KOYO 3NCHAC915CA angular contact ball bearings
Various 180 mm D 28 mm B types and sizes to accommodate 120 mm d your KOYO 3NCHAC915CA angular contact ball bearings requirements.
| d | 120 mm |
| D | 180 mm |
| B | 28 mm |
| d1 | 139.4 mm |
| D1 | 160.6 mm |
| D2 | 168.91 mm |
| a | 49 mm |
| Contact angle α | 25 ° |
| rs min | 2 mm |
| r1s min | 1 mm |
| f0 | 16.27 |
| Precision class | P4 |
| Mass | 2.13 kg |
| Dynamic load, C | 94.8 kN |
| Static load, C0 | 103 kN |
| Fatigue limit load, Cu | 4.75 kN |
| Nlim (oil) | 10,500 rpm |
| Nlim (grease) | 7,000 rpm |
| Axial displacement K Factor | 0.43 |
| Preload level | 7 |
| Preload value | 1.16 kN |
| Axial rigidity | 309 N/µm |
| Radial rigidity | 672 N/µm |
| Min operating temperature, Tmin | -30 °C |
| Max operating temperature, Tmax | 120 °C |
| Characteristic cage frequency, FTF | 0.45 Hz |
| Characteristic rolling element frequency, BSF | 8.49 Hz |
| Characteristic outer ring frequency, BPF0 | 10.29 Hz |
| Characteristic inner ring frequency, BPFI | 12.71 Hz |
| da min | 130 mm |
| db min | 130 mm |
| Da max | 170 mm |
| Db max | 170 mm |
| r1a max | 1 mm |
| ra max | 2 mm |
| D6 | 145 mm |
Detailed Parameters
parameter：
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