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Construction Machinery: Medium-Sized Excavator Hyundai
| Model | Rolling bearings number on either side | Support rollers number on either side |
|---|---|---|
| R80-7 | 5 | 1 |
| R55-7 | 5 | 1 |
| Model | Rolling bearings number on either side | Support rollers number on either side |
|---|---|---|
| R80-7 | 5 | 1 |
| R55-7 | 5 | 1 |