d | 240 | mm | |
D | 320 | mm | |
B | 38 | mm | |
d1 | 264.7 | mm | |
d2 | 264.7 | mm | |
D1 | 295.3 | mm | |
r1,2 | min. | 2.1 | mm |
r3,4 | min. | 1 | mm |
a | 56.6 | mm |
da | min. | 251 | mm |
db | min. | 251 | mm |
Da | max. | 309 | mm |
Db | max. | 315 | mm |
ra | max. | 2 | mm |
rb | max. | 1 | mm |
dn | 271.4 | mm |
Basic dynamic load rating | C | 229 | kN | |
Basic static load rating | C0 | 325 | kN | |
Fatigue load limit | Pu | 8.15 | kN | |
Attainable speed for grease lubrication | 4800 | r/min | ||
Attainable speed for oil-air lubrication | 6700 | r/min | ||
Contact angle | α | 15 | ° | |
Ball diameter | Dw | 25.4 | mm | |
Number of balls | z | 31 | ||
Reference grease quantity | Gref | 93 | cm³ | |
Preload and stiffness (back-to-back, face-to-face) | ||||
Preload class A | GA | 860 | N | |
Static axial stiffness, preload class A | 263 | N/µm | ||
Preload class B | GB | 1720 | N | |
Static axial stiffness, preload class B | 361 | N/µm | ||
Preload class C | GC | 3440 | N | |
Static axial stiffness, preload class C | 512 | N/µm | ||
Preload class D | GD | 6880 | N | |
Static axial stiffness, preload class D | 752 | N/µm | ||
Calculation factors | ||||
Calculation factor | f | 1.32 | ||
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 | 5.98 | kg |
Chúng tôi đảm bảo cung cấp hàng chính hãng SKF đầy đủ CO, CQ