- Tapered roller bearings
- Single-row
- Metric series
Bearing No. 30306DJR
Specification data (main dimensions, etc.)
| d(mm) | 30 |
|---|
| D(mm) | 72 |
|---|
| T(mm) | 20.75 |
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| B(mm) | 19 |
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| C(mm) | 14 |
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| r(min.)(mm) | 1.5 |
|---|
| r1(min.)(mm) | 1.5 |
|---|
| Basic load ratings : Cr(kN) | 63.5 |
|---|
| Basic load ratings : C0r(kN) | 54.9 |
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| Fatigue load limit : Cu(kN) | 7.70 |
|---|
| Limiting speeds(Grease lub.)(min-1) | 4900 |
|---|
| Limiting speeds(Oil lub.)(min-1) | 6800 |
|---|
| Load center spread : a(mm) | 23.7 |
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| Constant e | 0.83 |
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| Axial load factors : Y1 | 0.73 |
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| Axial load factors : Y0 | 0.40 |
Mounting dimensions,weight (reference)
| da(min.)(mm) | 38.5 mm |
|---|
| db(max.)(mm) | 40 mm |
|---|
| Da(max.)(mm) | 63.5 mm |
|---|
| da(min.)(mm) | 55 mm |
|---|
| db(min.)(mm) | 68 mm |
|---|
| Sa(min.)(mm) | 3 mm |
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| Sb(min.)(mm) | 6.5 mm |
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| ra(max.)(mm) | 1.5 mm |
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| rb(max.)(mm) | 1.5 mm |
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| Mass(Refer.)(kg) | 0.400 kg |