- Tapered roller bearings
- Single-row
- Metric series
Bearing No. 30303JR
Specification data (main dimensions, etc.)
| d(mm) | 17 |
|---|
| D(mm) | 47 |
|---|
| T(mm) | 15.25 |
|---|
| B(mm) | 14 |
|---|
| C(mm) | 12 |
|---|
| r(min.)(mm) | 1 |
|---|
| r1(min.)(mm) | 1 |
|---|
| Basic load ratings : Cr(kN) | 34.2 |
|---|
| Basic load ratings : C0r(kN) | 24.5 |
|---|
| Fatigue load limit : Cu(kN) | 3.45 |
|---|
| Limiting speeds(Grease lub.)(min-1) | 9200 |
|---|
| Limiting speeds(Oil lub.)(min-1) | 12000 |
|---|
| Load center spread : a(mm) | 11.0 |
|---|
| Constant e | 0.29 |
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| Axial load factors : Y1 | 2.11 |
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| Axial load factors : Y0 | 1.16 |
Mounting dimensions,weight (reference)
| da(min.)(mm) | 22.5 mm |
|---|
| db(max.)(mm) | 25 mm |
|---|
| Da(max.)(mm) | 41.5 mm |
|---|
| da(min.)(mm) | 40 mm |
|---|
| db(min.)(mm) | 42 mm |
|---|
| Sa(min.)(mm) | 2 mm |
|---|
| Sb(min.)(mm) | 3 mm |
|---|
| ra(max.)(mm) | 1 mm |
|---|
| rb(max.)(mm) | 1 mm |
|---|
| Mass(Refer.)(kg) | 0.133 kg |