Bearing 7028 CD/P4A

Bearing 7028 CD/P4A images Bearing 7028 CD/P4A images
From: Angular Contact Ball Bearings
Angular Contact Ball Bearings Bearing 7028 CD/P4A Related parameters
Name Value
Bearing number 7028 CD/P4A
Size (mm) 140x210x33
Brand MBY
Bore Diameter (mm) 140
Outer Diameter (mm) 210
Width (mm) 33
Bearing dimensions and specification
Name Value
d 140 mm
D 210 mm
B 33 mm
d1 161.6 mm
d2 161.6 mm
D1 188.4 mm
r1,2 min. - 2 mm
r3,4 min. - 1 mm
a 40.1 mm
da min. - 149 mm
db min. - 149 mm
Da max. - 201 mm
Db max. - 205 mm
ra max. - 2 mm
rb max. - 1 mm
dn 166.3 mm
Basic dynamic load rating C - 153 kN
Basic static load rating C0 - 166 kN
Fatigue load limit Pu - 5.3 kN
Limiting speed for grease lubrication 6700 r/min
Limiting speed for oil lubrication 10000 mm/min
Ball Dw - 22.225 mm
Ball z - 22
Gref 45 cm3
Calculation factor f0 - 15.8
Preload class A GA - 570 N
Preload class B GB - 1140 N
Preload class C GC - 2280 N
Preload class D GD - 4560 N
Calculation factor f - 1.16
Calculation factor f1 - 1
Calculation factor f2A - 1
Calculation factor f2B - 1.02
Calculation factor f2C - 1.05
Calculation factor f2D - 1.09
Calculation factor fHC - 1
Preload class A 151 N/micron
Preload class B 206 N/micron
Preload class C 289 N/micron
Preload class D 418 N/micron
Mass bearing 3.421 kg

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