- Rolling mill roll neck bearings
- Four-row tapered roller bearings
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Bearing No. 4TR686D
Specifications
(Boundary dimensions ...etc)
d(mm) | 685.800 |
---|
D(mm) | 876.300 |
---|
T(mm) | 355.600 |
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W(mm) | 352.425 |
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r(min.)(mm) | 6.4 |
---|
r1(min.)(mm) | 3.2 |
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Basic load ratings : Cr(kN) | 7950 |
---|
Basic load ratings : C0r(kN) | 23100 |
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Fatigue load limit : Cu(kN) | 1880 |
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Axial load factors : Y2(mm) | 1.62 |
---|
Axial load factors : Y3() | 2.42 |
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Axial load factors : Y0() | 1.59 |
---|
Constant e() | 0.42 |
Mounting dimensions
da(min.)(mm) | 734 |
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Da(max.)(mm) | 852 |
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Da(max.)(mm) | 823 |
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S(min.)(mm) | 11 |
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ra(max.)(mm) | 6.4 |
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rb(max.)(mm) | 3.2 |
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Axial load factors : Y2(mm) | 1.62 |
---|
Axial load factors : Y3() | 2.42 |
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Axial load factors : Y0() | 1.59 |
---|
Constant e() | 0.42 |
Refer.