- Tapered roller bearings
- Single-row
- Inch series
Bearing No. JM612949/10
Specification data (main dimensions, etc.)
| d(mm) | 70.000 |
|---|
| D(mm) | 115.000 |
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| T(mm) | 29.000 |
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| B(mm) | 29.000 |
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| C(mm) | 23.000 |
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| r(min.)(mm) | 3.0 |
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| r1(min.)(mm) | 2.5 |
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| Basic load ratings : Cr(kN) | 155 |
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| Basic load ratings : C0r(kN) | 173 |
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| Fatigue load limit : Cu(kN) | 26.6 |
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| Limiting speeds(Grease lub.)(min-1) | 3200 |
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| Limiting speeds(Oil lub.)(min-1) | 4300 |
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| Load center spread : a(mm) | 26.2 |
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| Constant :e | 0.43 |
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| Axial load factors : Y1 | 1.39 |
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| Axial load factors : Y0 | 0.77 |
Mounting dimensions,weight (reference)
| da(mm) | 83.0 mm |
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| db(mm) | 77.0 mm |
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| Da(mm) | 103.0 mm |
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| Db(mm) | 110.0 mm |
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| ra(max.)(mm) | 3.0 mm |
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| rb(max.)(mm) | 2.5 mm |
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| Mass(Refer.)(kg) | 1.134 kg |