FOR REFERENCE ONLY
Bearing No. 12580/20
Specification data (main dimensions, etc.)
| d(mm) | 20.638 |
|---|---|
| D(mm) | 49.225 |
| T(mm) | 19.845 |
| B(mm) | 19.845 |
| C(mm) | 15.875 |
| r(min.)(mm) | 1.6 |
| r1(min.)(mm) | 1.6 |
| Basic load ratings : Cr(kN) | 45.5 |
| Basic load ratings : C0r(kN) | 37.7 |
| Fatigue load limit : Cu(kN) | 5.35 |
| Limiting speeds(Grease lub.)(min-1) | 8600 |
| Limiting speeds(Oil lub.)(min-1) | 12000 |
| Load center spread : a(mm) | 12.7 |
| Constant :e | 0.32 |
| Axial load factors : Y1 | 1.86 |
| Axial load factors : Y0 | 1.02 |
Mounting dimensions,weight (reference)
| da(mm) | 28.5 mm |
|---|---|
| db(mm) | 26.0 mm |
| Da(mm) | 42.5 mm |
| Db(mm) | 45.5 mm |
| ra(max.)(mm) | 1.6 mm |
| rb(max.)(mm) | 1.6 mm |
| Mass(Refer.)(kg) | 0.183 kg |
2026/07/19