FOR REFERENCE ONLY
Bearing No. 1280/20
Specification data (main dimensions, etc.)
| d(mm) | 22.225 |
|---|---|
| D(mm) | 57.150 |
| T(mm) | 22.225 |
| B(mm) | 22.225 |
| C(mm) | 17.462 |
| r(min.)(mm) | 0.8 |
| r1(min.)(mm) | 1.6 |
| Basic load ratings : Cr(kN) | 65.8 |
| Basic load ratings : C0r(kN) | 55.7 |
| Fatigue load limit : Cu(kN) | 8.05 |
| Limiting speeds(Grease lub.)(min-1) | 7600 |
| Limiting speeds(Oil lub.)(min-1) | 10000 |
| Load center spread : a(mm) | 15.3 |
| Constant :e | 0.35 |
| Axial load factors : Y1 | 1.73 |
| Axial load factors : Y0 | 0.95 |
Mounting dimensions,weight (reference)
| da(mm) | 29.5 mm |
|---|---|
| db(mm) | 29.0 mm |
| Da(mm) | 49.0 mm |
| Db(mm) | 52.0 mm |
| ra(max.)(mm) | 0.8 mm |
| rb(max.)(mm) | 1.6 mm |
| Mass(Refer.)(kg) | 0.294 kg |
2026/07/07