d | 75 | mm | |
D | 115 | mm | |
B | 20 | mm | |
d1 | 90 | mm | |
d2 | 88.2 | mm | |
D2 | 102.8 | mm | |
b | 1.5 | mm | |
C1 | 10.9 | mm | |
C2 | 4.4 | mm | |
C3 | 2.9 | mm | |
r1,2 | min. | 1.1 | mm |
r3,4 | min. | 0.6 | mm |
a | 22.3 | mm |
da | min. | 81 | mm |
db | min. | 81 | mm |
Da | max. | 109 | mm |
Db | max. | 111.8 | mm |
ra | max. | 1 | mm |
rb | max. | 0.6 | mm |
dn | 91.1 | mm |
Basic dynamic load rating | C | 26.5 | kN | |
Basic static load rating | C0 | 29 | kN | |
Fatigue load limit | Pu | 0.75 | kN | |
Attainable speed for grease lubrication | 16000 | r/min | ||
Attainable speed for oil-air lubrication | 24000 | r/min | ||
Contact angle | α | 15 | ° | |
Ball diameter | Dw | 7.938 | mm | |
Number of balls | z | 30 | ||
Reference grease quantity | Gref | 7.7 | cm³ | |
Preload and stiffness (back-to-back, face-to-face) | ||||
Preload class A | GA | 65 | N | |
Static axial stiffness, preload class A | 50 | N/µm | ||
Preload class B | GB | 130 | N | |
Static axial stiffness, preload class B | 65 | N/µm | ||
Preload class C | GC | 390 | N | |
Static axial stiffness, preload class C | 104 | N/µm | ||
Calculation factors | ||||
Calculation factor | f | 1.08 | ||
Calculation factor | f1 | 1 | ||
Calculation factor | f2A | 1 | ||
Calculation factor | f2B | 1.02 | ||
Calculation factor | f2C | 1.05 | ||
Calculation factor | fHC | 1 | ||
Calculation factor | f0 | 9.7 |
Mass bearing | 0.7 | kg |
Chúng tôi đảm bảo cung cấp hàng chính hãng SKF đầy đủ CO, CQ