22219EK Rolling Mills Spherical roller bearings
| Brand Name: | Rolling Mills |
| Model Number: | 22219EK |
| d: | 55 mm |
| D: | 90 mm |
| B: | 18 mm |
| d1: | 67.73 mm |
| d2: | 65.6 mm |
| D1: | 77.25 mm |
| b: | 1.6 mm |
| C1: | 5.65 mm |
Product Details
| d | 55 mm |
| D | 90 mm |
| B | 18 mm |
| d1 | 67.73 mm |
| d2 | 65.6 mm |
| D1 | 77.25 mm |
| b | 1.6 mm |
| C1 | 5.65 mm |
| C2 | 3.4 mm |
| C3 | 3.4 mm |
| r1,2 min. | 1.1 mm |
| r3,4 min. | 0.6 mm |
| a | 18.8 mm |
| da min. | 61 mm |
| db min. | 61 mm |
| Da max. | 84 mm |
| Db max. | 85.8 mm |
| ra max. | 1 mm |
| rb max. | 0.6 mm |
| dn | 69.6 mm |
| Basic dynamic load rating C | 16.8 kN |
| Basic static load rating C0 | 12.2 kN |
| Fatigue load limit Pu | 0.52 kN |
| Attainable speed for grease lubrication | 25000 r/min |
| Attainable speed for oil-air lubrication | 39000 r/min |
| Ball diameter Dw | 7.938 mm |
| Number of balls z | 24 |
| Reference grease quantity Gref | 5 cm³ |
| Preload class A GA | 90 N |
| Static axial stiffness, preload class A | 51 N/µm |
| Preload class B GB | 270 N |
| Static axial stiffness, preload class B | 80 N/µm |
| Preload class C GC | 540 N |
| Static axial stiffness, preload class C | 108 N/µm |
| Calculation factor f | 1.07 |
| Calculation factor f1 | 1 |
| Calculation factor f2A | 1 |
| Calculation factor f2B | 1.03 |
| Calculation factor f2C | 1.05 |
| Calculation factor fHC | 1.01 |
| Calculation factor f0 | 8.4 |
| Mass bearing | 0.36 kg |
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