Komatsu Size Chart (mm/inches) |
|---|
| Bearing number | NA4868 |
| Size (mm) | 340x420x80 |
| Bore Diameter (mm) | 340 |
| Outer Diameter (mm) | 420 |
| Width (mm) | 80 |
| d | 340 mm |
| Fw | 370 mm |
| D | 420 mm |
| B | 80 mm |
| C | 80 mm |
| r min. | 2,1 mm |
| da min. | 351 mm |
| Da max. | 409 mm |
| ra max. | 2 mm |
| Weight | 24,5 Kg |
| Basic dynamic load rating (C) | 690 kN |
| Basic static load rating (C0) | 1990 kN |
| (Grease) Lubrication Speed | 670 r/min |
| (Oil) Lubrication Speed | 1100 r/min |
| hidYobi | NA4868 |
| LangID | 1 |
| D_ | 420 |
| B_ | 80 |
| hidTable | ecat_NSMRNR |
| GRS rpm | 670 |
| ra | 2 |
| da_min | 351 |
| d2 | 340 |
| C0 | 1990 |
| C1_ | 80 |
| DE_ | 402 |
| SLR | 63 |
| Prod_Type3 | NRB_S_NA |
| DA_ | 16 |
| Z_ | 48 |
| SI | 370 |
| yobi | NA4868 |
| da_max | 409 |
| OIL rpm | 1100 |
| SDM_ | 386 |
| r | 2.1 |
| KBRG | 8353 |
| mass2 | 24.5 |
| B1 | 80 |