Self-aligning ball bearings are transmission components featuring automatic self-alignment capabilities, capable of compensating for installation misalignment between shafts and bearing housings (such as coaxiality errors). Suited for high-speed operation, they offer a compact structure, stable load-bearing performance, and straightforward maintenance. These bearings find extensive application in equipment including electric motors, pumps and valves, and construction machinery.
| Designation | Bore diameter | Outside diameter | Width | Basic dynamic load rating | Limiting speed |
|---|---|---|---|---|---|
| [mm] | [mm] | [mm] | [kN] | [r/min] | |
| 1311 ETN9 | 55 | 120 | 29 | 50.7 | 7500 |
| 1322 M | 110 | 240 | 50 | 163 | 3600 |
| 13940 | 200 | 280 | 60 | 60.5 | 2600 |
| 13948 | 240 | 320 | 60 | 60.5 | 2200 |
| 2201 ETN9 | 12 | 32 | 14 | 8.52 | 30000 |
| 2208 E-2RS1KTN9 | 40 | 80 | 23 | 19.9 | 5600 |
| 2212 E-2RS1TN9 | 60 | 110 | 28 | 31.2 | 3800 |
| 2212 ETN9 | 60 | 110 | 28 | 48.8 | 8000 |
| 2213 E-2RS1KTN9 | 65 | 120 | 31 | 35.1 | 3600 |
| 2213 EKTN9 | 65 | 120 | 31 | 57.2 | 7000 |
| 2214 E-2RS1TN9 | 70 | 125 | 31 | 35.8 | 3400 |
| 2218 K | 90 | 160 | 40 | 70.2 | 5300 |
| 2218 KM | 90 | 160 | 40 | 70.2 | 5300 |
| 2220 M | 100 | 180 | 46 | 97.5 | 4800 |
| 2222 KM | 110 | 200 | 53 | 124 | 4300 |
| 2306 M | 30 | 72 | 27 | 31.2 | 13000 |
| 2307 ETN9 | 35 | 80 | 31 | 39.7 | 12000 |
| 2308 E-2RS1KTN9 | 40 | 90 | 33 | 33.8 | 4800 |
| 2311 K | 55 | 120 | 43 | 76.1 | 7500 |
| 2313 K | 65 | 140 | 48 | 95.6 | 6300 |
| 2314 | 70 | 150 | 51 | 111 | 6000 |
| 2316 KM | 80 | 170 | 58 | 135 | 5300 |
| 2317 KM | 85 | 180 | 60 | 140 | 4800 |
| 2318 KM | 90 | 190 | 64 | 151 | 4500 |
Wafangdian Fafuge Bearing Co., Ltd., rooted in Wafangdian Bearing Industry Base, is an emerging professional bearing manufacturer. Drawing on the base’s profound industrial heritage, we have upheld craftsmanship since inception, integrated precision manufacturing into R&D and production, and focused on the R&D and refined production of spherical roller bearings.
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