SKF 71911ACE/P4AL, Size: 55x80x13. SKF 71911ACE/P4AL are used in a wide variety of applications, suitable for high speeds and are robust in operation, and need little maintenance.
Angular contact ball bearings, super-precision 71911 ACE/P4AL
Bearing number : 71911 ACE/P4AL
Size (mm) : 55x80x13
Brand : SKF
Bore Diameter (mm) : 55
Outer Diameter (mm) : 80
Width (mm) : 13
Bearing dimensions and specification in SKF catalogue:
d - 55 mm
D - 80 mm
B - 13 mm
d1 - 62.75 mm
d2 - 60.7 mm
D1 - 72.3 mm
b - 2.2 mm
C1 - 6.5 mm
C2 - 2.5 mm
C3 - 2 mm
r1,2 - min. - 1 mm
r3,4 - min. - 0.3 mm
a - 23.5 mm
da - min. - 59.6 mm
db - min. - 57 mm
Da - max. - 75.4 mm
Db - max. - 78 mm
ra - max. - 1 mm
rb - max. - 0.3 mm
dn - 64.6 mm
Basic dynamic load rating - C - 14.6 kN
Basic static load rating - C0 - 10.2 kN
Fatigue load limit - Pu - 0.43 kN
Limiting speed for grease lubrication - 21000 r/min
Limiting speed for oil lubrication - 32000 mm/min
Ball - Dw - 7.938 mm
Ball - z - 21
Gref - 2.3 cm3
Calculation factor - e - 0.68
Calculation factor - Y2 - 0.87
Calculation factor - Y0 - 0.38
Calculation factor - X2 - 0.41
Calculation factor - Y1 - 0.92
Calculation factor - Y2 - 1.41
Calculation factor - Y0 - 0.76
Calculation factor - X2 - 0.67
Preload class A - GA - 133 N
Preload class B - GB - 400 N
Preload class C - GC - 800 N
Calculation factor - f - 1.16
Calculation factor - f1 - 0.99
Calculation factor - f2A - 1
Calculation factor - f2B - 1.04
Calculation factor - f2C - 1.07
Calculation factor - fHC - 1
Preload class A - 105 N/micron
Preload class B - 160 N/micron
Preload class C - 210 N/micron
Mass bearing - 0.17 kg
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