FOR REFERENCE ONLY
Bearing No. 30306JR
Specification data (main dimensions, etc.)
| d(mm) | 30 |
|---|---|
| D(mm) | 72 |
| T(mm) | 20.75 |
| B(mm) | 19 |
| C(mm) | 16 |
| r(min.)(mm) | 1.5 |
| r1(min.)(mm) | 1.5 |
| Basic load ratings : Cr(kN) | 74.4 |
| Basic load ratings : C0r(kN) | 60.1 |
| Fatigue load limit : Cu(kN) | 9.00 |
| Limiting speeds(Grease lub.)(min-1) | 5800 |
| Limiting speeds(Oil lub.)(min-1) | 7700 |
| Load center spread : a(mm) | 15.7 |
| Constant e | 0.31 |
| Axial load factors : Y1 | 1.90 |
| Axial load factors : Y0 | 1.05 |
Mounting dimensions,weight (reference)
| da(min.)(mm) | 38.5 mm |
|---|---|
| db(max.)(mm) | 40 mm |
| Da(max.)(mm) | 63.5 mm |
| da(min.)(mm) | 62 mm |
| db(min.)(mm) | 66 mm |
| Sa(min.)(mm) | 3 mm |
| Sb(min.)(mm) | 4.5 mm |
| ra(max.)(mm) | 1.5 mm |
| rb(max.)(mm) | 1.5 mm |
| Mass(Refer.)(kg) | 0.411 kg |
2026/07/01