| Name | Value |
|---|---|
| Bearing number | 71964 ACDMA/HCP4A |
| Size (mm) | 320x440x56 |
| Brand | MBY |
| Bore Diameter (mm) | 320 |
| Outer Diameter (mm) | 440 |
| Width (mm) | 56 |
| Name | Value |
|---|---|
| d | 320 mm |
| D | 440 mm |
| B | 56 mm |
| d1 | 357 mm |
| d2 | 357 mm |
| D1 | 403 mm |
| r1,2 | min. - 3 mm |
| r3,4 | min. - 1.1 mm |
| a | 116.9 mm |
| da | min. - 333 mm |
| db | min. - 333 mm |
| Da | max. - 425 mm |
| Db | max. - 434 mm |
| ra | max. - 2.5 mm |
| rb | max. - 1 mm |
| dn | 367 mm |
| Basic dynamic load rating | C - 351 kN |
| Basic static load rating | C0 - 585 kN |
| Fatigue load limit | Pu - 12.9 kN |
| Limiting speed for grease lubrication | 2600 r/min |
| Limiting speed for oil lubrication | 4000 mm/min |
| Ball | Dw - 38.1 mm |
| Ball | z - 27 |
| Gref | 282 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 - 2200 N |
| Preload class B | GB - 4400 N |
| Preload class C | GC - 8800 N |
| Preload class D | GD - 17600 N |
| Calculation factor | f - 1.24 |
| 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 | 758 N/micron |
| Preload class B | 991 N/micron |
| Preload class C | 1313 N/micron |
| Preload class D | 1774 N/micron |
| Mass bearing | 20.506 kg |
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