FOR REFERENCE ONLY
>
Bearing No. 21312RZK+H312X
Specifications
(Boundary dimensions ...etc)
| d1(mm) | 55 |
|---|---|
| B1(mm) | 47 |
| d2(mm) | 80 |
| B2(mm) | 13 |
| B3(mm) | - |
| d(mm) | 60 |
| D(mm) | 130 |
| B(mm) | 31 |
| r(min.)(mm) | 2.1 |
| Basic load ratings : Cr(kN) | 210 |
| Basic load ratings : C0r(kN) | 193 |
| Limiting speeds(Grease lub.)(min-1) | 3900 |
| Limiting speeds(Oil lub.)(min-1) | 5100 |
| Constant e() | 0.24 |
| Axial load factors : Y1() | 2.78 |
| Axial load factors : Y2() | 4.14 |
| Axial load factors : Y0() | 2.72 |
Mounting dimensions
| A(min.)(mm) | 20 |
|---|---|
| K(min.)(mm) | 90 |
| de(min.)(mm) | 65 |
| b(min.)(mm) | 5 |
Refer.
| (Refer.)Mass(kg) | 2.50 |
|---|
2025/06/01