FOR REFERENCE ONLY
Bearing No. 57008R
Specification data (main dimensions, etc.)
| d(mm) | 20 |
|---|---|
| D(mm) | 47 |
| T(mm) | 15.25 |
| B(mm) | 14 |
| C(mm) | 12 |
| r(min.)(mm) | 1 |
| r1(min.)(mm) | 1 |
| Basic load ratings : Cr(kN) | 34.2 |
| Basic load ratings : C0r(kN) | 25.5 |
| Fatigue load limit : Cu(kN) | 3.75 |
| Limiting speeds(Grease lub.)(min-1) | 9000 |
| Limiting speeds(Oil lub.)(min-1) | 12000 |
| Load center spread : a(mm) | 12.9 |
| Constant e | 0.52 |
| Axial load factors : Y1 | 1.16 |
| Axial load factors : Y0 | 0.64 |
Mounting dimensions,weight (reference)
| da(min.)(mm) | 25.5 mm |
|---|---|
| db(max.)(mm) | 26 mm |
| Da(max.)(mm) | 41.5 mm |
| da(min.)(mm) | 37 mm |
| db(min.)(mm) | 44 mm |
| Sa(min.)(mm) | 2 mm |
| Sb(min.)(mm) | 3 mm |
| ra(max.)(mm) | 1 mm |
| rb(max.)(mm) | 1 mm |
| Mass(Refer.)(kg) | 0.125 kg |
2026/07/19