- Tapered roller bearings
- Single-row
- Metric series
Bearing No. 30215CR
Specification data (main dimensions, etc.)
| d(mm) | 75 |
|---|
| D(mm) | 130 |
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| T(mm) | 27.25 |
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| B(mm) | 25 |
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| C(mm) | 20 |
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| r(min.)(mm) | 2 |
|---|
| r1(min.)(mm) | 1.5 |
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| Basic load ratings : Cr(kN) | 171 |
|---|
| Basic load ratings : C0r(kN) | 178 |
|---|
| Fatigue load limit : Cu(kN) | 27.4 |
|---|
| Limiting speeds(Grease lub.)(min-1) | 2900 |
|---|
| Limiting speeds(Oil lub.)(min-1) | 3800 |
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| Load center spread : a(mm) | 31.0 |
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| Constant e | 0.55 |
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| Axial load factors : Y1 | 1.10 |
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| Axial load factors : Y0 | 0.60 |
Mounting dimensions,weight (reference)
| da(min.)(mm) | 85 mm |
|---|
| db(max.)(mm) | 87 mm |
|---|
| Da(max.)(mm) | 121.5 mm |
|---|
| da(min.)(mm) | 111 mm |
|---|
| db(min.)(mm) | 124 mm |
|---|
| Sa(min.)(mm) | 5 mm |
|---|
| Sb(min.)(mm) | 7 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) | 1.40 kg |