d | 40 | mm | |
D | 68 | mm | |
B | 15 | mm | |
d1 | 49.7 | mm | |
d2 | 47.6 | mm | |
D1 | 58.25 | mm | |
K | 0.5 | mm | |
C1 | 5.03 | mm | |
r1,2 | min. | 1 | mm |
r3,4 | min. | 0.6 | mm |
a | 14.8 | mm |
da | min. | 44.6 | mm |
db | min. | 44.6 | mm |
Da | max. | 63.4 | mm |
Db | max. | 63.8 | mm |
ra | max. | 1 | mm |
rb | max. | 0.6 | mm |
dn | 51.6 | mm |
Basic dynamic load rating | C | 12.4 | kN | |
Basic static load rating | C0 | 7.65 | kN | |
Fatigue load limit | Pu | 0.32 | kN | |
Attainable speed for grease lubrication | 36000 | r/min | ||
Attainable speed for oil-air lubrication | 56000 | r/min | ||
Contact angle | α | 15 | ° | |
Ball diameter | Dw | 7.144 | mm | |
Number of balls | z | 19 | ||
Reference grease quantity | Gref | 2.8 | cm³ | |
Preload and stiffness (back-to-back, face-to-face) | ||||
Preload class A | GA | 65 | N | |
Static axial stiffness, preload class A | 38 | N/µm | ||
Preload class B | GB | 200 | N | |
Static axial stiffness, preload class B | 60 | N/µm | ||
Preload class C | GC | 390 | N | |
Static axial stiffness, preload class C | 81 | N/µm | ||
Calculation factors | ||||
Calculation factor | f | 1.06 | ||
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 | 8.1 |
Mass bearing | 0.17 | kg |
Chúng tôi đảm bảo cung cấp hàng chính hãng SKF đầy đủ CO, CQ