| Name | Value |
|---|---|
| Bearing number | 71806 CD/P4 |
| Size (mm) | 30x42x7 |
| Brand | MBY |
| Bore Diameter (mm) | 30 |
| Outer Diameter (mm) | 42 |
| Width (mm) | 7 |
| Name | Value |
|---|---|
| d | 30 mm |
| D | 42 mm |
| B | 7 mm |
| d1 | 34.1 mm |
| d2 | 34.1 mm |
| D1 | 38.1 mm |
| r1,2 | min. - 0.3 mm |
| r3,4 | min. - 0.15 mm |
| a | 8.3 mm |
| da | min. - 32 mm |
| db | min. - 32 mm |
| Da | max. - 40 mm |
| Db | max. - 41.2 mm |
| ra | max. - 0.3 mm |
| rb | max. - 0.15 mm |
| dn | 34.5 mm |
| Basic dynamic load rating | C - 4.4 kN |
| Basic static load rating | C0 - 3.8 kN |
| Fatigue load limit | Pu - 0.16 kN |
| Limiting speed for grease lubrication | 32000 r/min |
| Limiting speed for oil lubrication | 50000 mm/min |
| Ball | Dw - 3.175 mm |
| Ball | z - 23 |
| Gref | 0.24 cm3 |
| Calculation factor | f0 - 16.8 |
| Preload class A | GA - 23 N |
| Preload class B | GB - 70 N |
| Preload class C | GC - 140 N |
| Calculation factor | f - 1.14 |
| Calculation factor | f1 - 1 |
| Calculation factor | f2A - 1 |
| Calculation factor | f2B - 1.09 |
| Calculation factor | f2C - 1.16 |
| Calculation factor | fHC - 1 |
| Preload class A | 29 N/micron |
| Preload class B | 49 N/micron |
| Preload class C | 72 N/micron |
| Mass bearing | 0.026 kg |
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