FOR REFERENCE ONLY
Bearing No. 30256
Specification data (main dimensions, etc.)
| d(mm) | 280 |
|---|---|
| D(mm) | 500 |
| T(mm) | 89 |
| B(mm) | 80 |
| C(mm) | 67 |
| r(min.)(mm) | 6 |
| r1(min.)(mm) | 5 |
| Basic load ratings : Cr(kN) | 1580 |
| Basic load ratings : C0r(kN) | 1920 |
| Fatigue load limit : Cu(kN) | 196 |
| Limiting speeds(Grease lub.)(min-1) | 610 |
| Limiting speeds(Oil lub.)(min-1) | 810 |
| Load center spread : a(mm) | 96.2 |
| Constant e | 0.42 |
| Axial load factors : Y1 | 1.44 |
| Axial load factors : Y0 | 0.79 |
Mounting dimensions,weight (reference)
| da(min.)(mm) | 308 mm |
|---|---|
| db(max.)(mm) | 325 mm |
| Da(max.)(mm) | 478 mm |
| da(min.)(mm) | 440 mm |
| db(min.)(mm) | 475 mm |
| Sa(min.)(mm) | 14 mm |
| Sb(min.)(mm) | 21 mm |
| ra(max.)(mm) | 5 mm |
| rb(max.)(mm) | 4 mm |
| Mass(Refer.)(kg) | 67.6 kg |
2026/07/14