Angular contact ball bearings, super-precision 71813 ACD/P4
Bearing number : 71813 ACD/P4
Size (mm) : 65x85x10
Brand : SKF
Bore Diameter (mm) : 65
Outer Diameter (mm) : 85
Width (mm) : 10
Bearing dimensions and specification in SKF catalogue:
d - 65 mm
D - 85 mm
B - 10 mm
d1 - 71.7 mm
d2 - 71.7 mm
D1 - 78.5 mm
r1,2 - min. - 0.6 mm
r3,4 - min. - 0.3 mm
a - 22.5 mm
da - min. - 68.2 mm
db - min. - 68.2 mm
Da - max. - 81.8 mm
Db - max. - 83 mm
ra - max. - 0.6 mm
rb - max. - 0.3 mm
dn - 72.4 mm
Basic dynamic load rating - C - 12.7 kN
Basic static load rating - C0 - 14 kN
Fatigue load limit - Pu - 0.585 kN
Limiting speed for grease lubrication - 13000 r/min
Limiting speed for oil lubrication - 20000 mm/min
Ball - Dw - 5.556 mm
Ball - z - 29
Gref - 1.3 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 - 115 N
Preload class B - GB - 345 N
Preload class C - GC - 690 N
Calculation factor - f - 1.28
Calculation factor - f1 - 0.97
Calculation factor - f2A - 1
Calculation factor - f2B - 1.08
Calculation factor - f2C - 1.15
Calculation factor - fHC - 1
Preload class A - 144 N/micron
Preload class B - 227 N/micron
Preload class C - 312 N/micron
Mass bearing - 0.126 kg
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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.