FOR REFERENCE ONLY
Bearing No. 30304AC
Specification data (main dimensions, etc.)
| d(mm) | 20 |
|---|---|
| D(mm) | 52 |
| T(mm) | 16.25 |
| B(mm) | 16 |
| C(mm) | 12 |
| r(min.)(mm) | 1.5 |
| r1(min.)(mm) | 1.5 |
| Basic load ratings : Cr(kN) | 43.3 |
| Basic load ratings : C0r(kN) | 28.4 |
| Fatigue load limit : Cu(kN) | 4.65 |
| Limiting speeds(Grease lub.)(min-1) | 8300 |
| Limiting speeds(Oil lub.)(min-1) | 11000 |
| Load center spread : a(mm) | 13.5 |
| Constant e | 0.55 |
| Axial load factors : Y1 | 1.10 |
| Axial load factors : Y0 | 0.60 |
Mounting dimensions,weight (reference)
| da(min.)(mm) | 28.5 mm |
|---|---|
| db(max.)(mm) | 28 mm |
| Da(max.)(mm) | 43.5 mm |
| da(min.)(mm) | 42 mm |
| db(min.)(mm) | 49 mm |
| Sa(min.)(mm) | 4 mm |
| Sb(min.)(mm) | 4 mm |
| ra(max.)(mm) | 1.5 mm |
| rb(max.)(mm) | 1.5 mm |
| Mass(Refer.)(kg) | 0.170 kg |
2026/08/10