- Tapered roller bearings
- Single-row
- Inch series
Bearing No. JM738249/10
Specification data (main dimensions, etc.)
| d(mm) | 190.000 |
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| D(mm) | 260.000 |
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| T(mm) | 46.000 |
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| B(mm) | 44.000 |
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| C(mm) | 36.500 |
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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) | 461 |
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| Basic load ratings : C0r(kN) | 723 |
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| Fatigue load limit : Cu(kN) | 81.4 |
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| Limiting speeds(Grease lub.)(min-1) | 1200 |
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| Limiting speeds(Oil lub.)(min-1) | 1700 |
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| Load center spread : a(mm) | 56.0 |
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| Constant :e | 0.48 |
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| Axial load factors : Y1 | 1.26 |
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| Axial load factors : Y0 | 0.69 |
Mounting dimensions,weight (reference)
| da(mm) | 201.0 mm |
|---|
| db(mm) | 203.0 mm |
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| Da(mm) | 240.0 mm |
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| Db(mm) | 251.0 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) | 6.89 kg |