Angular contact ball bearings, super-precision 7018 ACE/P4AH1
Bearing number : 7018 ACE/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 - 108.33 mm
d2 - 105.5 mm
D1 - 121.66 mm
K - 0.5 mm
C1 - 8.33 mm
r1,2 - min. - 1.5 mm
r3,4 - min. - 1 mm
a - 39 mm
da - min. - 97 mm
db - min. - 97 mm
Da - max. - 133 mm
Db - max. - 134.4 mm
ra - max. - 1.5 mm
rb - max. - 1 mm
dn - 111 mm
Basic dynamic load rating - C - 33.8 kN
Basic static load rating - C0 - 30 kN
Fatigue load limit - Pu - 1.2 kN
Limiting speed for grease lubrication - 12000 r/min
Limiting speed for oil lubrication - 19000 mm/min
Ball - Dw - 11.112 mm
Ball - z - 28
Gref - 14 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 - 300 N
Preload class B - GB - 920 N
Preload class C - GC - 1840 N
Calculation factor - f - 1.1
Calculation factor - f1 - 0.99
Calculation factor - f2A - 1
Calculation factor - f2B - 1.03
Calculation factor - f2C - 1.06
Calculation factor - fHC - 1
Preload class A - 196 N/micron
Preload class B - 297 N/micron
Preload class C - 389 N/micron
Mass bearing - 1.203 kg
Industrial seals - All Seals In
the field of rolling bearings, seals, mechatronics, services and lubrication. The services offered by the SKF group include technical support, maintenance services, condition monitoring and training. SKF was founded in 1907 and grew at a rapid rate to become a global company.
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