Angular contact ball bearings, super-precision 7020 ACE/P4AL1
Bearing number : 7020 ACE/P4AL1
Size (mm) : 100x150x24
Brand : SKF
Bore Diameter (mm) : 100
Outer Diameter (mm) : 150
Width (mm) : 24
Bearing dimensions and specification in SKF catalogue:
d - 100 mm
D - 150 mm
B - 24 mm
d1 - 117.38 mm
d2 - 114.2 mm
D1 - 132.61 mm
b - 1.8 mm
C1 - 7.1 mm
C2 - 4 mm
C3 - 4 mm
r1,2 - min. - 1.5 mm
r3,4 - min. - 1 mm
a - 41.4 mm
da - min. - 107 mm
db - min. - 107 mm
Da - max. - 143 mm
Db - max. - 144.4 mm
ra - max. - 1.5 mm
rb - max. - 1 mm
dn - 120.4 mm
Basic dynamic load rating - C - 42.3 kN
Basic static load rating - C0 - 38 kN
Fatigue load limit - Pu - 1.4 kN
Limiting speed for grease lubrication - 11200 r/min
Limiting speed for oil lubrication - 17500 mm/min
Ball - Dw - 12.7 mm
Ball - z - 27
Gref - 17 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 - 390 N
Preload class B - GB - 1150 N
Preload class C - GC - 2310 N
Calculation factor - f - 1.12
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 - 220 N/micron
Preload class B - 330 N/micron
Preload class C - 435 N/micron
Mass bearing - 1.259 kg
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