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 | 13 | 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 | 10.1 | kN | |
Basic static load rating | C0 | 10.8 | kN | |
Fatigue load limit | Pu | 0.455 | kN | |
Attainable speed for grease lubrication | 22000 | r/min | ||
Attainable speed for oil-air lubrication | 32000 | r/min | ||
Contact angle | α | 15 | ° | |
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 | 55 | N | |
Static axial stiffness, preload class A | 59 | N/µm | ||
Preload class B | GB | 165 | N | |
Static axial stiffness, preload class B | 101 | N/µm | ||
Preload class C | GC | 330 | N | |
Static axial stiffness, preload class C | 150 | N/µm | ||
Calculation factors | ||||
Calculation factor | f | 1.27 | ||
Calculation factor | f1 | 1 | ||
Calculation factor | f2A | 1 | ||
Calculation factor | f2B | 1.1 | ||
Calculation factor | f2C | 1.18 | ||
Calculation factor | fHC | 1.02 | ||
Calculation factor | f0 | 17.1 |
Mass bearing | 0.073 | kg |
Chúng tôi đảm bảo cung cấp hàng chính hãng SKF đầy đủ CO, CQ