- Tapered roller bearings
- Single-row
- Inch series
>

Bearing No. 1380/28
Specifications
(Boundary dimensions ...etc)
| d(mm) | 22.225 |
|---|
| D(mm) | 52.388 |
|---|
| T(mm) | 19.368 |
|---|
| B(mm) | 20.168 |
|---|
| C(mm) | 14.288 |
|---|
| r(min.)(mm) | 1.6 |
|---|
| r1(min.)(mm) | 1.6 |
|---|
| Basic load ratings : Cr(kN) | 45.9 |
|---|
| Basic load ratings : C0r(kN) | 37.9 |
|---|
| Fatigue load limit : Cu(kN) | 5.45 |
|---|
| Limiting speeds(Grease lub.)(min-1) | 8000 |
|---|
| Limiting speeds(Oil lub.)(min-1) | 11000 |
|---|
| Load center spread : a(mm) | 11.6 |
|---|
| Constant :e() | 0.29 |
|---|
| Axial load factors : Y1() | 2.05 |
|---|
| Axial load factors : Y0() | 1.13 |
Mounting dimensions
| da(mm) | 29.5 |
|---|
| db(mm) | 29.5 |
|---|
| Da(mm) | 45.0 |
|---|
| Db(mm) | 48.5 |
|---|
| ra(max.)(mm) | 1.6 |
|---|
| rb(max.)(mm) | 1.6 |
Refer.