- Tapered roller bearings
- Single-row
- Inch series
Bearing No. 27880/20
Specification data (main dimensions, etc.)
| d(mm) | 38.100 |
|---|
| D(mm) | 80.035 |
|---|
| T(mm) | 24.608 |
|---|
| B(mm) | 23.698 |
|---|
| C(mm) | 18.512 |
|---|
| r(min.)(mm) | 0.8 |
|---|
| r1(min.)(mm) | 1.6 |
|---|
| Basic load ratings : Cr(kN) | 91.6 |
|---|
| Basic load ratings : C0r(kN) | 91.6 |
|---|
| Fatigue load limit : Cu(kN) | 13.3 |
|---|
| Limiting speeds(Grease lub.)(min-1) | 5200 |
|---|
| Limiting speeds(Oil lub.)(min-1) | 6900 |
|---|
| Load center spread : a(mm) | 22.2 |
|---|
| Constant :e | 0.56 |
|---|
| Axial load factors : Y1 | 1.07 |
|---|
| Axial load factors : Y0 | 0.59 |
Mounting dimensions,weight (reference)
| da(mm) | 48.0 mm |
|---|
| db(mm) | 47.0 mm |
|---|
| Da(mm) | 68.0 mm |
|---|
| Db(mm) | 75.0 mm |
|---|
| ra(max.)(mm) | 0.8 mm |
|---|
| rb(max.)(mm) | 1.6 mm |
|---|
| Mass(Refer.)(kg) | 0.586 kg |