Angular contact ball bearings, super-precision S7012 ACD/P4A
Bearing number : S7012 ACD/P4A
Size (mm) : 60x95x18
Brand : SKF
Bore Diameter (mm) : 60
Outer Diameter (mm) : 95
Width (mm) : 18
Bearing dimensions and specification in SKF catalogue:
d - 60 mm
D - 95 mm
B - 18 mm
d1 - 70.8 mm
d2 - 70.8 mm
D2 - 86.74 mm
r1,2 - min. - 1.1 mm
r3,4 - min. - 0.6 mm
a - 27.2 mm
da - min. - 66 mm
da - max. - 70.2 mm
db - min. - 66 mm
db - max. - 70.2 mm
Da - max. - 89 mm
Db - max. - 91.8 mm
ra - max. - 1 mm
rb - max. - 0.6 mm
Basic dynamic load rating - C - 39 kN
Basic static load rating - C0 - 33.5 kN
Fatigue load limit - Pu - 1.4 kN
Limiting speed for grease lubrication - 13000 r/min
Ball - Dw - 11.112 mm
Ball - z - 19
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 - 240 N
Preload class B - GB - 480 N
Preload class C - GC - 960 N
Preload class D - GD - 1920 N
Calculation factor - f - 1.12
Calculation factor - f1 - 0.99
Calculation factor - f2A - 1
Calculation factor - f2B - 1.02
Calculation factor - f2C - 1.05
Calculation factor - f2D - 1.08
Calculation factor - fHC - 1
Preload class A - 168 N/micron
Preload class B - 219 N/micron
Preload class C - 291 N/micron
Preload class D - 393 N/micron
Mass bearing - 0.408 kg
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