FOR REFERENCE ONLY
Bearing No. 33018JR
Specification data (main dimensions, etc.)
| d(mm) | 90 |
|---|---|
| D(mm) | 140 |
| T(mm) | 39 |
| B(mm) | 39 |
| C(mm) | 32.5 |
| r(min.)(mm) | 2 |
| r1(min.)(mm) | 1.5 |
| Basic load ratings : Cr(kN) | 278 |
| Basic load ratings : C0r(kN) | 367 |
| Fatigue load limit : Cu(kN) | 55.6 |
| Limiting speeds(Grease lub.)(min-1) | 2600 |
| Limiting speeds(Oil lub.)(min-1) | 3400 |
| Load center spread : a(mm) | 27.1 |
| Constant e | 0.27 |
| Axial load factors : Y1 | 2.23 |
| Axial load factors : Y0 | 1.23 |
Mounting dimensions,weight (reference)
| da(min.)(mm) | 100 mm |
|---|---|
| db(max.)(mm) | 100 mm |
| Da(max.)(mm) | 131.5 mm |
| da(min.)(mm) | 127 mm |
| db(min.)(mm) | 135 mm |
| Sa(min.)(mm) | 7 mm |
| Sb(min.)(mm) | 6.5 mm |
| ra(max.)(mm) | 2 mm |
| rb(max.)(mm) | 1.5 mm |
| Mass(Refer.)(kg) | 2.22 kg |
2026/07/01