- Rolling mill roll neck bearings
- Four-row tapered roller bearings
Bearing No. 47T412821A
Specification data (main dimensions, etc.)
| d(mm) | 206.375 |
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| D(mm) | 282.575 |
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| T(mm) | 210.000 |
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| W(mm) | 210.000 |
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| r(min.)(mm) | 3.2 |
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| r1(min.)(mm) | 0.8 |
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| Basic load ratings : Cr(kN) | 1480 |
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| Basic load ratings : C0r(kN) | 3010 |
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| Fatigue load limit : Cu(kN) | 374 |
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| Axial load factors : Y2(mm) | 1.57 |
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| Axial load factors : Y3 | 2.34 |
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| Axial load factors : Y0 | 1.53 |
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| Constant e | 0.43 |
Mounting dimensions,weight (reference)
| da(min.)(mm) | 219 mm |
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| Da(max.)(mm) | 270 mm |
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| Da(max.)(mm) | 260 mm |
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| S(min.)(mm) | 3.5 mm |
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| ra(max.)(mm) | 3.2 mm |
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| rb(max.)(mm) | 0.8 mm |
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| Axial load factors : Y2(mm) | 1.57 mm |
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| Axial load factors : Y3 | 2.34 |
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| Axial load factors : Y0 | 1.53 |
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| Constant e | 0.43 |
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| Mass(Refer.)(kg) | 36.2 kg |