Bearing 71820 ACD/P4

Bearing 71820 ACD/P4 images Bearing 71820 ACD/P4 images
From: Angular Contact Ball Bearings
Angular Contact Ball Bearings Bearing 71820 ACD/P4 Related parameters
Name Value
Bearing number 71820 ACD/P4
Size (mm) 100x125x13
Brand MBY
Bore Diameter (mm) 100
Outer Diameter (mm) 125
Width (mm) 13
Bearing dimensions and specification
Name Value
d 100 mm
D 125 mm
B 13 mm
d1 108.2 mm
d2 108.2 mm
D1 117 mm
r1,2 min. - 1 mm
r3,4 min. - 0.3 mm
a 32.8 mm
da min. - 104.6 mm
db min. - 104.6 mm
Da max. - 120.4 mm
Db max. - 123 mm
ra max. - 1 mm
rb max. - 0.3 mm
dn 109.1 mm
Basic dynamic load rating C - 21.2 kN
Basic static load rating C0 - 27.5 kN
Fatigue load limit Pu - 1.1 kN
Limiting speed for grease lubrication 8500 r/min
Limiting speed for oil lubrication 13000 mm/min
Ball Dw - 7.144 mm
Ball z - 34
Gref 3.2 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 - 190 N
Preload class B GB - 570 N
Preload class C GC - 1140 N
Calculation factor f - 1.4
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 211 N/micron
Preload class B 335 N/micron
Preload class C 462 N/micron
Mass bearing 0.31 kg

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