Angular contact ball bearings, super-precision S71904 CE/P4A
Bearing number : S71904 CE/P4A
Size (mm) : 20x37x9
Brand : SKF
Bore Diameter (mm) : 20
Outer Diameter (mm) : 37
Width (mm) : 9
Bearing dimensions and specification in SKF catalogue:
d - 20 mm
D - 37 mm
B - 9 mm
d1 - 25.65 mm
d2 - 24.4 mm
D2 - 33.5 mm
r1,2 - min. - 0.3 mm
r3,4 - min. - 0.15 mm
a - 8.5 mm
da - min. - 22 mm
da - max. - 25.3 mm
db - min. - 22 mm
db - max. - 24 mm
Da - max. - 35 mm
Db - max. - 36.2 mm
ra - max. - 0.3 mm
rb - max. - 0.15 mm
Basic dynamic load rating - C - 4.9 kN
Basic static load rating - C0 - 2.4 kN
Fatigue load limit - Pu - 0.102 kN
Limiting speed for grease lubrication - 56000 r/min
Ball - Dw - 4.762 mm
Ball - z - 14
Calculation factor - f0 - 7.8
Preload class A - GA - 26 N
Preload class B - GB - 79 N
Preload class C - GC - 157 N
Calculation factor - f - 1.04
Calculation factor - f1 - 1
Calculation factor - f2A - 1
Calculation factor - f2B - 1.04
Calculation factor - f2C - 1.08
Calculation factor - fHC - 1
Preload class A - 18 N/micron
Preload class B - 28 N/micron
Preload class C - 39 N/micron
Mass bearing - 0.035 kg
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