- Tapered roller bearings
- Single-row
- Metric series
Bearing No. 30313JR
Specification data (main dimensions, etc.)
| d(mm) | 65 |
|---|
| D(mm) | 140 |
|---|
| T(mm) | 36 |
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| B(mm) | 33 |
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| C(mm) | 28 |
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| r(min.)(mm) | 3 |
|---|
| r1(min.)(mm) | 2.5 |
|---|
| Basic load ratings : Cr(kN) | 255 |
|---|
| Basic load ratings : C0r(kN) | 239 |
|---|
| Fatigue load limit : Cu(kN) | 37.6 |
|---|
| Limiting speeds(Grease lub.)(min-1) | 2800 |
|---|
| Limiting speeds(Oil lub.)(min-1) | 3800 |
|---|
| Load center spread : a(mm) | 29.3 |
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| Constant e | 0.35 |
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| Axial load factors : Y1 | 1.74 |
|---|
| Axial load factors : Y0 | 0.96 |
Mounting dimensions,weight (reference)
| da(min.)(mm) | 79 mm |
|---|
| db(max.)(mm) | 83 mm |
|---|
| Da(max.)(mm) | 128 mm |
|---|
| da(min.)(mm) | 122 mm |
|---|
| db(min.)(mm) | 130 mm |
|---|
| Sa(min.)(mm) | 4 mm |
|---|
| Sb(min.)(mm) | 8 mm |
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| ra(max.)(mm) | 2.5 mm |
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| rb(max.)(mm) | 2 mm |
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| Mass(Refer.)(kg) | 2.56 kg |