- Tapered roller bearings
- Single-row
- Metric series
Bearing No. 30307DJR
Specification data (main dimensions, etc.)
| d(mm) | 35 |
|---|
| D(mm) | 80 |
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| T(mm) | 22.75 |
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| B(mm) | 21 |
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| C(mm) | 15 |
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| r(min.)(mm) | 2 |
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| r1(min.)(mm) | 1.5 |
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| Basic load ratings : Cr(kN) | 78.7 |
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| Basic load ratings : C0r(kN) | 69.1 |
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| Fatigue load limit : Cu(kN) | 9.85 |
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| Limiting speeds(Grease lub.)(min-1) | 4300 |
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| Limiting speeds(Oil lub.)(min-1) | 6000 |
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| Load center spread : a(mm) | 26.8 |
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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) | 45 mm |
|---|
| db(max.)(mm) | 44 mm |
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| Da(max.)(mm) | 70 mm |
|---|
| da(min.)(mm) | 66 mm |
|---|
| db(min.)(mm) | 76.5 mm |
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| Sa(min.)(mm) | 3 mm |
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| Sb(min.)(mm) | 7.5 mm |
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| ra(max.)(mm) | 2 mm |
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| rb(max.)(mm) | 1.5 mm |
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| Mass(Refer.)(kg) | 0.536 kg |