FOR REFERENCE ONLY
Bearing No. 7228BDB FY
Specification data (main dimensions, etc.)
| d(mm) | 140 |
|---|---|
| D(mm) | 250 |
| B(mm) | 84 |
| r(min.)(mm) | 3 |
| r1(min.)(mm) | 1.1 |
| Basic load ratings : Cr(kN) | 401 |
| Basic load ratings : C0r(kN) | 426 |
| Fatigue load limit : Cu(kN) | 15.7 |
| factor : f0 | - |
| Limiting speeds(Grease lub.)(min-1) | 1700 |
| Limiting speeds(Oil lub.)(min-1) | 2300 |
| Load center spread : a(mm) | 205.6 |
Mounting dimensions,weight (reference)
| da(min.)(mm) | 154 mm |
|---|---|
| Db(max.)(mm) | 243 mm |
| ra(max.)(mm) | 2.5 mm |
| rb(max.)(mm) | 1 mm |
| Mass(Refer.)(kg) | 15.5 kg |
2026/07/22