- Tapered roller bearings
- Single-row
- Inch series
Bearing No. 28137/300
Specification data (main dimensions, etc.)
| d(mm) | 34.925 |
|---|
| D(mm) | 76.200 |
|---|
| T(mm) | 20.638 |
|---|
| B(mm) | 20.940 |
|---|
| C(mm) | 15.507 |
|---|
| r(min.)(mm) | 1.6 |
|---|
| r1(min.)(mm) | 1.2 |
|---|
| Basic load ratings : Cr(kN) | 71.6 |
|---|
| Basic load ratings : C0r(kN) | 65.9 |
|---|
| Fatigue load limit : Cu(kN) | 9.70 |
|---|
| Limiting speeds(Grease lub.)(min-1) | 5300 |
|---|
| Limiting speeds(Oil lub.)(min-1) | 7000 |
|---|
| Load center spread : a(mm) | 16.5 |
|---|
| Constant :e | 0.40 |
|---|
| Axial load factors : Y1 | 1.49 |
|---|
| Axial load factors : Y0 | 0.82 |
Mounting dimensions,weight (reference)
| da(mm) | 43.5 mm |
|---|
| db(mm) | 41.0 mm |
|---|
| Da(mm) | 68.0 mm |
|---|
| Db(mm) | 71.0 mm |
|---|
| ra(max.)(mm) | 1.6 mm |
|---|
| rb(max.)(mm) | 1.2 mm |
|---|
| Mass(Refer.)(kg) | 0.452 kg |