d | 280 | mm | |
D | 380 | mm | |
B | 46 | mm | |
d1 | 311.8 | mm | |
d2 | 311.8 | mm | |
D1 | 348.2 | mm | |
r1,2 | min. | 2.1 | mm |
r3,4 | min. | 1.1 | mm |
a | 67.4 | mm |
da | min. | 291 | mm |
db | min. | 291 | mm |
Da | max. | 369 | mm |
Db | max. | 374 | mm |
ra | max. | 2 | mm |
rb | max. | 1 | mm |
dn | 319.7 | mm |
Basic dynamic load rating | C | 291 | kN | |
Basic static load rating | C0 | 455 | kN | |
Fatigue load limit | Pu | 10.6 | kN | |
Attainable speed for grease lubrication | 4000 | r/min | ||
Attainable speed for oil-air lubrication | 5600 | r/min | ||
Contact angle | α | 15 | ° | |
Ball diameter | Dw | 30.162 | mm | |
Number of balls | z | 31 | ||
Reference grease quantity | Gref | 159 | cm³ | |
Preload and stiffness (back-to-back, face-to-face) | ||||
Preload class A | GA | 1090 | N | |
Static axial stiffness, preload class A | 295 | N/µm | ||
Preload class B | GB | 2180 | N | |
Static axial stiffness, preload class B | 403 | N/µm | ||
Preload class C | GC | 4360 | N | |
Static axial stiffness, preload class C | 565 | N/µm | ||
Preload class D | GD | 8720 | N | |
Static axial stiffness, preload class D | 822 | N/µm | ||
Calculation factors | ||||
Calculation factor | f | 1.27 | ||
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 | 16.7 |
Mass bearing | 11.1 | kg |
Chúng tôi đảm bảo cung cấp hàng chính hãng SKF đầy đủ CO, CQ