| Name | Value |
|---|---|
| Bearing number | 71906 CB/P4A |
| Size (mm) | 30x47x9 |
| Brand | MBY |
| Bore Diameter (mm) | 30 |
| Outer Diameter (mm) | 47 |
| Width (mm) | 9 |
| Name | Value |
|---|---|
| d | 30 mm |
| D | 47 mm |
| B | 9 mm |
| d1 | 35.95 mm |
| d2 | 35.1 mm |
| D2 | 43 mm |
| r1,2 | min. - 0.3 mm |
| r3,4 | min. - 0.15 mm |
| a | 12.2 mm |
| da | min. - 32 mm |
| db | min. - 32 mm |
| Da | max. - 45 mm |
| Db | max. - 46.2 mm |
| ra | max. - 0.3 mm |
| rb | max. - 0.15 mm |
| dn | 36.6 mm |
| Basic dynamic load rating | C - 4.9 kN |
| Basic static load rating | C0 - 3.2 kN |
| Fatigue load limit | Pu - 0.134 kN |
| Limiting speed for grease lubrication | 40000 r/min |
| Limiting speed for oil lubrication | 60000 mm/min |
| Ball | Dw - 3.969 mm |
| Ball | z - 22 |
| Gref | 0.72 cm3 |
| Calculation factor | f0 - 9.5 |
| Preload class A | GA - 16 N |
| Preload class B | GB - 32 N |
| Preload class C | GC - 96 N |
| Calculation factor | f - 1.07 |
| Calculation factor | f1 - 1 |
| Calculation factor | f2A - 1 |
| Calculation factor | f2B - 1.02 |
| Calculation factor | f2C - 1.07 |
| Calculation factor | fHC - 1 |
| Preload class A | 20 N/micron |
| Preload class B | 27 N/micron |
| Preload class C | 43 N/micron |
| Mass bearing | 0.047 kg |
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