Bearing SMR74-2Z ZEN SMR74-2Z ZEN bearing Size Chart (mm/inches) |
|---|
| d | 50 mm |
| D | 72 mm |
| B | 12 mm |
| d1 | 56.8 mm |
| D1 | 65.2 mm |
| D2 | 68.02 mm |
| a | 14 mm |
| Contact angle α | 15 ° |
| rs min | 0.6 mm |
| r1s min | 0.3 mm |
| f0 | 16.39 |
| Precision class | P4 |
| Mass | 0.13 kg |
| Dynamic load, C | 14.8 kN |
| Static load, C0 | 13.4 kN |
| Fatigue limit load, Cu | 0.72 kN |
| Nlim (oil) | 29,000 rpm |
| Nlim (grease) | 19,000 rpm |
| Axial displacement K Factor | 1.26 |
| Preload level | 8 |
| Preload value | 0.23 kN |
| Axial rigidity | 80 N/µm |
| Radial rigidity | 395 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 | 9.51 Hz |
| Characteristic outer ring frequency, BPF0 | 9.44 Hz |
| Characteristic inner ring frequency, BPFI | 11.56 Hz |
| da min | 54.5 mm |
| db min | 54.5 mm |
| Da max | 67.5 mm |
| Db max | 67.5 mm |
| r1a max | 0.3 mm |
| ra max | 0.6 mm |
| D6 | 58.9 mm |