| Name | Value |
|---|---|
| Bearing number | 71944 CD/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 | 54 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 - 221 kN |
| Basic static load rating | C0 - 300 kN |
| Fatigue load limit | Pu - 7.8 kN |
| Limiting speed for grease lubrication | 5300 r/min |
| Limiting speed for oil lubrication | 7500 mm/min |
| Ball | Dw - 25.4 mm |
| Ball | z - 29 |
| Gref | 84 cm3 |
| Calculation factor | f0 - 16.5 |
| Preload class A | GA - 850 N |
| Preload class B | GB - 1700 N |
| Preload class C | GC - 3400 N |
| Preload class D | GD - 6800 N |
| Calculation factor | f - 1.28 |
| Calculation factor | f1 - 1 |
| Calculation factor | f2A - 1 |
| Calculation factor | f2B - 1.07 |
| Calculation factor | f2C - 1.12 |
| Calculation factor | f2D - 1.18 |
| Calculation factor | fHC - 1.04 |
| Preload class A | 248 N/micron |
| Preload class B | 340 N/micron |
| Preload class C | 481 N/micron |
| Preload class D | 705 N/micron |
| Mass bearing | 5.557 kg |
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