d | 120 | mm | |
D | 180 | mm | |
B | 28 | mm | |
d1 | 141.42 | mm | |
d2 | 137.8 | mm | |
D1 | 158.61 | mm | |
r1,2 | min. | 2 | mm |
r3,4 | min. | 1 | mm |
a | 34.3 | mm |
da | min. | 128.8 | mm |
db | min. | 128.8 | mm |
Da | max. | 171.2 | mm |
Db | max. | 174.4 | mm |
ra | max. | 2 | mm |
rb | max. | 1 | mm |
dn | 144.9 | mm |
Basic dynamic load rating | C | 57.2 | kN | |
Basic static load rating | C0 | 55 | kN | |
Fatigue load limit | Pu | 1.9 | kN | |
Attainable speed for grease lubrication | 11200 | r/min | ||
Attainable speed for oil-air lubrication | 17500 | r/min | ||
Contact angle | α | 15 | ° | |
Ball diameter | Dw | 14.288 | mm | |
Number of balls | z | 29 | ||
Reference grease quantity | Gref | 28 | cm³ | |
Preload and stiffness (back-to-back, face-to-face) | ||||
Preload class A | GA | 310 | N | |
Static axial stiffness, preload class A | 115 | N/µm | ||
Preload class B | GB | 930 | N | |
Static axial stiffness, preload class B | 182 | N/µm | ||
Preload class C | GC | 1850 | N | |
Static axial stiffness, preload class C | 250 | N/µm | ||
Calculation factors | ||||
Calculation factor | f | 1.12 | ||
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 | 9.6 |
Mass bearing | 1.96 | kg |
Chúng tôi đảm bảo cung cấp hàng chính hãng SKF đầy đủ CO, CQ