d | 50 | mm | |
D | 80 | mm | |
B | 16 | mm | |
d1 | 59.2 | mm | |
d2 | 59.2 | mm | |
D1 | 70.8 | mm | |
b | 2 | mm | |
C1 | 8.6 | mm | |
C2 | 3.6 | mm | |
C3 | 2.8 | mm | |
r1,2 | min. | 1 | mm |
r3,4 | min. | 0.3 | mm |
a | 16.8 | mm |
da | min. | 54.6 | mm |
db | min. | 54.6 | mm |
Da | max. | 75.4 | mm |
Db | max. | 78 | mm |
ra | max. | 1 | mm |
rb | max. | 0.3 | mm |
dn | 61.2 | mm |
Basic dynamic load rating | C | 29.6 | kN | |
Basic static load rating | C0 | 24 | kN | |
Fatigue load limit | Pu | 1.02 | kN | |
Attainable speed for grease lubrication | 20000 | r/min | ||
Attainable speed for oil-air lubrication | 32000 | r/min | ||
Contact angle | α | 15 | ° | |
Ball diameter | Dw | 9.525 | mm | |
Number of balls | z | 18 | ||
Reference grease quantity | Gref | 3.6 | cm³ | |
Preload and stiffness (back-to-back, face-to-face) | ||||
Preload class A | GA | 110 | N | |
Static axial stiffness, preload class A | 64 | N/µm | ||
Preload class B | GB | 220 | N | |
Static axial stiffness, preload class B | 88 | N/µm | ||
Preload class C | GC | 440 | N | |
Static axial stiffness, preload class C | 124 | N/µm | ||
Preload class D | GD | 880 | N | |
Static axial stiffness, preload class D | 179 | N/µm | ||
Calculation factors | ||||
Calculation factor | f | 1.11 | ||
Calculation factor | f1 | 1 | ||
Calculation factor | f2A | 1 | ||
Calculation factor | f2B | 1.02 | ||
Calculation factor | f2C | 1.05 | ||
Calculation factor | f2D | 1.09 | ||
Calculation factor | fHC | 1.02 | ||
Calculation factor | f0 | 15.4 |
Mass bearing | 0.22 | kg |
Chúng tôi đảm bảo cung cấp hàng chính hãng SKF đầy đủ CO, CQ