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![](http://img4.makepolo.cn/img4/012/289/100017401289_14482630797627.jpg)
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71919 CD/P4A
Dimensions
![](http://www.skf.com/webpim/0901d196803ac1ed/png/1002%200019%20-%2010000%20wp.png)
|
d | | 95 | mm |
D | | 130 | mm |
B | | 18 | mm |
d1 | | 105.8 | mm |
d2 | | 105.8 | mm |
D1 | | 119.2 | mm |
r1,2 | min. | 1.1 | mm |
r3,4 | min. | 0.6 | mm |
a | | 24.1 | mm |
Abutment
dimensions
![](http://www.skf.com/webpim/0901d196803ac2c0/png/1305%200062%20-%201002%200024%20-%2010000%20wp.png)
![](http://www.skf.com/webpim/0901d196803ac1ef/png/1301%200051%20-%2010000%20wp.png)
|
|
da | min. | 101 | mm |
db | min. | 101 | mm |
Da | max. | 124 | mm |
Db | max. | 126 | mm |
ra | max. | 1 | mm |
rb | max. | 0.6 | mm |
dn | | 108.6 | mm |
Calculation
data
Calculation factors
for eqivalent bearing loads
Basic dynamic load rating | C | | 49.4 | kN |
Basic static load rating | C0 | | 55 | kN |
Fatigue load limit | Pu | | 2.2 | kN |
Attainable speed for grease lubrication | | | 9000 | r/min |
Attainable speed for oil-air lubrication | | | 15000 | mm/min |
Ball diameter | Dw | | 11.112 | mm |
Number of balls | z | | 28 | |
Reference grease quantity | Gref | | 7.8 | cm³ |
Calculation factor | f0 | | 16.4 | |
Preload (back-to-back,
face-to-face) |
Preload class A | GA | | 190 | N |
Preload class B | GB | | 380 | N |
Preload class C | GC | | 760 | N |
Preload class D | GD | | 1520 | N |
Calculation factor | f | | 1.26 | |
Calculation factor | f1 | | 1 | |
Calculation factor | f2A | | 1 | |
Calculation factor | f2B | | 1.04 | |
Calculation factor | f2C | | 1.09 | |
Calculation factor | f2D | | 1.15 | |
Calculation factor | fHC | | 1 | |
Static axial
stiffness |
Preload class A | | | 101 | N/µm |
Preload class B | | | 139 | N/µm |
Preload class C | | | 198 | N/µm |
Preload class D | | | 291 | N/µm |
Mass