Also known as : 31308,30318-A
-
Inside Diameter: 40 mm
-
Outside Diameter: 90 mm
-
Width: 25.25 mm
-
Basic dynamic load rating: 91.1 kN
-
Basic static load rating: 81.5 kN
SKF 31308 Bearing details
|
model |
31308 |
|
Dimension series |
7FB |
|
d |
40 mm |
|
D |
90 mm |
|
T |
25.25 mm |
|
d1 ≈ |
67.15 mm |
|
B |
23 mm |
|
C |
17 mm |
|
r1,2 min. |
2 mm |
|
r3,4 min. |
1.5 mm |
|
a |
28.252 mm |
|
da max. |
51 mm |
|
db min. |
50 mm |
|
Da min. |
71 mm |
|
Da max. |
82.5 mm |
|
Db min. |
86 mm |
|
Ca min. |
3 mm |
|
Cb min. |
8 mm |
|
ra max. |
2 mm |
|
rb max. |
1.5 mm |
|
Calculation data |
|
C |
91.1 kN, Basic dynamic load rating |
|
C0 |
81.5 kN, Basic static load rating |
|
Pu |
9.5 kN, Fatigue load limit |
|
Reference speed |
5600 r/min |
|
Limiting speed |
7500 r/min |
|
e |
0.83, Calculation factor |
|
Y |
0.72, Calculation factor |
|
Y0 |
0.4, Calculation factor |
|
Mass |
0.72 kg |
