| Name | Value |
|---|---|
| Bearing number | W 639-2RZ |
| Size (mm) | 9x30x10 |
| Brand | MBY |
| Bore Diameter (mm) | 9 |
| Outer Diameter (mm) | 30 |
| Width (mm) | 10 |
| Name | Value |
|---|---|
| d | 9 mm |
| D | 30 mm |
| B | 10 mm |
| d2 | - 15.3 mm |
| D2 | - 25.28 mm |
| r1,2 | min. - 0.6 mm |
| Da | max. - 26 mm |
| ra | max. - 0.6 mm |
| Basic dynamic load rating | C - 4.4 kN |
| Basic static load rating | C0 - 2.3 kN |
| Fatigue load limit | Pu - 0.1 kN |
| Reference speed | 56000 r/min |
| Limiting speed | 28000 r/min |
| Calculation factor | kr - 0.035 |
| Calculation factor | f0 - 12.9 |
| Mass bearing | 0.0348 kg |
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