 | — | 234 | — | 289 | 283 | 2 | - |
| 220 | 300 | 60 | 2.1 | — | 279 | 440 | 895 | — | — | NN 3944 | NN 3944 K | 236 | — | 241 | — | — | 283 | 2 | - |
| 200 | 310 | 109 | 2.1 | — | 282 | 890 | 1730 | — | — | NN 4040 | NN 4040 K | 216 | — | 225 | — | — | 293 | 2 | - |
| 200 | 310 | 82 | 2.1 | 232 | — | 655 | 1170 | — | — | NNU 3040 | NNU 3040 K | 211 | 216 | 214 | 237 | 299 | — | 2 | - |
| 200 | 310 | 82 | 2.1 | — | 282 | 655 | 1170 | 1800 | 2200 | NN 3040 | NN 3040 K | 211 | — | 214 | — | 299 | 285 | 2 | - |
| 200 | 280 | 80 | 2.1 | 223 | — | 570 | 1220 | 1900 | 2400 | NNU 4940 | NNU 4940 K | 211 | 222 | 214 | 228 | 269 | — | 2 | - |
| 200 | 280 | 80 | 2.1 | — | 259 | 570 | 1220 | — | — | NN 4940 | NN 4940 K | 211 | — | 214 | — | 269 | 263 | 2 | - |
| 200 | 280 | 60 | 2.1 | — | 259 | 420 | 815 | — | — | NN 3940 | NN 3940 K | 216 | — | 221 | — | — | 263 | 2 | - |
| 190 | 290 | 75 | 2.1 | — | 265 | 595 | 1080 | 2000 | 2400 | NN 3038 | NN 3038 K | 201 | — | 203 | — | 279 | 268 | 2 | - |
| 190 | 260 | 69 | 2 | 211.5 | — | 485 | 1060 | 2000 | 2600 | NNU 4938 | NNU 4938 K | 199 | 211 | 203 | 217 | 251 | — | 2 | - |
| 190 | 260 | 69 | 2 | — | 243 | 485 | 1060 | — | — | NN 4938 | NN 4938 K | 199 | — | 203 | — | 251 | 245 | 2 | - |
| 190 | 260 | 52 | 2 | — | 243 | 345 | 680 | — | — | NN 3938 | NN 3938 K | 203 | — | 208 | — | — | 245 | 2 | - |
| 180 | 280 | 74 | 2.1 | — | 255 | 565 | 995 | 2000 | 2400 | NN 3036 | NN 3036 K | 191 | — | 193 | — | 269 | 258 | 2 | - |
| 180 | 250 | 69 | 2 | 200 | — | 480 | 1020 | 2200 | 2600 | NNU 4936 | NNU 4936 K | 189 | 199 | 193 | 205 | 241 | — | 2 | - |
| 180 | 250 | 69 | 2 | — | 232 | 480 | 1020 | — | — | NN 4936 | NN 4936 K | 189 | — | 193 | — | 241 | 236 | 2 | - |
| 180 | 250 | 52 | 2 | — | 232 | 340 | 655 | — | — | NN 3936 | NN 3936 K | 193 | — | 198 | — | — | 236 | 2 | - |
| 170 | 260 | 67 | 2.1 | 196 | — | 450 | 805 | — | — | NNU 3034 | NNU 3034 K | 181 | 185 | 183 | 201 | 249 | — | 2 | - |
| 170 | 260 | 67 | 2.1 | — | 236 | 450 | 805 | 2200 | 2600 | NN 3034 | NN 3034 K | 181 | — | 183 | — | 249 | 239 | 2 | - |
| 170 | 230 | 60 | 2 | 187 | — | 375 | 805 | 2400 | 2800 | NNU 4934 | NNU 4934 K | 179 | 186 | 182 | 192 | 221 | — | 2 | - |
| 170 | 230 | 60 | 2 | — | 215 | 375 | 805 | — | — | NN 4934 | NN 4934 K | 179 | — | 182 | — | 221 | 216 | 2 | - |
You can select product type online samples, product samples, installation manuals, and OID Product related applications here.
You can find here that in addition to various bearings, we also provide various products such as automotive parts and precision machinery products to the world.