d | 20 | mm | |
D | 42 | mm | |
B | 12 | mm | |
d1 | 27.1 | mm | |
d2 | 27.1 | mm | |
D1 | 34.8 | mm | |
K | 0.5 | mm | |
C1 | 7.15 | mm | |
r1,2 | min. | 0.6 | mm |
da | min. | 23.2 | mm |
db | min. | 23.2 | mm |
Da | max. | 38.8 | mm |
Db | max. | 40 | mm |
ra | max. | 0.6 | mm |
Basic dynamic load rating | C | 8.71 | kN |
Basic static load rating | C0 | 4.3 | kN |
Fatigue load limit | Pu | 0.18 | kN |
Attainable speed for grease lubrication | 50000 | r/min | |
Attainable speed for oil-air lubrication | 80000 | r/min | |
Ball diameter | Dw | 6.35 | mm |
Number of balls | z | 12 | |
Reference grease quantity | Gref | 0.9 | cm³ |
Preload and stiffness (back-to-back, face-to-face) | 0 | ||
Preload class A | GA | 35 | N |
Static axial stiffness, preload class A | 25 | N/µm | |
Preload class B | GB | 70 | N |
Static axial stiffness, preload class B | 34 | N/µm | |
Preload class C | GC | 140 | N |
Static axial stiffness, preload class C | 46 | N/µm | |
Preload class D | GD | 280 | N |
Static axial stiffness, preload class D | 65 | N/µm | |
Calculation factors | 0 | ||
Calculation factor | f | 1.03 | |
Calculation factor | f1 | 1 | |
Calculation factor | f2A | 1 | |
Calculation factor | f2B | 1.02 | |
Calculation factor | f2C | 1.05 | |
Calculation factor | f2D | 1.09 | |
Calculation factor | fHC | 1.02 | |
Calculation factor | f0 | 9.2 | |
Mass bearing | 0.06 | kg |