- Rolling mill roll neck bearings
- Four-row tapered roller bearings
Bearing No. EE843221D/290/291D
Specification data (main dimensions, etc.)
| d(mm) | 558.800 |
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| D(mm) | 736.600 |
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| T(mm) | 322.263 |
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| W(mm) | 322.263 |
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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) | 6370 |
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| Basic load ratings : C0r(kN) | 16100 |
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| Fatigue load limit : Cu(kN) | 1430 |
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| Axial load factors : Y2(mm) | 1.97 |
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| Axial load factors : Y3 | 2.93 |
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| Axial load factors : Y0 | 1.93 |
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| Constant e | 0.34 |
Mounting dimensions,weight (reference)
| da(min.)(mm) | 607 mm |
|---|
| Da(max.)(mm) | 712 mm |
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| Da(max.)(mm) | 692 mm |
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| S(min.)(mm) | 9.5 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) | 1.97 mm |
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| Axial load factors : Y3 | 2.93 |
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| Axial load factors : Y0 | 1.93 |
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| Constant e | 0.34 |
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| Mass(Refer.)(kg) | 371 kg |