ISO 7028 BDF angular contact ball bearings
What is the best place to buy 30x47x9 Size (mm) ISO 7028 BDF angular contact ball bearings online? Manufacturing Service .
| Size (mm) | 30x47x9 |
| Bore Diameter (mm) | 30 |
| Outer Diameter (mm) | 47 |
| Width (mm) | 9 |
| d | 30 mm |
| D | 47 mm |
| B | 9 mm |
| C | 9 mm |
| Angle (α) | 20 ° |
| d1 | 35.1 mm |
| d2 | 33.9 mm |
| D1 | 42.15 mm |
| D2 | 43.45 mm |
| a | 13 mm |
| Contact angle α | 25 ° |
| rs min | 0.3 mm |
| r1s min | 0.3 mm |
| f0 | 8.38 |
| Precision class | P4S |
| Mass | 0.05 kg |
| Dynamic load, C | 4.4 kN |
| Static load, C0 | 2.65 kN |
| Fatigue limit load, Cu | 0.15 kN |
| Nlim (grease) | 35,000 rpm |
| Axial displacement K Factor | 0.8 |
| Preload level | 7 |
| Preload value | 0.035 kN |
| Axial rigidity | 58 N/µm |
| Radial rigidity | 128 N/µm |
| Min operating temperature, Tmin | -20 °C |
| Max operating temperature, Tmax | 120 °C |
| Characteristic cage frequency, FTF | 0.45 Hz |
| Characteristic rolling element frequency, BSF | 9.46 Hz |
| Characteristic outer ring frequency, BPF0 | 9.96 Hz |
| Characteristic inner ring frequency, BPFI | 12.04 Hz |
| da min | 32.5 mm |
| db min | 32.5 mm |
| Da max | 44.5 mm |
| Db max | 44.5 mm |
| r1a max | 0.3 mm |
| ra max | 0.3 mm |
| D6 | 36.5 mm |
Detailed Parameters
parameter：
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