Bearing 6312-ZZ CYSD 6312-ZZ CYSD bearing Size Chart (mm/inches) |
|---|
| d | 30 mm |
| D | 55 mm |
| B | 13 mm |
| d1 | 37.7 mm |
| d2 | 37.7 mm |
| D2 | 49.57 mm |
| r1,2 min. | 1 mm |
| r3,4 min. | 0.3 mm |
| a | 12.3 mm |
| da min. | 34.6 mm |
| da max. | 37.2 mm |
| db min. | 34.6 mm |
| db max. | 37.2 mm |
| Da max. | 50.4 mm |
| Db max. | 53 mm |
| ra max. | 1 mm |
| rb max. | 0.3 mm |
| Basic dynamic load rating C | 14.3 kN |
| Basic static load rating C0 | 8 kN |
| Fatigue load limit Pu | 0.34 kN |
| Attainable speed for grease lubrication | 38000 r/min |
| Ball diameter Dw | 7.938 mm |
| Number of balls z | 14 |
| Preload class A GA | 50 N |
| Static axial stiffness, preload class A | 34 N/µm |
| Preload class B GB | 100 N |
| Static axial stiffness, preload class B | 45 N/µm |
| Preload class C GC | 200 N |
| Static axial stiffness, preload class C | 61 N/µm |
| Preload class D GD | 400 N |
| Static axial stiffness, preload class D | 85 N/µm |
| Calculation factor f | 1.06 |
| Calculation factor f1 | 1 |
| Calculation factor f2A | 1 |
| Calculation factor f2B | 1.02 |
| Calculation factor f2C | 1.05 |
| Calculation factor f2D | 1.09 |
| Calculation factor fHC | 1.02 |
| Calculation factor f0 | 9.4 |
| Mass bearing | 0.096 kg |