FOR REFERENCE ONLY
Bearing No. 21306RZ
Specification data (main dimensions, etc.)
| d(mm) | 30 |
|---|---|
| D(mm) | 72 |
| B(mm) | 19 |
| r(min.)(mm) | 1.1 |
| Basic load ratings : Cr(kN) | 74.2 |
| Basic load ratings : C0r(kN) | 62.7 |
| Fatigue load limit : Cu(kN) | 4.80 |
| Limiting speeds(Grease lub.)(min-1) | 7200 |
| Limiting speeds(Oil lub.)(min-1) | 9600 |
| Constant e | 0.27 |
| Axial load factors : Y1 | 2.49 |
| Axial load factors : Y2 | 3.71 |
| Axial load factors : Y0 | 2.43 |
Mounting dimensions,weight (reference)
| da(min.)(mm) | 37 mm |
|---|---|
| Da(max.)(mm) | 65 mm |
| ra(max.)(mm) | 1 mm |
| Mass(Refer.)(kg) | 0.430 kg |
2026/07/07