d | 30 | mm | |
D | 47 | mm | |
B | 9 | mm | |
d1 | 35.6 | mm | |
d2 | 35.6 | mm | |
D1 | 41.4 | mm | |
r1,2 | min. | 0.3 | mm |
r3,4 | min. | 0.2 | mm |
a | 13.6 | mm |
da | min. | 32 | mm |
db | min. | 32 | mm |
Da | max. | 45 | mm |
Db | max. | 45.6 | mm |
ra | max. | 0.3 | mm |
rb | max. | 0.2 | mm |
Basic dynamic load rating | C | 6.76 | kN | |
Basic static load rating | C0 | 4.3 | kN | |
Fatigue load limit | Pu | 0.183 | kN | |
Attainable speed for grease lubrication | 32000 | r/min | ||
Contact angle | α | 25 | ° | |
Ball diameter | Dw | 4.762 | mm | |
Number of balls | z | 20 | ||
Reference grease quantity | Gref | 0.63 | cm³ | |
Preload and stiffness (back-to-back, face-to-face) | ||||
Preload class A | GA | 40 | N | |
Static axial stiffness, preload class A | 72 | N/µm | ||
Calculation factors | ||||
Calculation factor | f | 1.08 | ||
Calculation factor | f1 | 0.98 | ||
Calculation factor | f2A | 1 | ||
Calculation factor | fHC | 1.04 | ||
Calculation factor | e | 0.68 | ||
Calculation factor (single, tandem) | Y2 | 0.87 | ||
Calculation factor (back-to-back, face-to-face) | Y1 | 0.92 | ||
Calculation factor (back-to-back, face-to-face) | Y2 | 1.41 |
Mass bearing | 0.045 | kg |
Chúng tôi đảm bảo cung cấp hàng chính hãng SKF đầy đủ CO, CQ