d | 55 | mm | |
D | 90 | mm | |
B | 18 | mm | |
d1 | 67.73 | mm | |
d2 | 65.6 | mm | |
D2 | 80.4 | mm | |
r1,2 | min. | 1.1 | mm |
r3,4 | min. | 0.6 | mm |
a | 18.8 | mm |
da | min. | 61 | mm |
da | max. | 67.1 | mm |
db | min. | 61 | mm |
db | max. | 65 | mm |
Da | max. | 84 | mm |
Db | max. | 85.8 | mm |
ra | max. | 1 | mm |
rb | max. | 0.6 | mm |
Basic dynamic load rating | C | 16.8 | kN | |
Basic static load rating | C0 | 12.2 | kN | |
Fatigue load limit | Pu | 0.52 | kN | |
Attainable speed for grease lubrication | 25000 | r/min | ||
Contact angle | α | 15 | ° | |
Ball diameter | Dw | 7.938 | mm | |
Number of balls | z | 24 | ||
Preload and stiffness (back-to-back, face-to-face) | ||||
Preload class A | GA | 90 | N | |
Static axial stiffness, preload class A | 51 | N/µm | ||
Preload class B | GB | 270 | N | |
Static axial stiffness, preload class B | 80 | N/µm | ||
Preload class C | GC | 540 | N | |
Static axial stiffness, preload class C | 108 | N/µm | ||
Calculation factors | ||||
Calculation factor | f | 1.07 | ||
Calculation factor | f1 | 1 | ||
Calculation factor | f2A | 1 | ||
Calculation factor | f2B | 1.03 | ||
Calculation factor | f2C | 1.05 | ||
Calculation factor | fHC | 1.01 | ||
Calculation factor | f0 | 8.4 |
Mass bearing | 0.37 | kg |
Chúng tôi đảm bảo cung cấp hàng chính hãng SKF đầy đủ CO, CQ