Angular contact ball bearings, super-precision 71828 ACD/HCP4
Bearing number : 71828 ACD/HCP4
Size (mm) : 140x175x18
Brand : SKF
Bore Diameter (mm) : 140
Outer Diameter (mm) : 175
Width (mm) : 18
Bearing dimensions and specification in SKF catalogue:
d - 140 mm
D - 175 mm
B - 18 mm
d1 - 151.3 mm
d2 - 151.3 mm
D1 - 163.71 mm
r1,2 - min. - 1.1 mm
r3,4 - min. - 0.6 mm
a - 45.8 mm
da - min. - 146 mm
db - min. - 146 mm
Da - max. - 169 mm
Db - max. - 171.8 mm
ra - max. - 1 mm
rb - max. - 0.6 mm
dn - 153.2 mm
Basic dynamic load rating - C - 42.3 kN
Basic static load rating - C0 - 58.5 kN
Fatigue load limit - Pu - 2 kN
Limiting speed for grease lubrication - 7000 r/min
Limiting speed for oil lubrication - 11000 mm/min
Ball - Dw - 10.319 mm
Ball - z - 35
Gref - 9.9 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 - 380 N
Preload class B - GB - 1140 N
Preload class C - GC - 2280 N
Calculation factor - f - 1.43
Calculation factor - f1 - 0.97
Calculation factor - f2A - 1
Calculation factor - f2B - 1.09
Calculation factor - f2C - 1.17
Calculation factor - fHC - 1.02
Preload class A - 340 N/micron
Preload class B - 543 N/micron
Preload class C - 749 N/micron
Mass bearing - 0.705 kg
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SKF Bearings. About. SKF is a leading global company with over 100 years of demonstrated experience in antifriction equipment. With over 45,000 employees in 18 technical centers and 140 sites in 32 countries, the Swedish-based company manages to manufacture and sell through SKF bearing distributors outstanding products while committing to the well-being of their employees, community and ...
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SKF Distributor College. Catalogs. SKF Catalog. Bearings and Mounted Products. Ball bearing. Ball Transfer Unit. Bearing accessories. Bearing housing and housing accessories. Combined bearing. Unit Ball bearing. Plain bearing. Roller bearing. Rolling bearing component. Slewing bearing. Track roller. Maintenance & Reliability.
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