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

Bearing No. 30304AJR
Specifications
(Boundary dimensions ...etc)
| d(mm) | 20 |
|---|
| D(mm) | 52 |
|---|
| T(mm) | 16.25 |
|---|
| B(mm) | 16 |
|---|
| C(mm) | 13 |
|---|
| r(min.)(mm) | 1.5 |
|---|
| r1(min.)(mm) | 1.5 |
|---|
| Basic load ratings : Cr(kN) | 45.3 |
|---|
| Basic load ratings : C0r(kN) | 35.1 |
|---|
| Fatigue load limit : Cu(kN) | 5.05 |
|---|
| Limiting speeds(Grease lub.)(min-1) | 8300 |
|---|
| Limiting speeds(Oil lub.)(min-1) | 11000 |
|---|
| Load center spread : a(mm) | 11.1 |
|---|
| Constant e() | 0.30 |
|---|
| Axial load factors : Y1() | 2.00 |
|---|
| Axial load factors : Y0() | 1.10 |
Mounting dimensions
| da(min.)(mm) | 28.5 |
|---|
| db(max.)(mm) | 28 |
|---|
| Da(max.)(mm) | 44 |
|---|
| Da(min.)(mm) | 44 |
|---|
| Db(min.)(mm) | 47 |
|---|
| Sa(min.)(mm) | 2 |
|---|
| Sb(min.)(mm) | 3 |
|---|
| ra(max.)(mm) | 1.5 |
|---|
| rb(max.)(mm) | 1.5 |
Refer.