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Bearing S7212 CD/P4A (SKF)
Angular contact ball bearings, super-precision S7212 CD/P4A
Bearing number : S7212 CD/P4A
Size (mm) : 60x110x22
Brand : SKF
Bore Diameter (mm) : 60
Outer Diameter (mm) : 110
Width (mm) : 22
Bearing dimensions and specification in SKF catalogue:
d - 60 mm
D - 110 mm
B - 22 mm
d1 - 76.4 mm
d2 - 76.4 mm
D2 - 96.8 mm
r1,2 - min. - 1.5 mm
r3,4 - min. - 0.6 mm
a - 22.5 mm
da - min. - 69 mm
da - max. - 75.6 mm
db - min. - 69 mm
db - max. - 75.6 mm
Da - max. - 101 mm
Db - max. - 105.8 mm
ra - max. - 1.5 mm
rb - max. - 0.6 mm
Basic dynamic load rating - C - 57.2 kN
Basic static load rating - C0 - 46.5 kN
Fatigue load limit - Pu - 2 kN
Limiting speed for grease lubrication - 13000 r/min
Ball - Dw - 14.288 mm
Ball - z - 16
Calculation factor - f0 - 14.9
Preload class A - GA - 215 N
Preload class B - GB - 430 N
Preload class C - GC - 860 N
Preload class D - GD - 1720 N
Calculation factor - f - 1.07
Calculation factor - f1 - 1
Calculation factor - f2A - 1
Calculation factor - f2B - 1.01
Calculation factor - f2C - 1.03
Calculation factor - f2D - 1.05
Calculation factor - fHC - 1
Preload class A - 75 N/micron
Preload class B - 102 N/micron
Preload class C - 142 N/micron
Preload class D - 205 N/micron
Mass bearing - 0.823 kg
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