FOR REFERENCE ONLY
Bearing No. 30211JR
Specification data (main dimensions, etc.)
| d(mm) | 55 |
|---|---|
| D(mm) | 100 |
| T(mm) | 22.75 |
| B(mm) | 21 |
| C(mm) | 18 |
| r(min.)(mm) | 2 |
| r1(min.)(mm) | 1.5 |
| Basic load ratings : Cr(kN) | 118 |
| Basic load ratings : C0r(kN) | 113 |
| Fatigue load limit : Cu(kN) | 17.3 |
| Limiting speeds(Grease lub.)(min-1) | 3900 |
| Limiting speeds(Oil lub.)(min-1) | 5200 |
| Load center spread : a(mm) | 20.7 |
| Constant e | 0.40 |
| Axial load factors : Y1 | 1.48 |
| Axial load factors : Y0 | 0.81 |
Mounting dimensions,weight (reference)
| da(min.)(mm) | 65 mm |
|---|---|
| db(max.)(mm) | 64 mm |
| Da(max.)(mm) | 90 mm |
| da(min.)(mm) | 88 mm |
| db(min.)(mm) | 94 mm |
| Sa(min.)(mm) | 4 mm |
| Sb(min.)(mm) | 4.5 mm |
| ra(max.)(mm) | 2 mm |
| rb(max.)(mm) | 1.5 mm |
| Mass(Refer.)(kg) | 0.732 kg |
2026/07/28