FOR REFERENCE ONLY
>
Bearing No. 581R/572
Specifications
(Boundary dimensions ...etc)
| d(mm) | 80.962 |
|---|---|
| D(mm) | 139.992 |
| T(mm) | 36.512 |
| B(mm) | 36.098 |
| C(mm) | 28.575 |
| r(min.)(mm) | 3.6 |
| r1(min.)(mm) | 3.2 |
| Basic load ratings : Cr(kN) | 220 |
| Basic load ratings : C0r(kN) | 262 |
| Fatigue load limit : Cu(kN) | 39.8 |
| Limiting speeds(Grease lub.)(min-1) | 2700 |
| Limiting speeds(Oil lub.)(min-1) | 3600 |
| Load center spread : a(mm) | 31.0 |
| Constant :e() | 0.40 |
| Axial load factors : Y1() | 1.49 |
| Axial load factors : Y0() | 0.82 |
Mounting dimensions
| da(mm) | 96.0 |
|---|---|
| db(mm) | 90.0 |
| Da(mm) | 125.0 |
| Db(mm) | 133.0 |
| ra(max.)(mm) | 3.6 |
| rb(max.)(mm) | 3.2 |
Refer.
| (Refer.)Mass(kg) | 2.249 |
|---|
2025/10/31