FOR REFERENCE ONLY
Bearing No. 7311B
Specification data (main dimensions, etc.)
| d(mm) | 55 |
|---|---|
| D(mm) | 120 |
| B(mm) | 29 |
| r(min.)(mm) | 2 |
| r1(min.)(mm) | 1 |
| Basic load ratings : Cr(kN) | 98.4 |
| Basic load ratings : C0r(kN) | 56.7 |
| Fatigue load limit : Cu(kN) | 3.70 |
| factor : f0 | - |
| Limiting speeds(Grease lub.)(min-1) | 4000 |
| Limiting speeds(Oil lub.)(min-1) | 5300 |
| Load center spread : a(mm) | 51.8 |
Mounting dimensions,weight (reference)
| da(min.)(mm) | 65 mm |
|---|---|
| Da(max.)(mm) | 110 mm |
| ra(max.)(mm) | 2 mm |
| Mass(Refer.)(kg) | 1.45 kg |
2026/07/06