Komatsu 203-63-55521 rod Size Chart (mm/inches) |
|---|
| Bearing number | 7213HG1UJ74 |
| Size (mm) | 65x120x23 |
| Bore Diameter (mm) | 65 |
| Outer Diameter (mm) | 120 |
| Width (mm) | 23 |
| d | 65 mm |
| D | 120 mm |
| B | 23 mm |
| C | 23 mm |
| Angle (α) | 20 ° |
| d1 | 82.8 mm |
| D1 | 102.3 mm |
| D2 | 109.98 mm |
| a | 33 mm |
| Contact angle α | 25 ° |
| rs min | 1.5 mm |
| r1s min | 1.1 mm |
| f0 | 15.04 |
| Precision class | P4 |
| Mass | 1.14 kg |
| Dynamic load, C | 66.4 kN |
| Static load, C0 | 54.9 kN |
| Fatigue limit load, Cu | 3.05 kN |
| Nlim (oil) | 15,500 rpm |
| Nlim (grease) | 10,500 rpm |
| Axial displacement K Factor | 0.52 |
| Preload level | 7 |
| Preload value | 0.59 kN |
| Axial rigidity | 227 N/µm |
| Radial rigidity | 484 N/µm |
| Min operating temperature, Tmin | -30 °C |
| Max operating temperature, Tmax | 120 °C |
| Characteristic cage frequency, FTF | 0.42 Hz |
| Characteristic rolling element frequency, BSF | 5.69 Hz |
| Characteristic outer ring frequency, BPF0 | 6.76 Hz |
| Characteristic inner ring frequency, BPFI | 9.24 Hz |
| da min | 73.5 mm |
| db min | 73.5 mm |
| Da max | 111.5 mm |
| Db max | 111.5 mm |
| r1a max | 1 mm |
| ra max | 1.5 mm |
| D6 | 88.3 mm |