Angular contact ball bearings, super-precision 71830 CD/P4
Bearing number : 71830 CD/P4
Size (mm) : 150x190x20
Brand : SKF
Bore Diameter (mm) : 150
Outer Diameter (mm) : 190
Width (mm) : 20
Bearing dimensions and specification in SKF catalogue:
d - 150 mm
D - 190 mm
B - 20 mm
d1 - 163.35 mm
d2 - 163.35 mm
D1 - 176.7 mm
r1,2 - min. - 1.1 mm
r3,4 - min. - 0.6 mm
a - 32.8 mm
da - min. - 156 mm
db - min. - 156 mm
Da - max. - 184 mm
Db - max. - 186.8 mm
ra - max. - 1 mm
rb - max. - 0.6 mm
dn - 165.6 mm
Basic dynamic load rating - C - 52 kN
Basic static load rating - C0 - 72 kN
Fatigue load limit - Pu - 2.4 kN
Limiting speed for grease lubrication - 6000 r/min
Limiting speed for oil lubrication - 9000 mm/min
Ball - Dw - 11.112 mm
Ball - z - 35
Gref - 13 cm3
Calculation factor - f0 - 17.3
Preload class A - GA - 270 N
Preload class B - GB - 820 N
Preload class C - GC - 1630 N
Calculation factor - f - 1.37
Calculation factor - f1 - 1
Calculation factor - f2A - 1
Calculation factor - f2B - 1.09
Calculation factor - f2C - 1.16
Calculation factor - fHC - 1
Preload class A - 136 N/micron
Preload class B - 236 N/micron
Preload class C - 346 N/micron
Mass bearing - 1.1 kg
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