71972 ACDMA/P4A
Dimensions
|
| d | | 360 | mm |
| D | | 480 | mm |
| B | | 56 | mm |
| d1 | | 397 | mm |
| d2 | | 397 | mm |
| D1 | | 443 | mm |
| r1,2 | min. | 3 | mm |
| r3,4 | min. | 1.1 | mm |
| a | | 126.3 | mm |
Abutment dimensions
|
|
| da | min. | 373 | mm |
| db | min. | 373 | mm |
| Da | max. | 465 | mm |
| Db | max. | 474 | mm |
| ra | max. | 2.5 | mm |
| rb | max. | 1 | mm |
| dn | | 407 | mm |
Calculation data
Calculation factors for eqivalent bearing loads
| Basic dynamic load rating | C | | 371 | kN |
| Basic static load rating | C0 | | 670 | kN |
| Fatigue load limit | Pu | | 13.7 | kN |
| Attainable speed for grease lubrication | | | 1900 | r/min |
| Attainable speed for oil-air lubrication | | | 3000 | mm/min |
| Ball diameter | Dw | | 38.1 | mm |
| Number of balls | z | | 30 | |
| Reference grease quantity | Gref | | 313 | cm³ |
| Calculation factor | e | | 0.68 | |
| Calculation factor (single, tandem) | Y2 | | 0.87 | |
| Calculation factor (single, tandem) | Y0 | | 0.38 | |
| Calculation factor (single, tandem) | X2 | | 0.41 | |
| Calculation factor (back-to-back, face-to-face) | Y1 | | 0.92 | |
| Calculation factor (back-to-back, face-to-face) | Y2 | | 1.41 | |
| Calculation factor (back-to-back, face-to-face) | Y0 | | 0.76 | |
| Calculation factor (back-to-back, face-to-face) | X2 | | 0.67 | |
| Preload (back-to-back, face-to-face) |
| Preload class A | GA | | 2300 | N |
| Preload class B | GB | | 4600 | N |
| Preload class C | GC | | 9200 | N |
| Preload class D | GD | | 18400 | N |
| Calculation factor | f | | 1.29 | |
| Calculation factor | f1 | | 0.98 | |
| Calculation factor | f2A | | 1 | |
| Calculation factor | f2B | | 1.04 | |
| Calculation factor | f2C | | 1.08 | |
| Calculation factor | f2D | | 1.14 | |
| Calculation factor | fHC | | 1 | |
| Static axial stiffness |
| Preload class A | | | 754 | N/µm |
| Preload class B | | | 987 | N/µm |
| Preload class C | | | 1311 | N/µm |
| Preload class D | | | 1779 | N/µm |
Mass
