- Tapered roller bearings
- Single-row
- Inch series
>

Bearing No. 687/672
Specifications
(Boundary dimensions ...etc)
| d(mm) | 101.600 |
|---|
| D(mm) | 168.275 |
|---|
| T(mm) | 41.275 |
|---|
| B(mm) | 41.275 |
|---|
| C(mm) | 30.162 |
|---|
| r(min.)(mm) | 3.6 |
|---|
| r1(min.)(mm) | 3.2 |
|---|
| Basic load ratings : Cr(kN) | 282 |
|---|
| Basic load ratings : C0r(kN) | 349 |
|---|
| Fatigue load limit : Cu(kN) | 50.4 |
|---|
| Limiting speeds(Grease lub.)(min-1) | 2200 |
|---|
| Limiting speeds(Oil lub.)(min-1) | 3000 |
|---|
| Load center spread : a(mm) | 38.6 |
|---|
| Constant :e() | 0.47 |
|---|
| Axial load factors : Y1() | 1.28 |
|---|
| Axial load factors : Y0() | 0.70 |
Mounting dimensions
| da(mm) | 114.0 |
|---|
| db(mm) | 115.0 |
|---|
| Da(mm) | 146.0 |
|---|
| Db(mm) | 157.0 |
|---|
| ra(max.)(mm) | 3.6 |
|---|
| rb(max.)(mm) | 3.2 |
Refer.