- Rolling mill roll neck bearings
- Four-row tapered roller bearings
Bearing No. 47T664430
Specification data (main dimensions, etc.)
| d(mm) | 330.200 |
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| D(mm) | 444.500 |
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| T(mm) | 301.625 |
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| W(mm) | 301.625 |
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| r(min.)(mm) | 3.2 |
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| r1(min.)(mm) | 3.2 |
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| Basic load ratings : Cr(kN) | 3800 |
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| Basic load ratings : C0r(kN) | 9260 |
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| Fatigue load limit : Cu(kN) | 920 |
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| Axial load factors : Y2(mm) | 2.55 |
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| Axial load factors : Y3 | 3.80 |
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| Axial load factors : Y0 | 2.50 |
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| Constant e | 0.26 |
Mounting dimensions,weight (reference)
| da(min.)(mm) | 357 mm |
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| Da(max.)(mm) | 430 mm |
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| Da(max.)(mm) | 414 mm |
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| S(min.)(mm) | 10 mm |
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| ra(max.)(mm) | 3.2 mm |
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| rb(max.)(mm) | 3.2 mm |
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| Axial load factors : Y2(mm) | 2.55 mm |
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| Axial load factors : Y3 | 3.80 |
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| Axial load factors : Y0 | 2.50 |
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| Constant e | 0.26 |
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| Mass(Refer.)(kg) | 134 kg |