d | 50 | mm | |
D | 80 | mm | |
B | 16 | mm | |
d1 | 60.25 | mm | |
d2 | 57.9 | mm | |
D1 | 69.75 | mm | |
b | 1.7 | mm | |
C1 | 8.6 | mm | |
C2 | 2.7 | mm | |
C3 | 3 | mm | |
r1,2 | min. | 1 | mm |
da | min. | 54.6 | mm |
db | min. | 54.6 | mm |
Da | max. | 75.4 | mm |
Db | max. | 75.8 | mm |
ra | max. | 1 | mm |
Basic dynamic load rating | C | 15.6 | kN |
Basic static load rating | C0 | 10.6 | kN |
Fatigue load limit | Pu | 0.45 | kN |
Attainable speed for grease lubrication | 25000 | r/min | |
Attainable speed for oil-air lubrication | 38000 | r/min | |
Ball diameter | Dw | 7.938 | mm |
Number of balls | z | 21 | |
Reference grease quantity | Gref | 4.1 | cm³ |
Preload and stiffness (back-to-back, face-to-face) | 0 | ||
Preload class A | GA | 85 | N |
Static axial stiffness, preload class A | 42 | N/µm | |
Preload class B | GB | 250 | N |
Static axial stiffness, preload class B | 65 | N/µm | |
Preload class C | GC | 500 | N |
Static axial stiffness, preload class C | 88 | N/µm | |
Calculation factors | 0 | ||
Calculation factor | f | 1.08 | |
Calculation factor | f1 | 1 | |
Calculation factor | f2A | 1 | |
Calculation factor | f2B | 1.03 | |
Calculation factor | f2C | 1.05 | |
Calculation factor | fHC | 1 | |
Calculation factor | f0 | 8.2 | |
Mass bearing | 0.25 | kg |