FOR REFERENCE ONLY
Bearing No. 33121JR
Specification data (main dimensions, etc.)
| d(mm) | 105 |
|---|---|
| D(mm) | 175 |
| T(mm) | 56 |
| B(mm) | 56 |
| C(mm) | 44 |
| r(min.)(mm) | 2.5 |
| r1(min.)(mm) | 2 |
| Basic load ratings : Cr(kN) | 453 |
| Basic load ratings : C0r(kN) | 607 |
| Fatigue load limit : Cu(kN) | 76.0 |
| Limiting speeds(Grease lub.)(min-1) | 2100 |
| Limiting speeds(Oil lub.)(min-1) | 2800 |
| Load center spread : a(mm) | 43.2 |
| Constant e | 0.40 |
| Axial load factors : Y1 | 1.48 |
| Axial load factors : Y0 | 0.82 |
Mounting dimensions,weight (reference)
| da(min.)(mm) | 117 mm |
|---|---|
| db(max.)(mm) | 116 mm |
| Da(max.)(mm) | 165 mm |
| da(min.)(mm) | 150 mm |
| db(min.)(mm) | 169 mm |
| Sa(min.)(mm) | 9 mm |
| Sb(min.)(mm) | 12 mm |
| ra(max.)(mm) | 2 mm |
| rb(max.)(mm) | 2 mm |
| Mass(Refer.)(kg) | 5.33 kg |
2026/07/29