| Name | Value |
|---|---|
| Bearing number | W 63801-2Z |
| Size (mm) | 12x21x7 |
| Brand | MBY |
| Bore Diameter (mm) | 12 |
| Outer Diameter (mm) | 21 |
| Width (mm) | 7 |
| Name | Value |
|---|---|
| d | 12 mm |
| D | 21 mm |
| B | 7 mm |
| d2 | - 13.8 mm |
| D2 | - 19.15 mm |
| r1,2 | min. - 0.3 mm |
| da | min. - 13.5 mm |
| da | max. - 13.5 mm |
| Da | max. - 19.5 mm |
| ra | max. - 0.3 mm |
| Basic dynamic load rating | C - 1.5 kN |
| Basic static load rating | C0 - 0.9 kN |
| Fatigue load limit | Pu - 0.039 kN |
| Reference speed | 70000 r/min |
| Limiting speed | 36000 r/min |
| Calculation factor | kr - 0.02 |
| Calculation factor | f0 - 13.4 |
| Mass bearing | 0.0078 kg |
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