d | 65 | mm | |
D | 90 | mm | |
B | 13 | mm | |
d1 | 72.7 | mm | |
d2 | 72.7 | mm | |
D1 | 82.3 | mm | |
r1,2 | min. | 1 | mm |
r3,4 | min. | 0.3 | mm |
a | 17 | mm |
da | min. | 69.6 | mm |
db | min. | 69.6 | mm |
Da | max. | 85.4 | mm |
Db | max. | 88 | mm |
ra | max. | 1 | mm |
rb | max. | 0.3 | mm |
dn | 74.7 | mm |
Basic dynamic load rating | C | 20.8 | kN | |
Basic static load rating | C0 | 17 | kN | |
Fatigue load limit | Pu | 0.71 | kN | |
Attainable speed for grease lubrication | 17000 | r/min | ||
Attainable speed for oil-air lubrication | 26000 | r/min | ||
Contact angle | α | 15 | ° | |
Ball diameter | Dw | 7.938 | mm | |
Number of balls | z | 26 | ||
Reference grease quantity | Gref | 2.85 | cm³ | |
Preload and stiffness (back-to-back, face-to-face) | ||||
Preload class A | GA | 80 | N | |
Static axial stiffness, preload class A | 62 | N/µm | ||
Preload class B | GB | 160 | N | |
Static axial stiffness, preload class B | 84 | N/µm | ||
Preload class C | GC | 320 | N | |
Static axial stiffness, preload class C | 115 | N/µm | ||
Preload class D | GD | 640 | N | |
Static axial stiffness, preload class D | 164 | N/µm | ||
Calculation factors | ||||
Calculation factor | f | 1.2 | ||
Calculation factor | f1 | 1 | ||
Calculation factor | f2A | 1 | ||
Calculation factor | f2B | 1.07 | ||
Calculation factor | f2C | 1.12 | ||
Calculation factor | f2D | 1.18 | ||
Calculation factor | fHC | 1.04 | ||
Calculation factor | f0 | 10.7 |
Mass bearing | 0.17 | kg |
Chúng tôi đảm bảo cung cấp hàng chính hãng SKF đầy đủ CO, CQ