- Tapered roller bearings
- Single-row
- Metric series
Bearing No. 32909JR
Specification data (main dimensions, etc.)
| d(mm) | 45 |
|---|
| D(mm) | 68 |
|---|
| T(mm) | 15 |
|---|
| B(mm) | 15 |
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| C(mm) | 12 |
|---|
| r(min.)(mm) | 0.6 |
|---|
| r1(min.)(mm) | 0.6 |
|---|
| Basic load ratings : Cr(kN) | 43.5 |
|---|
| Basic load ratings : C0r(kN) | 52.4 |
|---|
| Fatigue load limit : Cu(kN) | 7.45 |
|---|
| Limiting speeds(Grease lub.)(min-1) | 5300 |
|---|
| Limiting speeds(Oil lub.)(min-1) | 7100 |
|---|
| Load center spread : a(mm) | 12.5 |
|---|
| Constant e | 0.32 |
|---|
| Axial load factors : Y1 | 1.88 |
|---|
| Axial load factors : Y0 | 1.04 |
Mounting dimensions,weight (reference)
| da(min.)(mm) | 49.5 mm |
|---|
| db(max.)(mm) | 50 mm |
|---|
| Da(max.)(mm) | 63.5 mm |
|---|
| da(min.)(mm) | 61 mm |
|---|
| db(min.)(mm) | 64 mm |
|---|
| Sa(min.)(mm) | 3 mm |
|---|
| Sb(min.)(mm) | 3 mm |
|---|
| ra(max.)(mm) | 0.6 mm |
|---|
| rb(max.)(mm) | 0.6 mm |
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| Mass(Refer.)(kg) | 0.190 kg |