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Construction Machinery: Medium-Sized Excavator Komatsu
| Model | Rolling bearings number on either side | Support rollers number on either side |
|---|---|---|
| PC95R-2 | 6 | 1 |
| PC95MR-2 | 6 | 1 |
| PC88MR-8 | 5 | 1 |
| PC78US-6 | 5 | 1 |
| PC78MR-6 | 5 | 1 |
| PC58UU-3 | 5 | 1 |
| PC55MR-3 | 4 | 1 |
| PC50MR-2 | 4 | 1 |
| PC45R-8 | 5 | |
| PC45MR-3 | 4 | 1 |
| PC40MR-2 | 4 | 1 |