NSK R420-4 cylindrical roller bearings
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| Size (mm) | 480x790x248 |
| Bore Diameter (mm) | 480 |
| Outer Diameter (mm) | 790 |
| Width (mm) | 248 |
| d | 480 mm |
| D | 790 mm |
| B | 248 mm |
| D1 | 688,3 mm |
| Da max | 758 mm |
| da min | 512 mm |
| ds | 12,5 mm |
| ns | 23,5 mm |
| ra max | 6 mm |
| rmin | 7,5 mm |
| m | 470 kg / Weight |
| Cr | 6300000 N / Dynamic load rating (radial) |
| e | 0,32 |
| Y1 | 2,12 |
| Y2 | 3,15 |
| C0r | 12700000 N / Static load rating (radial) |
| Y0 | 2,07 |
| nG | 730 1/min / Limiting speed |
| nB | 375 1/min / Reference speed |
| Cur | 570000 N |
Detailed Parameters
parameter：
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