| Name | Value |
|---|---|
| Bearing number | 7028 ACD/HCP4A |
| Size (mm) | 140x210x33 |
| Brand | MBY |
| Bore Diameter (mm) | 140 |
| Outer Diameter (mm) | 210 |
| Width (mm) | 33 |
| Name | Value |
|---|---|
| d | 140 mm |
| D | 210 mm |
| B | 33 mm |
| d1 | 161.6 mm |
| d2 | 161.6 mm |
| D1 | 188.4 mm |
| r1,2 | min. - 2 mm |
| r3,4 | min. - 1 mm |
| a | 57.5 mm |
| da | min. - 149 mm |
| db | min. - 149 mm |
| Da | max. - 201 mm |
| Db | max. - 205 mm |
| ra | max. - 2 mm |
| rb | max. - 1 mm |
| dn | 166.3 mm |
| Basic dynamic load rating | C - 146 kN |
| Basic static load rating | C0 - 156 kN |
| Fatigue load limit | Pu - 5.1 kN |
| Limiting speed for grease lubrication | 7000 r/min |
| Limiting speed for oil lubrication | 11000 mm/min |
| Ball | Dw - 22.225 mm |
| Ball | z - 22 |
| Gref | 45 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 - 900 N |
| Preload class B | GB - 1800 N |
| Preload class C | GC - 3600 N |
| Preload class D | GD - 7200 N |
| Calculation factor | f - 1.16 |
| Calculation factor | f1 - 0.99 |
| Calculation factor | f2A - 1 |
| Calculation factor | f2B - 1.02 |
| Calculation factor | f2C - 1.05 |
| Calculation factor | f2D - 1.08 |
| Calculation factor | fHC - 1.02 |
| Preload class A | 404 N/micron |
| Preload class B | 530 N/micron |
| Preload class C | 702 N/micron |
| Preload class D | 950 N/micron |
| Mass bearing | 2.827 kg |
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