E1 Series Self-Aligning Roller BearingsSelf-aligning roller bearings
The E1 self-aligning roller bearing is a high-end model that has been further upgraded and optimized based on the high-performance E-type structure. It features precision-hardened symmetrical barrel-shaped rollers and a high-strength stamped cage made of quenched steel, The internal raceways, roller end faces, and guiding structures have all been meticulously designed. Not only do these bearings inherit the E-type’s high load-carrying capacity and excellent self-aligning performance—enabling them to effectively withstand substantial radial loads and bidirectional axial loads—but they also achieve significant improvements in running smoothness, heat dissipation efficiency, and vibration resistance, allowing for better compensation of shaft deflection and misalignment errors. This series of bearings features lower friction resistance, quieter operation, higher limiting speeds, and superior shock resistance and wear resistance. With a more rational internal lubrication structure, they are capable of withstanding harsh operating conditions such as long-term continuous operation, heavy impact loads, high dust levels, and significant temperature fluctuations. Compared to standard E-type bearings, they offer a longer service life and higher operational reliability, while also combining cost-effectiveness with practicality. They are widely used in heavy-duty transmission applications that demand exceptional bearing stability and durability, such as mining crushers, metallurgical rolling mills, heavy-duty fans, large gear reducers, vibrating equipment, and paper and textile machinery—all of which demand exceptional bearing stability and durability. They are the preferred self-aligning roller bearings for high-end industrial equipment operating under complex and harsh conditions.
Product Parameters
| Inquiry | Bearing Designation | Basic Dimensions (mm) | Rated Load (kN) | Limiting Speed (r/min) | Weight ≈kg |
|||||
|---|---|---|---|---|---|---|---|---|---|---|
| Cylindrical Bore | Tapered Bore | d | D | B | C Dynamic | C0 Static | Ref. | Lim. | ||
| ✉️ | 22217 E1 | 22217 E1K | 85 | 150 | 36 | 36 | 325 | 4000 | 5300 | 2.65 |
| ✉️ | 21317 E1 | 21317 E1K | 85 | 180 | 41 | 41 | 375 | 3800 | 4800 | 5.37 |
| ✉️ | 22317 E1 | 22317 E1K | 85 | 180 | 60 | 60 | 560 | 3200 | 4000 | 7.06 |
| ✉️ | 22217 E1 | 22217 E1K | 85 | 150 | 36 | 36 | 325 | 4000 | 5300 | 2.65 |
| ✉️ | 21317 E1 | 21317 E1K | 85 | 180 | 41 | 41 | 375 | 3800 | 4800 | 5.37 |
| ✉️ | 22317 E1 | 22317 E1K | 85 | 180 | 60 | 60 | 560 | 3200 | 4000 | 7.06 |
| ✉️ | 22218 E1 | 22218 E1K | 90 | 160 | 40 | 40 | 375 | 3800 | 4800 | 3.43 |
| ✉️ | 21318 E1 | 21318 E1K | 90 | 190 | 43 | 43 | 415 | 3600 | 4500 | 6.26 |
| ✉️ | 22318 E1 | 22318 E1K | 90 | 190 | 64 | 64 | 630 | 3000 | 3600 | 8.51 |
| ✉️ | 22218 E1 | 22218 E1K | 90 | 160 | 40 | 40 | 375 | 3800 | 4800 | 3.43 |
| ✉️ | 21318 E1 | 21318 E1K | 90 | 190 | 43 | 43 | 415 | 3600 | 4500 | 6.26 |
| ✉️ | 22318 E1 | 22318 E1K | 90 | 190 | 64 | 64 | 630 | 3000 | 3600 | 8.51 |
| ✉️ | 22219 E1 | 22219 E1K | 95 | 170 | 43 | 43 | 415 | 3600 | 4500 | 4.13 |
| ✉️ | 22319 E1 | 22319 E1K | 95 | 200 | 67 | 67 | 695 | 2800 | 3000 | 9.69 |
| ✉️ | 22219 E1 | 22219 E1K | 95 | 170 | 43 | 43 | 415 | 3600 | 4500 | 4.13 |
| ✉️ | 22319 E1 | 22319 E1K | 95 | 200 | 67 | 67 | 695 | 2800 | 3000 | 9.69 |
| ✉️ | 22220 E1 | 22220 E1K | 100 | 180 | 46 | 46 | 475 | 3400 | 4300 | 4.96 |
| ✉️ | 22320 E1 | 22320 E1K | 100 | 215 | 73 | 73 | 915 | 2400 | 3000 | 12.8 |
| ✉️ | 22220 E1 | 22220 E1K | 100 | 180 | 46 | 46 | 475 | 3400 | 4300 | 4.96 |
| ✉️ | 22320 E1 | 22320 E1K | 100 | 215 | 73 | 73 | 915 | 2400 | 3000 | 12.8 |