Bearing 6309N SNR 6309N SNR bearing Size Chart (mm/inches) |
|---|
| d | 40 mm |
| D | 68 mm |
| B | 15 mm |
| d1 | 49.7 mm |
| d2 | 47.6 mm |
| D2 | 60.85 mm |
| r1,2 min. | 1 mm |
| r3,4 min. | 0.6 mm |
| a | 14.8 mm |
| da min. | 44.6 mm |
| da max. | 49.1 mm |
| db min. | 44.6 mm |
| db max. | 47 mm |
| Da max. | 63.4 mm |
| Db max. | 63.8 mm |
| ra max. | 1 mm |
| rb max. | 0.6 mm |
| Basic dynamic load rating C | 12.4 kN |
| Basic static load rating C0 | 7.65 kN |
| Fatigue load limit Pu | 0.32 kN |
| Attainable speed for grease lubrication | 36000 r/min |
| Ball diameter Dw | 7.144 mm |
| Number of balls z | 19 |
| Preload class A GA | 65 N |
| Static axial stiffness, preload class A | 38 N/µm |
| Preload class B GB | 200 N |
| Static axial stiffness, preload class B | 60 N/µm |
| Preload class C GC | 390 N |
| Static axial stiffness, preload class C | 81 N/µm |
| Calculation factor f | 1.06 |
| 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 | 8.1 |
| Mass bearing | 0.17 kg |