d | 55 | mm | |
D | 72 | mm | |
B | 9 | mm | |
d1 | 60.7 | mm | |
d2 | 60.7 | mm | |
D1 | 66.5 | mm | |
r1,2 | min. | 0.3 | mm |
r3,4 | min. | 0.15 | mm |
a | 19.3 | mm |
da | min. | 57 | mm |
db | min. | 57 | mm |
Da | max. | 70 | mm |
Db | max. | 71.2 | mm |
ra | max. | 0.3 | mm |
rb | max. | 0.15 | mm |
dn | 61.3 | mm |
Basic dynamic load rating | C | 9.56 | kN | |
Basic static load rating | C0 | 10.2 | kN | |
Fatigue load limit | Pu | 0.43 | kN | |
Attainable speed for grease lubrication | 19000 | r/min | ||
Attainable speed for oil-air lubrication | 30000 | r/min | ||
Contact angle | α | 25 | ° | |
Ball diameter | Dw | 4.762 | mm | |
Number of balls | z | 29 | ||
Reference grease quantity | Gref | 0.88 | cm³ | |
Preload and stiffness (back-to-back, face-to-face) | ||||
Preload class A | GA | 87 | N | |
Static axial stiffness, preload class A | 138 | N/µm | ||
Preload class B | GB | 260 | N | |
Static axial stiffness, preload class B | 217 | N/µm | ||
Preload class C | GC | 520 | N | |
Static axial stiffness, preload class C | 298 | N/µm | ||
Calculation factors | ||||
Calculation factor | f | 1.27 | ||
Calculation factor | f1 | 0.97 | ||
Calculation factor | f2A | 1 | ||
Calculation factor | f2B | 1.09 | ||
Calculation factor | f2C | 1.17 | ||
Calculation factor | fHC | 1.02 | ||
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 | 0.073 | kg |
Chúng tôi đảm bảo cung cấp hàng chính hãng SKF đầy đủ CO, CQ