Bearing 7228 BM

Bearing 7228 BM images Bearing 7228 BM images
From: Angular Contact Ball Bearings
Angular Contact Ball Bearings Bearing 7228 BM Related parameters
Name Value
Bearing number 7228 BM
Size (mm) 140x250x42
Brand MBY
Bore Diameter (mm) 140
Outer Diameter (mm) 250
Width (mm) 42
Bearing dimensions and specification
Name Value
d 140 mm
D 250 mm
B 42 mm
d1 - 183.3 mm
d2 - 163.6 mm
D1 - 209.55 mm
a 103 mm
r1,2 min. - 3 mm
r3,4 min. - 1.1 mm
da min. - 154 mm
Da max. - 236 mm
Db max. - 243 mm
ra max. - 2.5 mm
rb max. - 1 mm
Basic dynamic load rating C - 199 kN
Basic static load rating C0 - 212 kN
Fatigue load limit Pu - 6.4 kN
Reference speed 3000 r/min
Limiting speed 3000 r/min
Calculation factor kr - 0.08
Calculation factor ka - 1.2
Calculation factor e - 1.14
Calculation factor X - 0.57
Calculation factor Y0 - 0.52
Calculation factor Y1 - 0.55
Calculation factor Y2 - 0.93
Calculation factor X - 0.35
Calculation factor Y0 - 0.26
Calculation factor Y1 -
Calculation factor Y2 - 0.57
Mass bearing 8.85 kg

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