Komatsu 20U-63-92220 rod Size Chart (mm/inches) |
|---|
| d | 40 mm |
| D | 80 mm |
| B | 18 mm |
| d1 | 52.8 mm |
| D1 | 67.6 mm |
| D2 | 72.88 mm |
| a | 17 mm |
| Contact angle α | 15 ° |
| rs min | 1.1 mm |
| r1s min | 0.6 mm |
| f0 | 14.16 |
| Precision class | P4 |
| Mass | 0.37 kg |
| Dynamic load, C | 36.2 kN |
| Static load, C0 | 25.2 kN |
| Fatigue limit load, Cu | 1.34 kN |
| Nlim (oil) | 28,000 rpm |
| Nlim (grease) | 17,500 rpm |
| Axial displacement K Factor | 1.47 |
| Preload level | 7 |
| Preload value | 0.185 kN |
| Axial rigidity | 58 N/µm |
| Radial rigidity | 334 N/µm |
| Min operating temperature, Tmin | -30 °C |
| Max operating temperature, Tmax | 120 °C |
| Characteristic cage frequency, FTF | 0.4 Hz |
| Characteristic rolling element frequency, BSF | 4.85 Hz |
| Characteristic outer ring frequency, BPF0 | 5.25 Hz |
| Characteristic inner ring frequency, BPFI | 7.75 Hz |
| da min | 47 mm |
| db min | 47 mm |
| Da max | 73 mm |
| Db max | 73 mm |
| r1a max | 0.6 mm |
| ra max | 1 mm |
| D6 | 56.9 mm |