- Rolling mill roll neck bearings
- Four-row tapered roller bearings
Bearing No. 48680D/20/20D
Specification data (main dimensions, etc.)
| d(mm) | 139.700 |
|---|
| D(mm) | 200.025 |
|---|
| T(mm) | 160.340 |
|---|
| W(mm) | 157.166 |
|---|
| r(min.)(mm) | 3.3 |
|---|
| r1(min.)(mm) | 0.8 |
|---|
| Basic load ratings : Cr(kN) | 903 |
|---|
| Basic load ratings : C0r(kN) | 1960 |
|---|
| Fatigue load limit : Cu(kN) | 266 |
|---|
| Axial load factors : Y2(mm) | 2.01 |
|---|
| Axial load factors : Y3 | 2.99 |
|---|
| Axial load factors : Y0 | 1.96 |
|---|
| Constant e | 0.34 |
Mounting dimensions,weight (reference)
| da(min.)(mm) | 157 mm |
|---|
| Da(max.)(mm) | 187 mm |
|---|
| Da(max.)(mm) | 182 mm |
|---|
| S(min.)(mm) | 4 mm |
|---|
| ra(max.)(mm) | 3.3 mm |
|---|
| rb(max.)(mm) | 0.8 mm |
|---|
| Axial load factors : Y2(mm) | 2.01 mm |
|---|
| Axial load factors : Y3 | 2.99 |
|---|
| Axial load factors : Y0 | 1.96 |
|---|
| Constant e | 0.34 |
|---|
| Mass(Refer.)(kg) | 16.6 kg |