Angular contact ball bearings, super-precision S7207 ACD/P4A
Bearing number : S7207 ACD/P4A
Size (mm) : 35x72x17
Brand : SKF
Bore Diameter (mm) : 35
Outer Diameter (mm) : 72
Width (mm) : 17
Bearing dimensions and specification in SKF catalogue:
d - 35 mm
D - 72 mm
B - 17 mm
d1 - 46.8 mm
d2 - 46.8 mm
D2 - 63.2 mm
r1,2 - min. - 1.1 mm
r3,4 - min. - 0.3 mm
a - 21.1 mm
da - min. - 42 mm
da - max. - 46.2 mm
db - min. - 42 mm
db - max. - 46.2 mm
Da - max. - 65 mm
Db - max. - 69.6 mm
ra - max. - 1 mm
rb - max. - 0.3 mm
Basic dynamic load rating - C - 30.7 kN
Basic static load rating - C0 - 20.8 kN
Fatigue load limit - Pu - 0.88 kN
Limiting speed for grease lubrication - 18000 r/min
Ball - Dw - 11.112 mm
Ball - z - 13
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 - 190 N
Preload class B - GB - 380 N
Preload class C - GC - 760 N
Preload class D - GD - 1520 N
Calculation factor - f - 1.05
Calculation factor - f1 - 0.99
Calculation factor - f2A - 1
Calculation factor - f2B - 1.01
Calculation factor - f2C - 1.02
Calculation factor - f2D - 1.05
Calculation factor - fHC - 1
Preload class A - 119 N/micron
Preload class B - 154 N/micron
Preload class C - 204 N/micron
Preload class D - 275 N/micron
Mass bearing - 0.289 kg
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