FOR REFERENCE ONLY
Bearing No. 30321D
Specification data (main dimensions, etc.)
| d(mm) | 105 |
|---|---|
| D(mm) | 225 |
| T(mm) | 53.5 |
| B(mm) | 49 |
| C(mm) | 36 |
| r(min.)(mm) | 4 |
| r1(min.)(mm) | 3 |
| Basic load ratings : Cr(kN) | 423 |
| Basic load ratings : C0r(kN) | 396 |
| Fatigue load limit : Cu(kN) | 50.1 |
| Limiting speeds(Grease lub.)(min-1) | 1400 |
| Limiting speeds(Oil lub.)(min-1) | 2000 |
| Load center spread : a(mm) | 69.1 |
| Constant e | 0.81 |
| Axial load factors : Y1 | 0.74 |
| Axial load factors : Y0 | 0.41 |
Mounting dimensions,weight (reference)
| da(min.)(mm) | 123 mm |
|---|---|
| db(max.)(mm) | 127 mm |
| Da(max.)(mm) | 211 mm |
| da(min.)(mm) | 193 mm |
| db(min.)(mm) | 209 mm |
| Sa(min.)(mm) | 6 mm |
| Sb(min.)(mm) | 17 mm |
| ra(max.)(mm) | 3 mm |
| rb(max.)(mm) | 2.5 mm |
| Mass(Refer.)(kg) | 8.76 kg |
2026/08/01