Angular contact ball bearings, super-precision 7018 CD/P4AH1
Bearing number : 7018 CD/P4AH1
Size (mm) : 90x140x24
Brand : SKF
Bore Diameter (mm) : 90
Outer Diameter (mm) : 140
Width (mm) : 24
Bearing dimensions and specification in SKF catalogue:
d - 90 mm
D - 140 mm
B - 24 mm
d1 - 105.4 mm
d2 - 105.4 mm
D1 - 124.6 mm
K - 0.5 mm
C1 - 6.85 mm
r1,2 - min. - 1.5 mm
r3,4 - min. - 1 mm
a - 27.5 mm
da - min. - 97 mm
db - min. - 97 mm
Da - max. - 133 mm
Db - max. - 136 mm
ra - max. - 1.5 mm
rb - max. - 1 mm
dn - 108.7 mm
Basic dynamic load rating - C - 79.3 kN
Basic static load rating - C0 - 76.5 kN
Fatigue load limit - Pu - 3 kN
Limiting speed for grease lubrication - 9000 r/min
Limiting speed for oil lubrication - 15000 mm/min
Ball - Dw - 15.875 mm
Ball - z - 20
Gref - 15 cm3
Calculation factor - f0 - 15.6
Preload class A - GA - 300 N
Preload class B - GB - 600 N
Preload class C - GC - 1200 N
Preload class D - GD - 2400 N
Calculation factor - f - 1.14
Calculation factor - f1 - 1
Calculation factor - f2A - 1
Calculation factor - f2B - 1.02
Calculation factor - f2C - 1.05
Calculation factor - f2D - 1.09
Calculation factor - fHC - 1
Preload class A - 103 N/micron
Preload class B - 141 N/micron
Preload class C - 198 N/micron
Preload class D - 287 N/micron
Mass bearing - 1.158 kg
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