FOR REFERENCE ONLY
>
Bearing No. 557S/552A
Specifications
(Boundary dimensions ...etc)
| d(mm) | 53.975 |
|---|---|
| D(mm) | 123.825 |
| T(mm) | 38.100 |
| B(mm) | 36.678 |
| C(mm) | 30.162 |
| r(min.)(mm) | 3.6 |
| r1(min.)(mm) | 3.2 |
| Basic load ratings : Cr(kN) | 202 |
| Basic load ratings : C0r(kN) | 223 |
| Fatigue load limit : Cu(kN) | 34.8 |
| Limiting speeds(Grease lub.)(min-1) | 3200 |
| Limiting speeds(Oil lub.)(min-1) | 4200 |
| Load center spread : a(mm) | 28.7 |
| Constant :e() | 0.35 |
| Axial load factors : Y1() | 1.73 |
| Axial load factors : Y0() | 0.95 |
Mounting dimensions
| da(mm) | 71.0 |
|---|---|
| db(mm) | 65.0 |
| Da(mm) | 109.0 |
| Db(mm) | 116.0 |
| ra(max.)(mm) | 3.6 |
| rb(max.)(mm) | 3.2 |
Refer.
| (Refer.)Mass(kg) | 2.226 |
|---|
2025/06/01