- Tapered roller bearings
- Single-row
- Inch series
Bearing No. 3386/20
Specification data (main dimensions, etc.)
| d(mm) | 39.688 |
|---|
| D(mm) | 80.167 |
|---|
| T(mm) | 29.370 |
|---|
| B(mm) | 30.391 |
|---|
| C(mm) | 23.812 |
|---|
| r(min.)(mm) | 0.8 |
|---|
| r1(min.)(mm) | 3.2 |
|---|
| Basic load ratings : Cr(kN) | 114 |
|---|
| Basic load ratings : C0r(kN) | 106 |
|---|
| Fatigue load limit : Cu(kN) | 16.2 |
|---|
| Limiting speeds(Grease lub.)(min-1) | 5000 |
|---|
| Limiting speeds(Oil lub.)(min-1) | 6700 |
|---|
| Load center spread : a(mm) | 18.7 |
|---|
| Constant :e | 0.27 |
|---|
| Axial load factors : Y1 | 2.20 |
|---|
| Axial load factors : Y0 | 1.21 |
Mounting dimensions,weight (reference)
| da(mm) | 46.5 mm |
|---|
| db(mm) | 45.5 mm |
|---|
| Da(mm) | 70.0 mm |
|---|
| Db(mm) | 75.0 mm |
|---|
| ra(max.)(mm) | 0.8 mm |
|---|
| rb(max.)(mm) | 3.2 mm |
|---|
| Mass(Refer.)(kg) | 0.659 kg |