- Tapered roller bearings
- Single-row
- Metric series
Bearing No. 30309CR
Specification data (main dimensions, etc.)
| d(mm) | 45 |
|---|
| D(mm) | 100 |
|---|
| T(mm) | 27.25 |
|---|
| B(mm) | 25 |
|---|
| C(mm) | 20 |
|---|
| r(min.)(mm) | 2 |
|---|
| r1(min.)(mm) | 1.5 |
|---|
| Basic load ratings : Cr(kN) | 136 |
|---|
| Basic load ratings : C0r(kN) | 119 |
|---|
| Fatigue load limit : Cu(kN) | 18.1 |
|---|
| Limiting speeds(Grease lub.)(min-1) | 4100 |
|---|
| Limiting speeds(Oil lub.)(min-1) | 5500 |
|---|
| Load center spread : a(mm) | 25.7 |
|---|
| Constant e | 0.55 |
|---|
| Axial load factors : Y1 | 1.10 |
|---|
| Axial load factors : Y0 | 0.60 |
Mounting dimensions,weight (reference)
| da(min.)(mm) | 55 mm |
|---|
| db(max.)(mm) | 57 mm |
|---|
| Da(max.)(mm) | 90 mm |
|---|
| da(min.)(mm) | 81 mm |
|---|
| db(min.)(mm) | 94 mm |
|---|
| Sa(min.)(mm) | 4 mm |
|---|
| Sb(min.)(mm) | 7 mm |
|---|
| ra(max.)(mm) | 2 mm |
|---|
| rb(max.)(mm) | 1.5 mm |
|---|
| Mass(Refer.)(kg) | 1.00 kg |