- Rolling mill roll neck bearings
- Four-row tapered roller bearings
Bearing No. LM778549D/510/510D
Specification data (main dimensions, etc.)
| d(mm) | 584.200 |
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| D(mm) | 762.000 |
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| T(mm) | 401.638 |
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| W(mm) | 396.875 |
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| r(min.)(mm) | 6.4 |
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| r1(min.)(mm) | 3.2 |
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| Basic load ratings : Cr(kN) | 7880 |
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| Basic load ratings : C0r(kN) | 20800 |
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| Fatigue load limit : Cu(kN) | 1770 |
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| Axial load factors : Y2(mm) | 1.43 |
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| Axial load factors : Y3 | 2.12 |
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| Axial load factors : Y0 | 1.40 |
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| Constant e | 0.47 |
Mounting dimensions,weight (reference)
| da(min.)(mm) | 617 mm |
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| Da(max.)(mm) | 738 mm |
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| Da(max.)(mm) | 715 mm |
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| S(min.)(mm) | 8.5 mm |
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| ra(max.)(mm) | 6.4 mm |
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| rb(max.)(mm) | 3.2 mm |
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| Axial load factors : Y2(mm) | 1.43 mm |
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| Axial load factors : Y3 | 2.12 |
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| Axial load factors : Y0 | 1.40 |
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| Constant e | 0.47 |
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| Mass(Refer.)(kg) | 468 kg |