FOR REFERENCE ONLY
Bearing No. 30318R
Specification data (main dimensions, etc.)
| d(mm) | 90 |
|---|---|
| D(mm) | 190 |
| T(mm) | 46.5 |
| B(mm) | 43 |
| C(mm) | 36 |
| r(min.)(mm) | 4 |
| r1(min.)(mm) | 3 |
| Basic load ratings : Cr(kN) | 421 |
| Basic load ratings : C0r(kN) | 407 |
| Fatigue load limit : Cu(kN) | 55.5 |
| Limiting speeds(Grease lub.)(min-1) | 2100 |
| Limiting speeds(Oil lub.)(min-1) | 2700 |
| Load center spread : a(mm) | 37.2 |
| Constant e | 0.35 |
| Axial load factors : Y1 | 1.73 |
| Axial load factors : Y0 | 0.95 |
Mounting dimensions,weight (reference)
| da(min.)(mm) | 108 mm |
|---|---|
| db(max.)(mm) | 113 mm |
| Da(max.)(mm) | 176 mm |
| da(min.)(mm) | 165 mm |
| db(min.)(mm) | 177 mm |
| Sa(min.)(mm) | 5 mm |
| Sb(min.)(mm) | 10.5 mm |
| ra(max.)(mm) | 3 mm |
| rb(max.)(mm) | 2.5 mm |
| Mass(Refer.)(kg) | 5.78 kg |
2026/08/09