The E1 series comprises high-performance, optimised self-aligning roller bearings. Building upon the traditional design, they feature a comprehensive upgrade to the internal geometry, incorporating a double-row symmetrical barrel-shaped roller design. The traditional fixed inner ring centre rib has been eliminated, and the bearings are fitted with a two-piece stamped hardened steel cage, utilising a floating guide ring to ensure precise roller guidance. Compared with the CC type, the E1 features a more rational internal kinematic design, resulting in smoother roller operation and greater fatigue resistance; compared with the CA type, it strikes a balance between load-carrying capacity and cost-effectiveness. It is widely used in high-end heavy-duty equipment—such as vibrating screens, crushers, large gearboxes, metallurgical equipment, cement vertical mills, heavy-duty fans and paper-making machinery—that are subjected to heavy impact loads and severe load fluctuations over extended periods.
| Bearing model number | Basic Dimensions（mm） | Basic load （KN） |
Rated speed(rpm) | Bearing weight | ||||
|---|---|---|---|---|---|---|---|---|
| Cylindrical hole | Conical hole | d inner diameter |
D outer diameter |
B thickness |
Dynamic load Cr |
Static load Cor |
Limiting Speed | |
| 22326 E1 | 22326 E1K | 130 | 280 | - | 93 | 1370 | 2400 | 28 |
| 22226 E1 | 22226 E1K | 130 | 230 | - | 64 | 900 | 3000 | 11.3 |
| 22324 E1 | 22324 E1K | 120 | 260 | - | 86 | 1160 | 2600 | 22.5 |
| 22224 E1 | 22224 E1K | 120 | 215 | - | 58 | 735 | 3400 | 8.84 |
| 22322 E1 | 22322 E1K | 110 | 240 | - | 80 | 1060 | 2600 | 17.7 |
| 22222 E1 | 22222 E1K | 110 | 200 | - | 53 | 600 | 4000 | 6.99 |
| 22320 E1 | 22320 E1K | 100 | 215 | - | 73 | 915 | 3000 | 12.8 |
| 22220 E1 | 22220 E1K | 100 | 180 | - | 46 | 475 | 4300 | 4.96 |
| 22319 E1 | 22319 E1K | 95 | 200 | - | 67 | 695 | 3000 | 9.69 |
| 22219 E1 | 22219 E1K | 95 | 170 | - | 43 | 415 | 4500 | 4.13 |
| 22318 E1 | 22318 E1K | 90 | 190 | - | 64 | 630 | 3600 | 8.51 |
| 21318 E1 | 21318 E1K | 90 | 190 | - | 43 | 415 | 4500 | 6.26 |
| 22218 E1 | 22218 E1K | 90 | 160 | - | 40 | 375 | 4800 | 3.43 |
| 22317 E1 | 22317 E1K | 85 | 180 | - | 60 | 560 | 4000 | 7.06 |
| 21317 E1 | 21317 E1K | 85 | 180 | - | 41 | 375 | 4800 | 5.37 |
| 22217 E1 | 22217 E1K | 85 | 150 | - | 36 | 325 | 5300 | 2.65 |
| 22316 E1 | 22316 E1K | 80 | 170 | - | 58 | 510 | 4300 | 6.27 |
| 21316 E1 | 21316 E1K | 80 | 170 | - | 39 | 325 | 4800 | 2.65 |
| 22216 E1 | 22216 E1K | 80 | 140 | - | 33 | 270 | 5600 | 2.13 |
| 22315 E1 | 22315 E1K | 75 | 160 | - | 55 | 450 | 4300 | 5.18 |
