- Rolling mill roll neck bearings
- Four-row tapered roller bearings
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Bearing No. M257248D/210/210D
Specifications
(Boundary dimensions ...etc)
d(mm) | 304.902 |
---|
D(mm) | 412.648 |
---|
T(mm) | 266.700 |
---|
W(mm) | 266.700 |
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r(min.)(mm) | 3.2 |
---|
r1(min.)(mm) | 3.2 |
---|
Basic load ratings : Cr(kN) | 3210 |
---|
Basic load ratings : C0r(kN) | 7280 |
---|
Fatigue load limit : Cu(kN) | 746 |
---|
Axial load factors : Y2(mm) | 2.12 |
---|
Axial load factors : Y3() | 3.15 |
---|
Axial load factors : Y0() | 2.07 |
---|
Constant e() | 0.32 |
Mounting dimensions
da(min.)(mm) | 328 |
---|
Da(max.)(mm) | 398 |
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Da(max.)(mm) | 383 |
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S(min.)(mm) | 7 |
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ra(max.)(mm) | 3.2 |
---|
rb(max.)(mm) | 3.2 |
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Axial load factors : Y2(mm) | 2.12 |
---|
Axial load factors : Y3() | 3.15 |
---|
Axial load factors : Y0() | 2.07 |
---|
Constant e() | 0.32 |
Refer.