Angular contact ball bearings, super-precision 7038 ACD/HCP4A
Bearing number : 7038 ACD/HCP4A
Size (mm) : 190x290x46
Brand : SKF
Bore Diameter (mm) : 190
Outer Diameter (mm) : 290
Width (mm) : 46
Bearing dimensions and specification in SKF catalogue:
d - 190 mm
D - 290 mm
B - 46 mm
d1 - 221.8 mm
d2 - 221.8 mm
D1 - 258.2 mm
r1,2 - min. - 2.1 mm
r3,4 - min. - 1.1 mm
a - 79.2 mm
da - min. - 201 mm
db - min. - 201 mm
Da - max. - 279 mm
Db - max. - 284 mm
ra - max. - 2 mm
rb - max. - 1 mm
dn - 229.7 mm
Basic dynamic load rating - C - 234 kN
Basic static load rating - C0 - 290 kN
Fatigue load limit - Pu - 8 kN
Limiting speed for grease lubrication - 5300 r/min
Limiting speed for oil lubrication - 8000 mm/min
Ball - Dw - 30.162 mm
Ball - z - 22
Gref - 114 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 - 1450 N
Preload class B - GB - 2900 N
Preload class C - GC - 5800 N
Preload class D - GD - 11600 N
Calculation factor - f - 1.14
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 - 1.02
Preload class A - 523 N/micron
Preload class B - 681 N/micron
Preload class C - 898 N/micron
Preload class D - 1208 N/micron
Mass bearing - 8.027 kg
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