d | 65 | mm | |
D | 90 | mm | |
B | 13 | mm | |
d1 | 72.75 | mm | |
d2 | 70.7 | mm | |
D1 | 82.32 | mm | |
K | 0.5 | mm | |
C1 | 3.83 | mm | |
r1,2 | min. | 1 | mm |
r3,4 | min. | 0.3 | mm |
a | 17.5 | mm |
da | min. | 69.6 | mm |
db | min. | 67 | mm |
Da | max. | 85.4 | mm |
Db | max. | 88 | mm |
ra | max. | 1 | mm |
rb | max. | 0.3 | mm |
dn | 74.5 | mm |
Basic dynamic load rating | C | 16.5 | kN | |
Basic static load rating | C0 | 12.5 | kN | |
Fatigue load limit | Pu | 0.53 | kN | |
Attainable speed for grease lubrication | 24000 | r/min | ||
Attainable speed for oil-air lubrication | 38000 | r/min | ||
Contact angle | α | 15 | ° | |
Ball diameter | Dw | 7.938 | mm | |
Number of balls | z | 24 | ||
Reference grease quantity | Gref | 2.6 | cm³ | |
Preload and stiffness (back-to-back, face-to-face) | ||||
Preload class A | GA | 89 | N | |
Static axial stiffness, preload class A | 53 | N/µm | ||
Preload class B | GB | 266 | N | |
Static axial stiffness, preload class B | 84 | N/µm | ||
Preload class C | GC | 532 | N | |
Static axial stiffness, preload class C | 116 | N/µm | ||
Calculation factors | ||||
Calculation factor | f | 1.19 | ||
Calculation factor | f1 | 1 | ||
Calculation factor | f2A | 1 | ||
Calculation factor | f2B | 1.05 | ||
Calculation factor | f2C | 1.09 | ||
Calculation factor | fHC | 1.01 | ||
Calculation factor | f0 | 8.5 |
Mass bearing | 0.17 | kg |
Chúng tôi đảm bảo cung cấp hàng chính hãng SKF đầy đủ CO, CQ