FOR REFERENCE ONLY
Bearing No. 30305JR
Specification data (main dimensions, etc.)
| d(mm) | 25 |
|---|---|
| D(mm) | 62 |
| T(mm) | 18.25 |
| B(mm) | 17 |
| C(mm) | 15 |
| r(min.)(mm) | 1.5 |
| r1(min.)(mm) | 1.5 |
| Basic load ratings : Cr(kN) | 60.3 |
| Basic load ratings : C0r(kN) | 46.9 |
| Fatigue load limit : Cu(kN) | 6.90 |
| Limiting speeds(Grease lub.)(min-1) | 6800 |
| Limiting speeds(Oil lub.)(min-1) | 9000 |
| Load center spread : a(mm) | 12.9 |
| Constant e | 0.30 |
| Axial load factors : Y1 | 2.00 |
| Axial load factors : Y0 | 1.10 |
Mounting dimensions,weight (reference)
| da(min.)(mm) | 33.5 mm |
|---|---|
| db(max.)(mm) | 34 mm |
| Da(max.)(mm) | 54 mm |
| da(min.)(mm) | 54 mm |
| db(min.)(mm) | 57 mm |
| Sa(min.)(mm) | 2 mm |
| Sb(min.)(mm) | 3 mm |
| ra(max.)(mm) | 1.5 mm |
| rb(max.)(mm) | 1.5 mm |
| Mass(Refer.)(kg) | 0.273 kg |
2026/07/18