d | 50 | mm | |
D | 72 | mm | |
B | 12 | mm | |
d1 | 57.95 | mm | |
d2 | 56.9 | mm | |
D2 | 66.04 | mm | |
b | 2 | mm | |
C1 | 5.9 | mm | |
C2 | 2.8 | mm | |
C3 | 1.7 | mm | |
r1,2 | min. | 0.6 | mm |
r3,4 | min. | 0.3 | mm |
a | 16.7 | mm |
da | min. | 53.2 | mm |
db | min. | 53.2 | mm |
Da | max. | 68.8 | mm |
Db | max. | 70 | mm |
ra | max. | 0.6 | mm |
rb | max. | 0.3 | mm |
dn | 58.7 | mm |
Basic dynamic load rating | C | 10.4 | kN | |
Basic static load rating | C0 | 10.2 | kN | |
Fatigue load limit | Pu | 0.265 | kN | |
Attainable speed for grease lubrication | 30000 | r/min | ||
Attainable speed for oil-air lubrication | 45000 | r/min | ||
Contact angle | α | 15 | ° | |
Ball diameter | Dw | 4.762 | mm | |
Number of balls | z | 29 | ||
Reference grease quantity | Gref | 1.89 | cm³ | |
Preload and stiffness (back-to-back, face-to-face) | ||||
Preload class A | GA | 26 | N | |
Static axial stiffness, preload class A | 34 | N/µm | ||
Preload class B | GB | 52 | N | |
Static axial stiffness, preload class B | 45 | N/µm | ||
Preload class C | GC | 155 | N | |
Static axial stiffness, preload class C | 72 | N/µm | ||
Calculation factors | ||||
Calculation factor | f | 1.09 | ||
Calculation factor | f1 | 1 | ||
Calculation factor | f2A | 1 | ||
Calculation factor | f2B | 1.03 | ||
Calculation factor | f2C | 1.08 | ||
Calculation factor | fHC | 1.01 | ||
Calculation factor | f0 | 9.8 |
Mass bearing | 0.13 | kg |
Chúng tôi đảm bảo cung cấp hàng chính hãng SKF đầy đủ CO, CQ