d | 30 | mm | |
D | 55 | mm | |
B | 13 | mm | |
d1 | 39.45 | mm | |
d2 | 38.3 | mm | |
D2 | 47.25 | mm | |
r1,2 | min. | 1 | mm |
da | min. | 34.6 | mm |
db | min. | 34.6 | mm |
Da | max. | 50.4 | mm |
Db | max. | 51.8 | mm |
ra | max. | 1 | mm |
Basic dynamic load rating | C | 6.18 | kN |
Basic static load rating | C0 | 3.9 | kN |
Fatigue load limit | Pu | 0.166 | kN |
Attainable speed for grease lubrication | 34000 | r/min | |
Attainable speed for oil-air lubrication | 50000 | r/min | |
Ball diameter | Dw | 4.762 | mm |
Number of balls | z | 20 | |
Reference grease quantity | Gref | 1.4 | cm³ |
Preload and stiffness (back-to-back, face-to-face) | 0 | ||
Preload class A | GA | 36 | N |
Static axial stiffness, preload class A | 58 | N/µm | |
Preload class B | GB | 72 | N |
Static axial stiffness, preload class B | 74 | N/µm | |
Preload class C | GC | 215 | N |
Static axial stiffness, preload class C | 111 | N/µm | |
Calculation factors | 0 | ||
Calculation factor | f | 1.03 | |
Calculation factor | f1 | 0.99 | |
Calculation factor | f2A | 1 | |
Calculation factor | f2B | 1.01 | |
Calculation factor | f2C | 1.04 | |
Calculation factor | fHC | 1 | |
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 | |
Mass bearing | 0.13 | kg |