Komatsu 20Y-70-33111ST connecting rod
| Min.Order Quantity |
1 pcs |
| Price |
Negotiable |
Product Features
Komatsu 20Y-70-33111ST connecting rod Size Chart (mm/inches) |
|---|
| Bearing number | 71948CVUJ74 |
| Size (mm) | 240x320x38 |
| Bore Diameter (mm) | 240 |
| Outer Diameter (mm) | 320 |
| Width (mm) | 38 |
| d | 240 mm |
| D | 320 mm |
| B | 38 mm |
| C | 38 mm |
| Angle (α) | 15 ° |
| d1 | 266.7 mm |
| D1 | 293.33 mm |
| D2 | 304.97 mm |
| a | 57 mm |
| Contact angle α | 15 ° |
| rs min | 2.1 mm |
| r1s min | 1 mm |
| f0 | 16.96 |
| Precision class | P4 |
| Mass | 7.27 kg |
| Dynamic load, C | 181 kN |
| Static load, C0 | 267 kN |
| Fatigue limit load, Cu | 8.5 kN |
| Nlim (oil) | 6,300 rpm |
| Nlim (grease) | 4,100 rpm |
| Axial displacement K Factor | 0.62 |
| Preload level | 7 |
| Preload value | 1.8 kN |
| Axial rigidity | 301 N/µm |
| Radial rigidity | 1,674 N/µm |
| Min operating temperature, Tmin | -30 °C |
| Max operating temperature, Tmax | 120 °C |
| Characteristic cage frequency, FTF | 0.46 Hz |
| Characteristic rolling element frequency, BSF | 12.52 Hz |
| Characteristic outer ring frequency, BPF0 | 15.24 Hz |
| Characteristic inner ring frequency, BPFI | 17.76 Hz |
| da min | 252 mm |
| db min | 252 mm |
| Da max | 308 mm |
| Db max | 314.5 mm |
| r1a max | 1 mm |
| ra max | 2 mm |
| D6 | 272 mm |