- Tapered roller bearings
- Single-row
- Inch series
Bearing No. 641/633
Specification data (main dimensions, etc.)
| d(mm) | 66.675 |
|---|
| D(mm) | 130.175 |
|---|
| T(mm) | 41.275 |
|---|
| B(mm) | 41.275 |
|---|
| C(mm) | 31.750 |
|---|
| r(min.)(mm) | 3.6 |
|---|
| r1(min.)(mm) | 3.2 |
|---|
| Basic load ratings : Cr(kN) | 246 |
|---|
| Basic load ratings : C0r(kN) | 267 |
|---|
| Fatigue load limit : Cu(kN) | 41.8 |
|---|
| Limiting speeds(Grease lub.)(min-1) | 3000 |
|---|
| Limiting speeds(Oil lub.)(min-1) | 3900 |
|---|
| Load center spread : a(mm) | 30.3 |
|---|
| Constant :e | 0.36 |
|---|
| Axial load factors : Y1 | 1.66 |
|---|
| Axial load factors : Y0 | 0.91 |
Mounting dimensions,weight (reference)
| da(mm) | 83.0 mm |
|---|
| db(mm) | 77.0 mm |
|---|
| Da(mm) | 116.0 mm |
|---|
| Db(mm) | 124.0 mm |
|---|
| ra(max.)(mm) | 3.6 mm |
|---|
| rb(max.)(mm) | 3.2 mm |
|---|
| Mass(Refer.)(kg) | 2.383 kg |