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

Bearing No. 30309JR
Specifications
(Boundary dimensions ...etc)
| d(mm) | 45 |
|---|
| D(mm) | 100 |
|---|
| T(mm) | 27.25 |
|---|
| B(mm) | 25 |
|---|
| C(mm) | 22 |
|---|
| r(min.)(mm) | 2 |
|---|
| r1(min.)(mm) | 1.5 |
|---|
| Basic load ratings : Cr(kN) | 141 |
|---|
| Basic load ratings : C0r(kN) | 128 |
|---|
| Fatigue load limit : Cu(kN) | 19.9 |
|---|
| Limiting speeds(Grease lub.)(min-1) | 4100 |
|---|
| Limiting speeds(Oil lub.)(min-1) | 5400 |
|---|
| Load center spread : a(mm) | 21.3 |
|---|
| Constant e() | 0.35 |
|---|
| Axial load factors : Y1() | 1.74 |
|---|
| Axial load factors : Y0() | 0.96 |
Mounting dimensions
| da(min.)(mm) | 55 |
|---|
| db(max.)(mm) | 59 |
|---|
| Da(max.)(mm) | 90 |
|---|
| Da(min.)(mm) | 86 |
|---|
| Db(min.)(mm) | 93 |
|---|
| Sa(min.)(mm) | 3 |
|---|
| Sb(min.)(mm) | 5 |
|---|
| ra(max.)(mm) | 2 |
|---|
| rb(max.)(mm) | 1.5 |
Refer.