| Name | Value |
|---|---|
| Bearing number | 71944 ACD/HCP4A |
| Size (mm) | 220x300x38 |
| Brand | MBY |
| Bore Diameter (mm) | 220 |
| Outer Diameter (mm) | 300 |
| Width (mm) | 38 |
| Name | Value |
|---|---|
| d | 220 mm |
| D | 300 mm |
| B | 38 mm |
| d1 | 244.7 mm |
| d2 | 244.7 mm |
| D1 | 275.3 mm |
| r1,2 | min. - 2.1 mm |
| r3,4 | min. - 1 mm |
| a | 79.9 mm |
| da | min. - 231 mm |
| db | min. - 231 mm |
| Da | max. - 289 mm |
| Db | max. - 295 mm |
| ra | max. - 2 mm |
| rb | max. - 1 mm |
| dn | 251.4 mm |
| Basic dynamic load rating | C - 208 kN |
| Basic static load rating | C0 - 285 kN |
| Fatigue load limit | Pu - 7.5 kN |
| Limiting speed for grease lubrication | 4500 r/min |
| Limiting speed for oil lubrication | 6700 mm/min |
| Ball | Dw - 25.4 mm |
| Ball | z - 29 |
| Gref | 84 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 - 1300 N |
| Preload class B | GB - 2600 N |
| Preload class C | GC - 5200 N |
| Preload class D | GD - 10400 N |
| Calculation factor | f - 1.28 |
| Calculation factor | f1 - 0.98 |
| Calculation factor | f2A - 1 |
| Calculation factor | f2B - 1.07 |
| Calculation factor | f2C - 1.12 |
| Calculation factor | f2D - 1.17 |
| Calculation factor | fHC - 1.04 |
| Preload class A | 591 N/micron |
| Preload class B | 776 N/micron |
| Preload class C | 1036 N/micron |
| Preload class D | 1415 N/micron |
| Mass bearing | 5.557 kg |
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