| Name | Value |
|---|---|
| Bearing number | 728 ACD/HCP4A |
| 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 | 7.8 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 - 3.6 kN |
| Basic static load rating | C0 - 1.3 kN |
| Fatigue load limit | Pu - 0.057 kN |
| Limiting speed for grease lubrication | 75000 r/min |
| Limiting speed for oil lubrication | 120000 mm/min |
| Ball | Dw - 4.762 mm |
| Ball | z - 8 |
| Gref | 0.228 cm3 |
| Calculation factor | e - 0.68 |
| Calculation factor | Y2 - 0.87 |
| Calculation factor | Y0 - 0.38 |
| Calculation factor | X2 - 0.41 |
| Calculation factor | Y1 - 0.92 |
| Calculation factor | Y2 - 1.41 |
| Calculation factor | Y0 - 0.76 |
| Calculation factor | X2 - 0.67 |
| Preload class A | GA - 22 N |
| Preload class B | GB - 44 N |
| Preload class C | GC - 88 N |
| Preload class D | GD - 176 N |
| Calculation factor | f - 1.02 |
| Calculation factor | f1 - 0.99 |
| Calculation factor | f2A - 1 |
| Calculation factor | f2B - 1.01 |
| Calculation factor | f2C - 1.03 |
| Calculation factor | f2D - 1.06 |
| Calculation factor | fHC - 1.01 |
| Preload class A | 31 N/micron |
| Preload class B | 40 N/micron |
| Preload class C | 53 N/micron |
| Preload class D | 70 N/micron |
| Mass bearing | 0.015 kg |
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