AST FR2 deep groove ball bearings
Browse AST FR2 deep groove ball bearings Categories in the Manufacturers Online 70 mm d Free. including 20 mm B .
| d | 70 mm |
| D | 110 mm |
| B | 20 mm |
| d1 | 82.3 mm |
| d2 | 82.3 mm |
| D2 | 100.64 mm |
| r1,2 min. | 1.1 mm |
| r3,4 min. | 0.6 mm |
| a | 31.1 mm |
| da min. | 76 mm |
| da max. | 81.7 mm |
| db min. | 76 mm |
| db max. | 81.7 mm |
| Da max. | 104 mm |
| Db max. | 106 mm |
| ra max. | 1 mm |
| rb max. | 0.6 mm |
| Basic dynamic load rating C | 48.8 kN |
| Basic static load rating C0 | 44 kN |
| Fatigue load limit Pu | 1.86 kN |
| Attainable speed for grease lubrication | 11000 r/min |
| Ball diameter Dw | 12.7 mm |
| Number of balls z | 19 |
| Preload class A GA | 300 N |
| Static axial stiffness, preload class A | 191 N/µm |
| Preload class B GB | 600 N |
| Static axial stiffness, preload class B | 249 N/µm |
| Preload class C GC | 1200 N |
| Static axial stiffness, preload class C | 330 N/µm |
| Preload class D GD | 2400 N |
| Static axial stiffness, preload class D | 447 N/µm |
| Calculation factor f | 1.12 |
| Calculation factor f1 | 0.99 |
| Calculation factor f2A | 1 |
| Calculation factor f2B | 1.02 |
| Calculation factor f2C | 1.05 |
| Calculation factor f2D | 1.08 |
| Calculation factor fHC | 1 |
| Calculation factor e | 0.68 |
| Calculation factor (single, tandem) Y2 | 0.87 |
| Calculation factor (back-to-back, face-to-face) Y1 | 0.92 |
| Calculation factor (back-to-back, face-to-face) Y2 | 1.41 |
| Mass bearing | 0.61 kg |
Detailed Parameters
parameter：
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