| Name | Value |
|---|---|
| Bearing number | 71906 CD/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 | 35.6 mm |
| d2 | 35.6 mm |
| D1 | 41.4 mm |
| r1,2 | min. - 0.3 mm |
| r3,4 | min. - 0.2 mm |
| a | 9.7 mm |
| da | min. - 32 mm |
| db | min. - 32 mm |
| Da | max. - 45 mm |
| Db | max. - 45.6 mm |
| ra | max. - 0.3 mm |
| rb | max. - 0.2 mm |
| dn | 36.8 mm |
| Basic dynamic load rating | C - 7.2 kN |
| Basic static load rating | C0 - 4.6 kN |
| Fatigue load limit | Pu - 0.193 kN |
| Limiting speed for grease lubrication | 30000 r/min |
| Limiting speed for oil lubrication | 45000 mm/min |
| Ball | Dw - 4.762 mm |
| Ball | z - 20 |
| Gref | 0.63 cm3 |
| Calculation factor | f0 - 10.4 |
| Preload class A | GA - 25 N |
| Preload class B | GB - 50 N |
| Preload class C | GC - 100 N |
| Preload class D | GD - 200 N |
| Calculation factor | f - 1.08 |
| Calculation factor | f1 - 1 |
| Calculation factor | f2A - 1 |
| Calculation factor | f2B - 1.04 |
| Calculation factor | f2C - 1.09 |
| Calculation factor | f2D - 1.15 |
| Calculation factor | fHC - 1 |
| Preload class A | 26 N/micron |
| Preload class B | 35 N/micron |
| Preload class C | 47 N/micron |
| Preload class D | 67 N/micron |
| Mass bearing | 0.048 kg |
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