- Rolling mill roll neck bearings
- Four-row tapered roller bearings
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Bearing No. EE640193D/260/261D
Specifications
(Boundary dimensions ...etc)
| d(mm) | 488.950 |
|---|
| D(mm) | 660.400 |
|---|
| T(mm) | 361.950 |
|---|
| W(mm) | 365.125 |
|---|
| r(min.)(mm) | 6.4 |
|---|
| r1(min.)(mm) | 7.9 |
|---|
| Basic load ratings : Cr(kN) | 6640 |
|---|
| Basic load ratings : C0r(kN) | 15800 |
|---|
| Fatigue load limit : Cu(kN) | 1430 |
|---|
| Axial load factors : Y2(mm) | 2.20 |
|---|
| Axial load factors : Y3() | 3.27 |
|---|
| Axial load factors : Y0() | 2.15 |
|---|
| Constant e() | 0.31 |
Mounting dimensions
| da(min.)(mm) | 527 |
|---|
| Da(max.)(mm) | 637 |
|---|
| Da(max.)(mm) | 616 |
|---|
| S(min.)(mm) | 11 |
|---|
| ra(max.)(mm) | 6.4 |
|---|
| rb(max.)(mm) | 7.9 |
|---|
| Axial load factors : Y2(mm) | 2.20 |
|---|
| Axial load factors : Y3() | 3.27 |
|---|
| Axial load factors : Y0() | 2.15 |
|---|
| Constant e() | 0.31 |
Refer.