- Tapered roller bearings
- Single-row
- Inch series
Bearing No. 576R/572
Specification data (main dimensions, etc.)
| d(mm) | 73.025 |
|---|
| D(mm) | 139.992 |
|---|
| T(mm) | 36.512 |
|---|
| B(mm) | 36.098 |
|---|
| C(mm) | 28.575 |
|---|
| r(min.)(mm) | 3.6 |
|---|
| r1(min.)(mm) | 3.2 |
|---|
| Basic load ratings : Cr(kN) | 220 |
|---|
| Basic load ratings : C0r(kN) | 262 |
|---|
| Fatigue load limit : Cu(kN) | 39.8 |
|---|
| Limiting speeds(Grease lub.)(min-1) | 2700 |
|---|
| Limiting speeds(Oil lub.)(min-1) | 3600 |
|---|
| Load center spread : a(mm) | 31.0 |
|---|
| Constant :e | 0.40 |
|---|
| Axial load factors : Y1 | 1.49 |
|---|
| Axial load factors : Y0 | 0.82 |
Mounting dimensions,weight (reference)
| da(mm) | 90.0 mm |
|---|
| db(mm) | 83.0 mm |
|---|
| Da(mm) | 125.0 mm |
|---|
| Db(mm) | 133.0 mm |
|---|
| ra(max.)(mm) | 3.6 mm |
|---|
| rb(max.)(mm) | 3.2 mm |
|---|
| Mass(Refer.)(kg) | 2.519 kg |