| Name | Value |
|---|---|
| Bearing number | 71811 CD/HCP4 |
| Size (mm) | 55x72x9 |
| Brand | MBY |
| Bore Diameter (mm) | 55 |
| Outer Diameter (mm) | 72 |
| Width (mm) | 9 |
| Name | Value |
|---|---|
| d | 55 mm |
| D | 72 mm |
| B | 9 mm |
| d1 | 60.7 mm |
| d2 | 60.7 mm |
| D1 | 66.5 mm |
| r1,2 | min. - 0.3 mm |
| r3,4 | min. - 0.15 mm |
| a | 13 mm |
| da | min. - 57 mm |
| db | min. - 57 mm |
| Da | max. - 70 mm |
| Db | max. - 71.2 mm |
| ra | max. - 0.3 mm |
| rb | max. - 0.15 mm |
| dn | 61.3 mm |
| Basic dynamic load rating | C - 10.1 kN |
| Basic static load rating | C0 - 10.8 kN |
| Fatigue load limit | Pu - 0.455 kN |
| Limiting speed for grease lubrication | 22000 r/min |
| Limiting speed for oil lubrication | 32000 mm/min |
| Ball | Dw - 4.762 mm |
| Ball | z - 29 |
| Gref | 0.88 cm3 |
| Calculation factor | f0 - 17.1 |
| Preload class A | GA - 55 N |
| Preload class B | GB - 165 N |
| Preload class C | GC - 330 N |
| Calculation factor | f - 1.27 |
| Calculation factor | f1 - 1 |
| Calculation factor | f2A - 1 |
| Calculation factor | f2B - 1.1 |
| Calculation factor | f2C - 1.18 |
| Calculation factor | fHC - 1.02 |
| Preload class A | 59 N/micron |
| Preload class B | 101 N/micron |
| Preload class C | 150 N/micron |
| Mass bearing | 0.073 kg |
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