Angular contact ball bearings, super-precision 71910 ACB/P4A
Bearing number : 71910 ACB/P4A
Size (mm) : 50x72x12
Brand : SKF
Bore Diameter (mm) : 50
Outer Diameter (mm) : 72
Width (mm) : 12
Bearing dimensions and specification in SKF catalogue:
d - 50 mm
D - 72 mm
B - 12 mm
d1 - 57.95 mm
d2 - 56.9 mm
D2 - 66.04 mm
r1,2 - min. - 0.6 mm
r3,4 - min. - 0.3 mm
a - 23.2 mm
da - min. - 53.2 mm
db - min. - 53.2 mm
Da - max. - 68.8 mm
Db - max. - 70 mm
ra - max. - 0.6 mm
rb - max. - 0.3 mm
dn - 58.7 mm
Basic dynamic load rating - C - 7.3 kN
Basic static load rating - C0 - 5.8 kN
Fatigue load limit - Pu - 0.25 kN
Limiting speed for grease lubrication - 22000 r/min
Limiting speed for oil lubrication - 36000 mm/min
Ball - Dw - 4.762 mm
Ball - z - 29
Gref - 1.89 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 - 43 N
Preload class B - GB - 86 N
Preload class C - GC - 260 N
Calculation factor - f - 1.09
Calculation factor - f1 - 0.99
Calculation factor - f2A - 1
Calculation factor - f2B - 1.02
Calculation factor - f2C - 1.07
Calculation factor - fHC - 1
Preload class A - 79 N/micron
Preload class B - 102 N/micron
Preload class C - 155 N/micron
Mass bearing - 0.134 kg
71910ACB/P4A bearing SKF 71910ACB/P4A - Fast Deliveryâ
SKF 71910ACB/P4A bearing. SKF 71910ACB/P4A, Size: SKF 71910ACB/P4A bearing, Size: 50x72x12. SKF 71910ACB/P4A are used in a wide variety of applications, they are simple in design, suitable for high speeds and are robust in operation, and need little maintenance.
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