KOYO
Tapered roller bearings 45256
Bearing KOYO 45256, Ø280×420×106 mm. Request a quote — worldwide shipping.
Type Tapered roller bearings
Dimensions
Ø 280 × 420 × 106 mm
d280Bore Ø (mm)
×
D420Outer Ø (mm)
×
B106Width (mm)
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Technical specifications
| d | 280 mm |
| D | 420 mm |
| B | 106 mm |
| T | 106 mm |
| r(min.) | 4 mm |
| r1(min.) | 5 mm |
| Basic load ratings : Cr | 1490 kN |
| Basic load ratings : C0r | 2470 kN |
| Fatigue load limit : Cu | 265 kN |
| Limiting speeds(Grease lub.) | 560 min-1 |
| Limiting speeds(Oil lub.) | 750 min-1 |
| Constant e | 0.25 |
| Axial load factors : Y2 | 2.69 |
| Axial load factors : Y3 | 4.00 |
| Axial load factors : Y0 | 2.63 |
| da(max.) | 321 mm |
| Da(max.) | 402 mm |
| Da(min.) | 370 mm |
| Sa(min.) | 6 mm |
| ra(max.) | 3 mm |
| rb(max.) | 4 mm |
| (Refer.)Mass | 51.9 kg |
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KOYO 45256