Generally speaking, angular contact bearings and cylindrical roller bearings are suitable for use in high-speed workplaces; tapered roller bearings can be used in low-speed workplaces. Thrust ball bearings have a low limit speed and are only suitable for places with lower speeds. For the same type of bearing, the smaller the specification, the higher the allowable rotational speed. When selecting the bearing model, pay attention to the actual speed less than the limit speed. When you choose the bearing model in practical application, you can choose according to the above needs.
Four Point Contact Bearings Bestseller List
| Model name | Dimensions | weight |
| QJ206 | 30x62x16 | 0.24 |
| QJ306 | 30x72x19 | 0.42 |
| QJ307 | 35x80x21 | 0.57 |
| QJ207 | 35x72x17 | 0.35 |
| QJ208 | 40x80x18 | 0.45 |
| QJ308 | 40x90x23 | 0.78 |
| QJ209 | 45x85x19 | 0.52 |
| QJ309 | 45x100x25 | 1.05 |
| QJ210 | 50x90x20 | 0.59 |
| QJ310 | 50x110x27 | 1.35 |
| QJ211 | 55x100x21 | 0.77 |
| QJ311 | 55x120x29 | 1.75 |
| QJ212 | 60x110x22 | 0.99 |
| QJ312 | 60x130x31 | 2.15 |
| QJ313 | 65x140x33 | 2.7 |
| QJ213 | 65x120x23 | 1.2 |
| QJ314 | 70x150x35 | 3.15 |
| QJ214 | 70x125x24 | 1.3 |
| QJ215 | 75x130x25 | 1.45 |
| QJ315 | 75x160x37 | 3.9 |
| QJ216 | 80x140x26 | 1.85 |
| QJ316 | 80x170x39 | 4.6 |
| QJ217 | 85x150x28 | 2.25 |
| QJ1017 | 85x130x22 | 1.1 |
| QJ1018 | 90x140x24 | 1.45 |
| QJ317 | 85x180x41 | 5.45 |
| QJ318 | 90x190x43 | 6.45 |
| QJ218 | 90x160x30 | 2.75 |
| QJ219 | 95x170x32 | 3.35 |
| QJ319 | 95x200x45 | 7.45 |
| QJ220 | 100x180x34 | 4.05 |
| QJ320 | 100x215x47 | 9.3 |
| QJ1021 | 105x160x26 | 2 |
| QJ1022 | 110x170x28 | 2.5 |
| QJ322 | 110x240x50 | 12.5 |
| QJ222 | 110x200x38 | 5.6 |
| QJ324 | 120x260x55 | 16 |
| QJ224 | 120x215x40 | 6.95 |
| QJ326 | 130x280x58 | 19.5 |
| QJ226 | 130x230x40 | 7.75 |
| QJ228 | 140x250x42 | 9.85 |
| QJ328 | 140x300x62 | 24 |
| QJ230 | 150x270x45 | 12.5 |
| QJ330 | 150x320x65 | 29 |
| QJ1030 | 150x225x35 | 5.25 |
| QJ332 | 160x340x68 | 34.5 |
| QJ232 | 160x290x48 | 15.5 |
| QJ1032 | 160x240x38 | 6.45 |
| QJ334 | 170x360x72 | 41.5 |
| QJ234 | 170x310x52 | 19.5 |
| QJ236 | 180x320x52 | 20.5 |
| QJ336 | 180x380x75 | 47.5 |
| QJ338 | 190x400x78 | 49 |
| QJ238 | 190x340x55 | 23.3 |
| QJ1038 | 190x290x46 | 11.5 |
| QJ1040 | 200x310x51 | 15 |
| QJ240 | 200x360x58 | 28.5 |
| QJ1240 | 200x360x70 | 32.5 |
| QJ344 | 220x460x88 | 78 |
| QJ1244 | 220x400x78 | 45.5 |
| QJ1248 | 240x440x85 | 61 |
| QJ248 | 240x440x72 | 53.2 |
| QJ252 | 260x480x80 | 68 |
| QJ1252 | 260x480x90 | 78 |
| QJ1256 | 280x500x90 | 82 |
| QJ1056 | 280x420x65 | 33.5 |
| QJ1260 | 300x540x98 | 105 |
| QJ1060 | 300x460x74 | 47.5 |
| QJ1264 | 320x580x105 | 130 |
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