1211ETN9 SKF Fatigue load limit (Pu) 0.54 55x100x21mm Self aligning ball bearings
| Bearing number | 1211ETN9 |
| Size (mm) | 55x100x21 |
| Brand | SKF |
| Bore Diameter (mm) | 55 |
| Outer Diameter (mm) | 100 |
| Width (mm) | 21 |
| d | 55 mm |
| D | 100 mm |
| B | 21 mm |
| C | 21 mm |
| d2 | 70.1 mm |
| r1 min. | 1.5 mm |
| r2 min. | 1.5 mm |
| D1 | 88.4 mm |
| da min. | 64 mm |
| Da max. | 91 mm |
| ra max. | 1.5 mm |
| Weight | 0.71 Kg |
| Basic dynamic load rating (C) | 27.6 kN |
| Basic static load rating (C0) | 10.6 kN |
| Fatigue load limit (Pu) | 0.54 |
| Reference speed | 14000 r/min |
| Limiting speed | 9000 r/min |
| Calculation factor (e) | 0.19 |
| Calculation factor (kr) | 0.04 |
| Calculation factor (Y0) | 3.6 |
| Calculation factor (Y1) | 3.3 |
Detailed Parameters
parameter：
| 51209 Thrust ball bearings | Outer Diameter :73mm ，Bore Diameter :45mm ，Size :45x73x20mm ，Brand:ISB ，Width :20mm |
| Q1010 Angular contact ball bearings | Outer Diameter :80mm ，Width :16mm ，Size :50x80x16mm ，Bore Diameter :50mm ，Brand:CX ，d:50 mm |
| 28680/28622 Tapered roller bearings | Outer Diameter :97.63mm ，Size :55.562x97.63x24.608mm ，Bore Diameter :55.562mm ，Brand:NSK |
| 7948A5TRSU Angular contact ball bearings | Size :240x320x38mm ，Bore Diameter :240mm ，Outer Diameter :320mm ，Brand:NSK ，Width :38mm ，d:240 mm |
| 22213 EK + H 313 Tapered roller bearings | Outer Diameter :60mm ，Brand:SKF ，Size :120x60x31mm ，Bore Diameter :120mm |
| SB 355530 Plain bearings | Outer Diameter :55mm ，Brand:IKO ，Width :30mm ，Bore Diameter :35mm ，Size :35x55x30mm |
| K55x60x30 Needle roller bearings | Size :55x60x30mm ，Brand:CX ，Bore Diameter :55mm ，Outer Diameter :60mm |
| NN3056 Cylindrical roller bearings | Bore Diameter :280mm ，Width :106mm ，Brand:NACHI ，Outer Diameter :384mm ，Size :280x384x106mm ，d:280 mm |
| 740/742 Tapered roller bearings | Bore Diameter :80.962mm ，Size :80.962x150.089x44.45mm ，Width :44.45mm ，Outer Diameter :150.089mm ，Brand:ISO |
| S7026 CD/HCP4A Angular contact ball bearings | Outer Diameter :130mm ，Bore Diameter :200mm ，Size :200x130x33mm ，Brand:SKF |
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