d | 320 | mm | |
D | 440 | mm | |
B | 56 | mm | |
d1 | 357 | mm | |
d2 | 357 | mm | |
D1 | 403 | mm | |
r1,2 | min. | 3 | mm |
r3,4 | min. | 1.1 | mm |
a | 79.1 | mm |
da | min. | 333 | mm |
db | min. | 333 | mm |
Da | max. | 425 | mm |
Db | max. | 434 | mm |
ra | max. | 2.5 | mm |
rb | max. | 1 | mm |
dn | 367 | mm |
Basic dynamic load rating | C | 377 | kN | |
Basic static load rating | C0 | 620 | kN | |
Fatigue load limit | Pu | 13.7 | kN | |
Attainable speed for grease lubrication | 3600 | r/min | ||
Attainable speed for oil-air lubrication | 5000 | r/min | ||
Contact angle | α | 15 | ° | |
Ball diameter | Dw | 38.1 | mm | |
Number of balls | z | 27 | ||
Reference grease quantity | Gref | 282 | cm³ | |
Preload and stiffness (back-to-back, face-to-face) | ||||
Preload class A | GA | 1400 | N | |
Static axial stiffness, preload class A | 311 | N/µm | ||
Preload class B | GB | 2800 | N | |
Static axial stiffness, preload class B | 422 | N/µm | ||
Preload class C | GC | 5600 | N | |
Static axial stiffness, preload class C | 589 | N/µm | ||
Preload class D | GD | 11200 | N | |
Static axial stiffness, preload class D | 849 | N/µm | ||
Calculation factors | ||||
Calculation factor | f | 1.24 | ||
Calculation factor | f1 | 1 | ||
Calculation factor | f2A | 1 | ||
Calculation factor | f2B | 1.07 | ||
Calculation factor | f2C | 1.12 | ||
Calculation factor | f2D | 1.18 | ||
Calculation factor | fHC | 1.04 | ||
Calculation factor | f0 | 16.5 |
Mass bearing | 20.5 | kg |
Chúng tôi đảm bảo cung cấp hàng chính hãng SKF đầy đủ CO, CQ