FOR REFERENCE ONLY
>
Bearing No. 2688/31
Specifications
(Boundary dimensions ...etc)
| d(mm) | 26.988 |
|---|---|
| D(mm) | 66.421 |
| T(mm) | 23.812 |
| B(mm) | 25.433 |
| C(mm) | 19.050 |
| r(min.)(mm) | 1.6 |
| r1(min.)(mm) | 1.2 |
| Basic load ratings : Cr(kN) | 83.8 |
| Basic load ratings : C0r(kN) | 75.2 |
| Fatigue load limit : Cu(kN) | 11.2 |
| Limiting speeds(Grease lub.)(min-1) | 6500 |
| Limiting speeds(Oil lub.)(min-1) | 8700 |
| Load center spread : a(mm) | 13.9 |
| Constant :e() | 0.25 |
| Axial load factors : Y1() | 2.36 |
| Axial load factors : Y0() | 1.30 |
Mounting dimensions
| da(mm) | 35.0 |
|---|---|
| db(mm) | 33.0 |
| Da(mm) | 58.0 |
| Db(mm) | 60.0 |
| ra(max.)(mm) | 1.6 |
| rb(max.)(mm) | 1.2 |
Refer.
| (Refer.)Mass(kg) | 0.425 |
|---|
2025/06/01