FOR REFERENCE ONLY
Bearing No. 30210JR
Specification data (main dimensions, etc.)
| d(mm) | 50 |
|---|---|
| D(mm) | 90 |
| T(mm) | 21.75 |
| B(mm) | 20 |
| C(mm) | 17 |
| r(min.)(mm) | 1.5 |
| r1(min.)(mm) | 1.5 |
| Basic load ratings : Cr(kN) | 95.6 |
| Basic load ratings : C0r(kN) | 91.7 |
| Fatigue load limit : Cu(kN) | 13.8 |
| Limiting speeds(Grease lub.)(min-1) | 4300 |
| Limiting speeds(Oil lub.)(min-1) | 5700 |
| Load center spread : a(mm) | 20.1 |
| Constant e | 0.42 |
| Axial load factors : Y1 | 1.43 |
| Axial load factors : Y0 | 0.79 |
Mounting dimensions,weight (reference)
| da(min.)(mm) | 58.5 mm |
|---|---|
| db(max.)(mm) | 58 mm |
| Da(max.)(mm) | 81.5 mm |
| da(min.)(mm) | 79 mm |
| db(min.)(mm) | 85 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) | 0.566 kg |
2026/07/04