FOR REFERENCE ONLY
Bearing No. 30312CR
Specification data (main dimensions, etc.)
| d(mm) | 60 |
|---|---|
| D(mm) | 130 |
| T(mm) | 33.5 |
| B(mm) | 31 |
| C(mm) | 23 |
| r(min.)(mm) | 3 |
| r1(min.)(mm) | 2.5 |
| Basic load ratings : Cr(kN) | 211 |
| Basic load ratings : C0r(kN) | 196 |
| Fatigue load limit : Cu(kN) | 30.5 |
| Limiting speeds(Grease lub.)(min-1) | 3100 |
| Limiting speeds(Oil lub.)(min-1) | 4200 |
| Load center spread : a(mm) | 31.9 |
| Constant e | 0.55 |
| Axial load factors : Y1 | 1.10 |
| Axial load factors : Y0 | 0.60 |
Mounting dimensions,weight (reference)
| da(min.)(mm) | 74 mm |
|---|---|
| db(max.)(mm) | 75 mm |
| Da(max.)(mm) | 118 mm |
| da(min.)(mm) | 105 mm |
| db(min.)(mm) | 121 mm |
| Sa(min.)(mm) | 5 mm |
| Sb(min.)(mm) | 10.5 mm |
| ra(max.)(mm) | 2.5 mm |
| rb(max.)(mm) | 2 mm |
| Mass(Refer.)(kg) | 1.99 kg |
2026/07/28