FOR REFERENCE ONLY
>
Bearing No. 7228 FY
Specifications
(Boundary dimensions ...etc)
| d(mm) | 140 |
|---|---|
| D(mm) | 250 |
| B(mm) | 42 |
| r(min.)(mm) | 3 |
| r1(min.)(mm) | 1.1 |
| Basic load ratings : Cr(kN) | 273 |
| Basic load ratings : C0r(kN) | 234 |
| Fatigue load limit : Cu(kN) | 8.65 |
| factor : f0() | - |
| Limiting speeds(Grease lub.)(min-1) | 2900 |
| Limiting speeds(Oil lub.)(min-1) | 3600 |
| Load center spread : a(mm) | 77.3 |
Mounting dimensions
| da(min.)(mm) | 154 |
|---|---|
| Da(max.)(mm) | 236 |
| ra(max.)(mm) | 2.5 |
Refer.
| (Refer.)Mass(kg) | 7.76 |
|---|
2025/12/05