Angular contact ball bearings, super-precision 71812 CD/HCP4
Bearing number : 71812 CD/HCP4
Size (mm) : 60x78x10
Brand : SKF
Bore Diameter (mm) : 60
Outer Diameter (mm) : 78
Width (mm) : 10
Bearing dimensions and specification in SKF catalogue:
d - 60 mm
D - 78 mm
B - 10 mm
d1 - 65.7 mm
d2 - 65.7 mm
D1 - 72.5 mm
r1,2 - min. - 0.3 mm
r3,4 - min. - 0.15 mm
a - 14.3 mm
da - min. - 62 mm
db - min. - 62 mm
Da - max. - 76 mm
Db - max. - 77.2 mm
ra - max. - 0.3 mm
rb - max. - 0.15 mm
dn - 66.4 mm
Basic dynamic load rating - C - 13.5 kN
Basic static load rating - C0 - 14.3 kN
Fatigue load limit - Pu - 0.6 kN
Limiting speed for grease lubrication - 19000 r/min
Limiting speed for oil lubrication - 30000 mm/min
Ball - Dw - 5.556 mm
Ball - z - 28
Gref - 1.2 cm3
Calculation factor - f0 - 17
Preload class A - GA - 70 N
Preload class B - GB - 210 N
Preload class C - GC - 420 N
Calculation factor - f - 1.3
Calculation factor - f1 - 1
Calculation factor - f2A - 1
Calculation factor - f2B - 1.1
Calculation factor - f2C - 1.18
Calculation factor - fHC - 1.02
Preload class A - 66 N/micron
Preload class B - 114 N/micron
Preload class C - 169 N/micron
Mass bearing - 0.088 kg
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