FOR REFERENCE ONLY
Bearing No. 21311RZ
Specification data (main dimensions, etc.)
| d(mm) | 55 |
|---|---|
| D(mm) | 120 |
| B(mm) | 29 |
| r(min.)(mm) | 2 |
| Basic load ratings : Cr(kN) | 180 |
| Basic load ratings : C0r(kN) | 165 |
| Fatigue load limit : Cu(kN) | 13.0 |
| Limiting speeds(Grease lub.)(min-1) | 4100 |
| Limiting speeds(Oil lub.)(min-1) | 5600 |
| Constant e | 0.25 |
| Axial load factors : Y1 | 2.71 |
| Axial load factors : Y2 | 4.03 |
| Axial load factors : Y0 | 2.65 |
Mounting dimensions,weight (reference)
| da(min.)(mm) | 65 mm |
|---|---|
| Da(max.)(mm) | 110 mm |
| ra(max.)(mm) | 2 mm |
| Mass(Refer.)(kg) | 1.69 kg |
2026/07/01