FOR REFERENCE ONLY
Bearing No. 30308JR
Specification data (main dimensions, etc.)
| d(mm) | 40 |
|---|---|
| D(mm) | 90 |
| T(mm) | 25.25 |
| B(mm) | 23 |
| C(mm) | 20 |
| r(min.)(mm) | 2 |
| r1(min.)(mm) | 1.5 |
| Basic load ratings : Cr(kN) | 113 |
| Basic load ratings : C0r(kN) | 101 |
| Fatigue load limit : Cu(kN) | 15.5 |
| Limiting speeds(Grease lub.)(min-1) | 4500 |
| Limiting speeds(Oil lub.)(min-1) | 6100 |
| Load center spread : a(mm) | 19.9 |
| Constant e | 0.35 |
| Axial load factors : Y1 | 1.74 |
| Axial load factors : Y0 | 0.96 |
Mounting dimensions,weight (reference)
| da(min.)(mm) | 50 mm |
|---|---|
| db(max.)(mm) | 52 mm |
| Da(max.)(mm) | 80 mm |
| da(min.)(mm) | 77 mm |
| db(min.)(mm) | 82 mm |
| Sa(min.)(mm) | 3 mm |
| Sb(min.)(mm) | 5 mm |
| ra(max.)(mm) | 2 mm |
| rb(max.)(mm) | 1.5 mm |
| Mass(Refer.)(kg) | 0.757 kg |
2026/07/08