- Rolling mill roll neck bearings
- Four-row tapered roller bearings
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Bearing No. 4TR680B
Specifications
(Boundary dimensions ...etc)
d(mm) | 680.000 |
---|
D(mm) | 970.000 |
---|
T(mm) | 740.000 |
---|
W(mm) | 740.000 |
---|
r(min.)(mm) | 6.4 |
---|
r1(min.)(mm) | 3.2 |
---|
Basic load ratings : Cr(kN) | 20200 |
---|
Basic load ratings : C0r(kN) | 52800 |
---|
Fatigue load limit : Cu(kN) | 3930 |
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Axial load factors : Y2(mm) | 2.03 |
---|
Axial load factors : Y3() | 3.02 |
---|
Axial load factors : Y0() | 1.98 |
---|
Constant e() | 0.33 |
Mounting dimensions
da(min.)(mm) | 743 |
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Da(max.)(mm) | 946 |
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Da(max.)(mm) | 896 |
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S(min.)(mm) | 9 |
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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) | 2.03 |
---|
Axial load factors : Y3() | 3.02 |
---|
Axial load factors : Y0() | 1.98 |
---|
Constant e() | 0.33 |
Refer.