FOR REFERENCE ONLY
Bearing No. 31324JR
Specification data (main dimensions, etc.)
| d(mm) | 120 |
|---|---|
| D(mm) | 260 |
| T(mm) | 68 |
| B(mm) | 62 |
| C(mm) | 42 |
| r(min.)(mm) | 4 |
| r1(min.)(mm) | 3 |
| Basic load ratings : Cr(kN) | 657 |
| Basic load ratings : C0r(kN) | 665 |
| Fatigue load limit : Cu(kN) | 77.8 |
| Limiting speeds(Grease lub.)(min-1) | 1300 |
| Limiting speeds(Oil lub.)(min-1) | 1800 |
| Load center spread : a(mm) | 81.9 |
| Constant e | 0.83 |
| Axial load factors : Y1 | 0.73 |
| Axial load factors : Y0 | 0.40 |
Mounting dimensions,weight (reference)
| da(min.)(mm) | 138 mm |
|---|---|
| db(max.)(mm) | 145 mm |
| Da(max.)(mm) | 246 mm |
| da(min.)(mm) | 221 mm |
| db(min.)(mm) | 244 mm |
| Sa(min.)(mm) | 6 mm |
| Sb(min.)(mm) | 21 mm |
| ra(max.)(mm) | 3 mm |
| rb(max.)(mm) | 2.5 mm |
| Mass(Refer.)(kg) | 15.4 kg |
2026/08/07