| Name | Value |
|---|---|
| Bearing number | 71809 CD/HCP4 |
| Size (mm) | 45x58x7 |
| Brand | MBY |
| Bore Diameter (mm) | 45 |
| Outer Diameter (mm) | 58 |
| Width (mm) | 7 |
| Name | Value |
|---|---|
| d | 45 mm |
| D | 58 mm |
| B | 7 mm |
| d1 | 49.6 mm |
| d2 | 49.6 mm |
| D1 | 53.6 mm |
| r1,2 | min. - 0.3 mm |
| r3,4 | min. - 0.15 mm |
| a | 10.4 mm |
| da | min. - 47 mm |
| db | min. - 47 mm |
| Da | max. - 56 mm |
| Db | max. - 57.2 mm |
| ra | max. - 0.3 mm |
| rb | max. - 0.15 mm |
| dn | 50 mm |
| Basic dynamic load rating | C - 4.9 kN |
| Basic static load rating | C0 - 5.3 kN |
| Fatigue load limit | Pu - 0.224 kN |
| Limiting speed for grease lubrication | 26000 r/min |
| Limiting speed for oil lubrication | 40000 mm/min |
| Ball | Dw - 3.175 mm |
| Ball | z - 31 |
| Gref | 0.36 cm3 |
| Calculation factor | f0 - 17.4 |
| Preload class A | GA - 27 N |
| Preload class B | GB - 80 N |
| Preload class C | GC - 160 N |
| Calculation factor | f - 1.24 |
| 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 | 42 N/micron |
| Preload class B | 72 N/micron |
| Preload class C | 106 N/micron |
| Mass bearing | 0.037 kg |
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