FOR REFERENCE ONLY
>
Bearing No. 303/28R
Specifications
(Boundary dimensions ...etc)
| d(mm) | 28 |
|---|---|
| D(mm) | 68 |
| T(mm) | 19.75 |
| B(mm) | 18 |
| C(mm) | 16 |
| r(min.)(mm) | 1.5 |
| r1(min.)(mm) | 1.5 |
| Basic load ratings : Cr(kN) | 66.9 |
| Basic load ratings : C0r(kN) | 54.0 |
| Fatigue load limit : Cu(kN) | 8.00 |
| Limiting speeds(Grease lub.)(min-1) | 6100 |
| Limiting speeds(Oil lub.)(min-1) | 8200 |
| Load center spread : a(mm) | 14.9 |
| Constant e() | 0.32 |
| Axial load factors : Y1() | 1.88 |
| Axial load factors : Y0() | 1.04 |
Mounting dimensions
| da(min.)(mm) | 36.5 |
|---|---|
| db(max.)(mm) | 38 |
| Da(max.)(mm) | 59.5 |
| Da(min.)(mm) | 58 |
| Db(min.)(mm) | 63 |
| Sa(min.)(mm) | 2 |
| Sb(min.)(mm) | 3.5 |
| ra(max.)(mm) | 1.5 |
| rb(max.)(mm) | 1.5 |
Refer.
| (Refer.)Mass(kg) | 0.345 |
|---|
2025/06/01