AST NJ207 E cylindrical roller bearings
Offer High Quality Brand AST NJ207 E cylindrical roller bearings .Contact Us 47 Outer Diameter (mm) Online to 30x47x9 Size (mm) Get Best Quote.
| 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) | 15 ° |
| d1 | 35.1 mm |
| d2 | 33.9 mm |
| D1 | 42.15 mm |
| D2 | 43.45 mm |
| a | 10 mm |
| Contact angle α | 17 ° |
| rs min | 0.3 mm |
| r1s min | 0.3 mm |
| f0 | 8.32 |
| Precision class | P4S |
| Mass | 0.05 kg |
| Dynamic load, C | 4.6 kN |
| Static load, C0 | 2.75 kN |
| Fatigue limit load, Cu | 0.15 kN |
| Nlim (grease) | 42,000 rpm |
| Axial displacement K Factor | 1.44 |
| Preload level | 7 |
| Preload value | 0.023 kN |
| Axial rigidity | 28 N/µm |
| Radial rigidity | 139 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 | 9.45 Hz |
| Characteristic outer ring frequency, BPF0 | 9.9 Hz |
| Characteristic inner ring frequency, BPFI | 12.1 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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