Bearing UC306D1 NTN UC306D1 NTN bearing Size Chart (mm/inches) |
|---|
| d | 25 mm |
| D | 47 mm |
| B | 12 mm |
| d1 | 32.1 mm |
| d2 | 32.1 mm |
| D2 | 42.17 mm |
| r1,2 min. | 0.6 mm |
| r3,4 min. | 0.3 mm |
| a | 10.9 mm |
| da min. | 28.2 mm |
| da max. | 31.6 mm |
| db min. | 28.2 mm |
| db max. | 31.6 mm |
| Da max. | 43.8 mm |
| Db max. | 45 mm |
| ra max. | 0.6 mm |
| rb max. | 0.3 mm |
| Basic dynamic load rating C | 9.56 kN |
| Basic static load rating C0 | 5.2 kN |
| Fatigue load limit Pu | 0.22 kN |
| Attainable speed for grease lubrication | 43000 r/min |
| Ball diameter Dw | 6.35 mm |
| Number of balls z | 14 |
| Preload class A GA | 35 N |
| Static axial stiffness, preload class A | 28 N/µm |
| Preload class B GB | 70 N |
| Static axial stiffness, preload class B | 37 N/µm |
| Preload class C GC | 140 N |
| Static axial stiffness, preload class C | 51 N/µm |
| Preload class D GD | 280 N |
| Static axial stiffness, preload class D | 71 N/µm |
| Calculation factor f | 1.05 |
| 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 | 9.6 |
| Mass bearing | 0.07 kg |