NTN 4T-25880/25820 tapered roller bearings
Online 420x700x280 Size (mm) 420 Bore Diameter (mm) shopping NTN 4T-25880/25820 tapered roller bearings from a great selection at Store. … Accessories.
| Size (mm) | 420x700x280 |
| Bore Diameter (mm) | 420 |
| Outer Diameter (mm) | 700 |
| Width (mm) | 280 |
| d | 420 mm |
| D | 700 mm |
| B | 280 mm |
| C | 280 mm |
| b | 22,3 mm |
| d2 | 494 mm |
| r1 min. | 6 mm |
| r2 min. | 6 mm |
| D1 | 597 mm |
| K | 12 mm |
| da min. | 446 mm |
| Da max. | 674 mm |
| ra max. | 5 mm |
| Weight | 445 Kg |
| Basic dynamic load rating (C) | 7350 kN |
| Basic static load rating (C0) | 12600 kN |
| Fatigue load limit (Pu) | 850 |
| Reference speed | 320 r/min |
| Limiting speed | 480 r/min |
| Calculation factor (e) | 0,4 |
| Calculation factor (Y0) | 1,6 |
| Calculation factor (Y1) | 1,7 |
Detailed Parameters
parameter：
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