| Name | Value |
|---|---|
| Bearing number | 728 CD/P4A |
| Size (mm) | 8x24x8 |
| Brand | MBY |
| Bore Diameter (mm) | 8 |
| Outer Diameter (mm) | 24 |
| Width (mm) | 8 |
| Name | Value |
|---|---|
| d | 8 mm |
| D | 24 mm |
| B | 8 mm |
| d1 | 13.1 mm |
| d2 | 13.1 mm |
| D1 | 18.9 mm |
| r1,2 | min. - 0.3 mm |
| r3,4 | min. - 0.2 mm |
| a | 6.2 mm |
| da | min. - 10.4 mm |
| db | min. - 10.4 mm |
| Da | max. - 21.6 mm |
| Db | max. - 22.2 mm |
| ra | max. - 0.3 mm |
| rb | max. - 0.2 mm |
| dn | 14.3 mm |
| Basic dynamic load rating | C - 3.7 kN |
| Basic static load rating | C0 - 1.4 kN |
| Fatigue load limit | Pu - 0.057 kN |
| Limiting speed for grease lubrication | 70000 r/min |
| Limiting speed for oil lubrication | 110000 mm/min |
| Ball | Dw - 4.762 mm |
| Ball | z - 8 |
| Gref | 0.228 cm3 |
| Calculation factor | f0 - 7.9 |
| Preload class A | GA - 14 N |
| Preload class B | GB - 28 N |
| Preload class C | GC - 56 N |
| Preload class D | GD - 112 N |
| Calculation factor | f - 1.02 |
| Calculation factor | f1 - 1 |
| Calculation factor | f2A - 1 |
| Calculation factor | f2B - 1.01 |
| Calculation factor | f2C - 1.03 |
| Calculation factor | f2D - 1.05 |
| Calculation factor | fHC - 1 |
| Preload class A | 12 N/micron |
| Preload class B | 15 N/micron |
| Preload class C | 21 N/micron |
| Preload class D | 30 N/micron |
| Mass bearing | 0.017 kg |
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