- Rolling mill roll neck bearings
- Four-row tapered roller bearings
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Bearing No. HM256849D/810/810D
Specifications
(Boundary dimensions ...etc)
d(mm) | 300.038 |
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D(mm) | 422.275 |
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T(mm) | 311.150 |
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W(mm) | 311.150 |
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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) | 3650 |
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Basic load ratings : C0r(kN) | 8050 |
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Fatigue load limit : Cu(kN) | 818 |
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Axial load factors : Y2(mm) | 2.00 |
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Axial load factors : Y3() | 2.98 |
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Axial load factors : Y0() | 1.96 |
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Constant e() | 0.34 |
Mounting dimensions
da(min.)(mm) | 325 |
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Da(max.)(mm) | 407 |
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Da(max.)(mm) | 388 |
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S(min.)(mm) | 7 |
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ra(max.)(mm) | 3.2 |
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rb(max.)(mm) | 3.2 |
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Axial load factors : Y2(mm) | 2.00 |
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Axial load factors : Y3() | 2.98 |
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Axial load factors : Y0() | 1.96 |
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Constant e() | 0.34 |
Refer.