- Tapered roller bearings
- Single-row
- Inch series
Bearing No. 02875/20
Specification data (main dimensions, etc.)
| d(mm) | 31.750 |
|---|
| D(mm) | 73.025 |
|---|
| T(mm) | 22.225 |
|---|
| B(mm) | 22.225 |
|---|
| C(mm) | 17.462 |
|---|
| r(min.)(mm) | 3.6 |
|---|
| r1(min.)(mm) | 3.2 |
|---|
| Basic load ratings : Cr(kN) | 68.8 |
|---|
| Basic load ratings : C0r(kN) | 65.7 |
|---|
| Fatigue load limit : Cu(kN) | 9.55 |
|---|
| Limiting speeds(Grease lub.)(min-1) | 5600 |
|---|
| Limiting speeds(Oil lub.)(min-1) | 7400 |
|---|
| Load center spread : a(mm) | 17.1 |
|---|
| Constant :e | 0.45 |
|---|
| Axial load factors : Y1 | 1.32 |
|---|
| Axial load factors : Y0 | 0.73 |
Mounting dimensions,weight (reference)
| da(mm) | 45.5 mm |
|---|
| db(mm) | 39.5 mm |
|---|
| Da(mm) | 62.0 mm |
|---|
| Db(mm) | 68.0 mm |
|---|
| ra(max.)(mm) | 3.6 mm |
|---|
| rb(max.)(mm) | 3.2 mm |
|---|
| Mass(Refer.)(kg) | 0.451 kg |