- Rolling mill roll neck bearings
- Four-row tapered roller bearings
Bearing No. 4TR840
Specification data (main dimensions, etc.)
| d(mm) | 840 |
|---|
| D(mm) | 1170 |
|---|
| T(mm) | 840 |
|---|
| W(mm) | 840 |
|---|
| r(min.)(mm) | 7.5 |
|---|
| r1(min.)(mm) | 7.5 |
|---|
| Basic load ratings : Cr(kN) | 27500 |
|---|
| Basic load ratings : C0r(kN) | 74600 |
|---|
| Fatigue load limit : Cu(kN) | 5220 |
|---|
| 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,weight (reference)
| da(min.)(mm) | 911 mm |
|---|
| Da(max.)(mm) | 1134 mm |
|---|
| Da(max.)(mm) | 1089 mm |
|---|
| S(min.)(mm) | 16 mm |
|---|
| ra(max.)(mm) | 6 mm |
|---|
| rb(max.)(mm) | 6 mm |
|---|
| Axial load factors : Y2(mm) | 2.03 mm |
|---|
| Axial load factors : Y3 | 3.02 |
|---|
| Axial load factors : Y0 | 1.98 |
|---|
| Constant e | 0.33 |
|---|
| Mass(Refer.)(kg) | 2880 kg |